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iso4217:USD pure 0000820892 false 485BPOS 2025-12-31 2026-04-30 NUVEEN INVESTMENT FUNDS INC 0.1769 0.0761 0.1938 -0.0788 0.2927 -0.0276 0.1444 -0.0628 0.0851 0.1074 0.0960 0.1207 -0.0638 0.2239 -0.0371 0.1160 -0.1200 0.0813 0.0683 0.1123 0.0658 0.0232 0.0534 -0.0578 0.2524 -0.0637 0.4098 -0.2487 0.1122 0.0578 1995-09-29 1995-09-29 1995-06-30 1995-09-29 N-1A Nuveen Global Infrastructure Fund Investment Objective <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The investment objective of the Fund is long-term growth of capital and income.</div> Fees and Expenses of the Fund <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">The following tables describe the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;"> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. More information about these and other discounts, as well as eligibility requirements for each share class, is available from your financial advisor and in “How You Can Buy and Sell Shares” on page 56 of the Fund’s prospectus and “Purchase and Redemption of Fund Shares” on page S-75 of the Fund’s statement of additional information. In addition, more information about sales charge discounts and waivers for purchases of shares through specific financial intermediaries is set forth in the appendix to the Fund’s prospectus entitled “Variations in Sales Charge Reductions and Waivers Available Through Certain Intermediaries.”</span></div> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. 50000 Shareholder Fees (fees paid directly from your investment) 0.0575 0 0 0 0 0.0100 0 0 0 0 0 0 0 0 0 0 15 15 0 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0089 0.0089 0.0089 0.0089 0.0025 0.0100 0.0000 0.0000 0.0019 0.0019 0.0011 0.0019 0.0133 0.0208 0.0100 0.0108 -0.0012 -0.0012 -0.0012 -0.0012 0.0121 0.0196 0.0088 0.0096 The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. July 31, 2028 Example <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem or do not redeem your shares at the end of a period. The example also assumes that your investment has a 5% return each year, that the Fund’s operating expenses remain the same and that the fee waivers currently in place are not renewed beyond July 31, 2028. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 691 691 199 199 90 90 98 98 946 946 625 625 291 291 316 316 1237 1237 1093 1093 525 525 568 568 2061 2061 2388 2388 1199 1199 1292 1292 Portfolio Turnover <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 95% of the average value of its portfolio.</div> 0.95 Principal Investment Strategies <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">Under normal market conditions, the Fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in equity securities issued by U.S. and non-U.S. infrastructure-related companies. Infrastructure-related companies include companies involved in the ownership, development, construction, renovation, financing or operation of infrastructure assets, or that provide the services and raw materials necessary for the construction and maintenance of infrastructure assets. Infrastructure assets are the physical structures and networks upon which the operation, growth and development of a community depends, which include water, sewer, and energy utilities; transportation and communication networks; health care facilities, government accommodations, and other public service facilities; and shipping, timber, steel, alternative energy, and other resources and services necessary for the construction and maintenance of these physical structures and networks.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Equity securities in which the Fund invests include common and preferred securities, publicly-traded units of master limited partnerships (“</span><span style="font-size: 10.0pt; font-family: arial; font-style: italic; color: #000000; font-weight: normal; text-decoration: none;">MLPs</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">”), and real estate investment trusts (“</span><span style="font-size: 10.0pt; font-family: arial; font-style: italic; color: #000000; font-weight: normal; text-decoration: none;">REITs</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">”). The Fund may also invest in exchange-traded funds (“</span><span style="font-size: 10.0pt; font-family: arial; font-style: italic; color: #000000; font-weight: normal; text-decoration: none;">ETFs</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">”) and other investment companies (“</span><span style="font-size: 10.0pt; font-family: arial; font-style: italic; color: #000000; font-weight: normal; text-decoration: none;">investment companies</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">”). The Fund may invest in companies of any size, including small- and mid-capitalization companies.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">In selecting securities, the Fund’s sub-adviser invests in companies that it believes meet one or more of the following criteria:</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Attractively valued relative to other companies in the same industry or market. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Strong fundamentals, including consistent cash flows or growth and a sound balance sheet. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Strong management teams. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Long-term contracts to provide infrastructure-based services. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">An identifiable catalyst that could increase the value of the company’s securities over the next one or two years. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The Fund’s sub-adviser generally will sell a security if any of the following has occurred:</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">The security has hit its price target and the company is no longer attractively valued relative to other companies. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">The company’s fundamentals have significantly deteriorated. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">There has been a significant change in the company’s management team. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">A catalyst that could decrease the value of the security has been identified, or a previously existing positive catalyst has disappeared. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; text-indent: -18.0pt; font-weight: normal; margin-left: 36.0pt; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: symbol; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">·</span><span style="word-spacing: 10.0pt;"> </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">A better alternative exists in the marketplace. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The Fund’s investments include infrastructure-related securities of non-U.S. issuers. Under normal market conditions, the Fund will invest at least 40% of its net assets in securities of non-U.S. issuers and, in any case, will invest at least 30% of its net assets in such issuers.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The Fund diversifies its investments among a number of different countries throughout the world. Up to 25% of the Fund’s total assets may be invested in equity securities of emerging market issuers.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The Fund may utilize derivatives, including options, futures contracts, options on futures contracts, and forward foreign currency exchange contracts. The Fund may use these derivatives to manage market or business risk, enhance the Fund’s return, or hedge against adverse movements in currency exchange rates.</div> Under normal market conditions, the Fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in equity securities issued by U.S. and non-U.S. infrastructure-related companies. The value of your investment in this Fund will change daily. You could lose money by investing in the Fund. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation orany other government agency. <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Active Management Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—The Fund’s sub-adviser actively manages the Fund’s investments. Consequently, the Fund is subject to the risk that the investment techniques and risk analyses employed by the Fund’s sub-adviser, including its use of proprietary and third-party technology systems, models, algorithms and data management software, may not produce the desired results. This could cause the Fund to lose value or its investment results to lag relevant benchmarks or other funds with similar objectives.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Currency Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Changes in currency exchange rates will affect the value of non-U.S. securities, the value of dividends and interest earned from such securities, gains and losses realized on the sale of such securities, and derivative transactions tied to such securities. A strong U.S. dollar relative to these other currencies will adversely affect the value of the Fund’s portfolio.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Cybersecurity Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Cybersecurity risk is the risk of an unauthorized breach and access to Fund assets, customer data (including private shareholder information), or proprietary information, or the risk of an incident occurring that causes the Fund, its investment adviser or sub-adviser, custodian, transfer agent, distributor or other service provider, a financial intermediary or the issuers of securities held by the Fund to suffer a data breach, data corruption or lose operational functionality. Successful cyber-attacks or other cyber-failures or events affecting the Fund, its service providers or the issuers of securities held by the Fund may adversely impact the Fund or its shareholders. Additionally, a cybersecurity breach could affect the issuers in which the Fund invests, which may cause the Fund’s investments to lose value.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Derivatives Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—The use of derivatives is a highly specialized activity that can involve investment techniques, risks, and tax planning different from those associated with more traditional investment instruments and involves transaction costs which could leave the Fund in a worse position than if it had not used these instruments. Derivative instruments can be used to acquire or to transfer the risk and returns of a security or other asset without buying or selling the security or asset, and the risks associated with investing in such derivatives may be different and greater than the risks associated with directly investing in the underlying securities and other instruments, including leverage risk, market risk, counterparty risk, liquidity risk, operational risk and legal risk. These instruments may entail investment exposures that are greater than their cost would suggest. As a result, a small investment in derivatives can result in losses that greatly exceed the original investment. Derivatives can be highly volatile, illiquid and difficult to value. An over-the-counter derivative transaction between the Fund and a counterparty that is not cleared through a central counterparty also involves the risk that a loss may be sustained as a result of the failure of the counterparty to the contract to make required payments. The payment obligation for a cleared derivative transaction is guaranteed by a central counterparty, which exposes the Fund to the creditworthiness of the central counterparty.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Emerging Markets Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—The risk of foreign investment often increases in countries with emerging markets or that are otherwise economically tied to emerging market countries. For example, these countries may have more unstable governments than developed countries and their economies may be based on only a few industries. Emerging market countries may also have less stringent regulation of accounting, auditing, financial reporting and recordkeeping requirements, which would affect the Fund’s ability to evaluate potential portfolio companies. As a result, there could be less information about issuers in emerging market countries, which could negatively affect the ability of the Fund’s sub-adviser to evaluate local companies or their potential impact on the Fund’s performance. Because their financial markets may be very small, prices of financial instruments in emerging market countries may be volatile and difficult to determine. Financial instruments of issuers in these countries may have lower overall liquidity than those of issuers in more developed countries. In addition, foreign investors such as the Fund are subject to a variety of special restrictions in many emerging market countries. </span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">Shareholder claims and regulatory actions that are available in the U.S. may be difficult or impossible to pursue in emerging market countries.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Equity Security Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Equity securities in the Fund’s portfolio may decline significantly in price over short or extended periods of time, and such declines may occur because of declines in the equity market as a whole, or because of declines in only a particular country, company, industry, or sector of the market. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">ETF Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—An ETF is subject to the risks of the underlying securities that it holds. In addition, for index-based ETFs, the performance of an ETF may diverge from the performance of such index (commonly known as tracking error). ETFs are subject to fees and expenses (like management fees and operating expenses) that do not apply to an index, and the Fund </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">will indirectly bear its proportionate share of any such fees and expenses paid by the ETFs in which it invests. Moreover, ETF shares may trade at a premium or discount to their net asset value. As ETFs trade on an exchange, they are subject to the risks of any exchange-traded instrument, including: (i) an active trading market for its shares may not develop or be maintained, (ii) market makers or authorized participants may decide to reduce their role or step away from these activities in times of market stress, (iii) trading of its shares may be halted by the exchange, and (iv) its shares may be delisted from the exchange.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Foreign Investment Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Non-U.S. issuers or U.S. issuers with significant non-U.S. operations may be subject to risks in addition to those of issuers located in or that principally operate in the United States as a result of, among other things, political, social and economic developments abroad, as well as armed conflicts and different legal, regulatory and tax environments. Foreign investments may also have lower liquidity and be more difficult to value than investments in U.S. issuers. To the extent the Fund invests a significant portion of its assets in the securities of companies in a single country or region, it may be more susceptible to adverse economic, market, political or regulatory events or conditions affecting that country or region. Foreign investments may also be subject to risk of loss because of more or less foreign government regulation, less public information, less stringent investor protections and less stringent accounting, corporate governance, financial reporting and disclosure standards. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Infrastructure Sector Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Because the Fund invests significantly in infrastructure-related securities, the Fund has greater exposure to adverse economic, regulatory, political, legal and other changes affecting the issuers of such securities. Additionally, infrastructure-related entities may be subject to regulation and oversight by various governmental authorities and affected by government regulation of rates charged to consumers, service interruptions, environmental matters or the imposition of special tariffs and changes in tax law. Infrastructure companies may be focused in the energy, industrials and utilities sectors. At times, the performance of securities in these infrastructure sectors may lag the performance of other sectors or the broader market as a whole. A downturn in these sectors could have an adverse impact on the Fund.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Market Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—The market value of the Fund’s investments may go up or down, sometimes rapidly or unpredictably and for short or extended periods of time, due to the particular circumstances of individual issuers or due to general conditions impacting issuers more broadly. Global economies and financial markets have become highly interconnected, and thus economic, market or political conditions or events in one country or region might adversely impact the value of the Fund’s investments whether or not the Fund invests in such country or region. Events such as war, terrorism, natural and environmental disasters and the spread of infectious illnesses or other public health emergencies may have a severe negative impact on the global economy, could cause financial markets to experience extreme volatility and losses, and could result in the disruption of trading and the reduction of liquidity in many instruments. Additionally, as inflation increases, the value of the Fund’s assets can decline.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Master Limited Partnership Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—MLP entities are typically focused on the energy, natural resources and real estate sectors of the economy. Energy and natural resources MLPs may be adversely impacted by the volatility of commodity prices. A downturn in the energy, natural resources or real estate sectors of the economy could have an adverse impact on the Fund. An investment in an MLP exposes the Fund to the legal and tax risks associated with investing in partnerships. MLPs may have limited financial resources, their securities may be relatively illiquid, and they may be subject to more erratic price movements because of the underlying assets they hold.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Other Investment Companies Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—When the Fund invests in other investment companies, including ETFs, you bear both your proportionate share of Fund expenses and, indirectly, the expenses of the other investment companies. Furthermore, the Fund is exposed to the risks to which the other investment companies may be subject. </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Preferred Security Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Preferred securities generally are subordinated to bonds and other debt instruments in a company’s capital structure and therefore will be subject to greater credit risk than those debt instruments. In addition, preferred securities are subject to other risks, such as having no or limited voting rights, being subject to special redemption rights, having distributions deferred or skipped, having floating interest rates or dividends, which may result in a decline in value in a falling interest rate environment, having fixed interest rates or dividends, which may result in a decline in value in a rising interest rate environment, having limited liquidity, changing or unfavorable tax treatments and possibly being issued by companies in heavily regulated industries.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Real Estate Investment Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—The Fund's investments in the real estate market have many of the same risks as direct ownership of real estate. These risks include, among others: declines in the value of real estate; risks related to general and local economic conditions; possible lack of availability of mortgage funds or other limits to accessing the credit or capital markets; defaults by borrowers or tenants, particularly during an economic downturn; and changes in interest </span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">rates. The real estate sector is highly sensitive to general and local economic conditions and developments and is characterized by intense competition and periodic overbuilding. Real estate values have been subject to substantial fluctuations and declines on a local, regional and national basis in the past and may continue to be in the future. Any such fluctuations in real estate values also may affect the value of an investment in the Fund.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">REITs Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">— In addition to the risks associated with investing in securities of real estate companies and real estate related companies, REITs are subject to certain additional risks. REITs may be affected by changes in real estate values, rents, property taxes and interest rates. Further, REITs are dependent upon specialized management skills and cash flows, and may have their investments in relatively few properties, or in a small geographic area or a single property type. Failure of a company to qualify as a REIT under federal tax law, or changes to federal tax law or regulations governing REITs, may have adverse consequences to the Fund. In addition, REITs have their own expenses, and the Fund will bear a proportionate share of those expenses. Many REITs utilize leverage (and some may be highly leveraged), which increases investment risk and could potentially magnify the Fund’s losses.</span></div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: bold; text-decoration: none;">Small- and Mid-Cap Company Risk</span><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">—Even larger REITs may be small- to medium-sized companies in relation to the equity markets as a whole. Securities of small-cap companies involve substantial risk. Prices of small-cap securities may be subject to more abrupt or erratic movements, and to wider fluctuations and lower liquidity, than security prices of larger, more established companies or broader market averages in general. It may be difficult to sell small-cap securities at the desired time and price. While mid-cap securities may be slightly less volatile than small-cap securities, they still involve similar risks.</span></div> Fund Performance <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The following bar chart and table provide some indication of the potential risks of investing in the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at www.nuveen.com/performance or by calling (800) 257-8787.</div> The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. www.nuveen.com/performance (800) 257-8787 <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.</div> The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.   Class A Annual Total Return* year-to-date total return 2026-03-31 0.1036 <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; font-style: normal; margin-top: 1em; margin-bottom: 1em;"><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">During the ten-year period ended December 31, 2025, the Fund’s highest and lowest quarterly returns were 14.66%</span><br/><span style="font-size: 10.0pt; font-family: arial; font-style: normal; color: #000000; font-weight: normal; text-decoration: none;">and -22.81%, respectively, for the quarters ended March 31, 2019 and March 31, 2020.</span></div> highest lowest 0.1466 -0.2281 2019-03-31 2020-03-31 <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">The table below shows the variability of the average annual returns of the Class A, Class C, Class R6 and Class I shares of the Fund and how they compare over the time periods indicated with those of broad measures of market performance and an index of funds with similar investment objectives. All after-tax returns are calculated using the historical highest</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. Your own actual after-tax returns will depend on your specific tax situation and may differ from what is shown here. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans.</div> <div style="font-size: 10.0pt; font-family: arial; text-align: left; color: #000000; font-weight: normal; text-decoration: none; margin-top: 1em; margin-bottom: 1em;">Both the bar chart and the table assume that all distributions have been reinvested. Performance reflects fee waivers, if any, in effect during the periods presented. If any such waivers had not been in place, returns would have been reduced.</div> All after-tax returns are calculated using the historical highestindividual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans. Average Annual Total Returns for the Periods EndedDecember 31, 2025 2007-12-17 2007-12-17 2007-12-17 0.1091 0.0741 0.0784 0.0830 0.0574 0.0620 0.0802 0.0555 0.0588 2008-11-03 0.1688 0.0788 0.0782 2016-06-30 0.1816 0.0904 0.0787 2007-12-17 0.1805 0.0897 0.0875 0.2234 0.1119 0.1172 0.1223 0.2154 0.1002 0.0847 0.0748 0.1919 0.0735 0.0811 0.0715 Nuveen Real Asset Income Fund Investment Objective The principal investment objective of the Fund is to seek a high level of current income. The secondary objective is to seek capital appreciation. Fees and Expenses of the Fund <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">The following tables describe the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none"> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. More information about these and other discounts, as well as eligibility requirements for each share class, is available from your financial advisor and in “How You Can Buy and Sell Shares” on page 56 of the Fund’s prospectus and “Purchase and Redemption of Fund Shares” on page S-75 of the Fund’s statement of additional information. In addition, more information about sales charge discounts and waivers for purchases of shares through specific financial intermediaries is set forth in the appendix to the Fund’s prospectus entitled “Variations in Sales Charge Reductions and Waivers Available Through Certain Intermediaries.”</span></div> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. 50000 Shareholder Fees(fees paid directly from your investment) 0.0575 0 0 0 0 0.0100 0 0 0 0 0 0 0 0 0 0 15 15 0 0 Annual Fund Operating Expenses(expenses that you pay each year as a percentage of the value of your investment) 0.0073 0.0073 0.0073 0.0073 0.0025 0.0100 0.0000 0.0000 0.0019 0.0019 0.0009 0.0019 0.0117 0.0192 0.0082 0.0092 -0.0001 -0.0001 -0.0001 -0.0001 0.0116 0.0191 0.0081 0.0091 The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. July 31, 2028 Example <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem or do not redeem your shares at the end of a period. The example also assumes that your investment has a 5% return each year, that the Fund’s operating expenses remain the same and that the fee waivers currently in place are not renewed beyond July 31, 2028. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 686 686 194 194 83 83 93 93 923 923 601 601 259 259 291 291 1180 1180 1035 1035 453 453 507 507 1912 1912 2241 2241 1011 1011 1129 1129 Portfolio Turnover <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 74% of the average value of its portfolio. </div> 0.74 Principal Investment Strategies <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">Under normal market conditions, the Fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in securities issued by real asset related companies that are generating income at the time of purchase. Real asset related companies are defined as: (i) companies that are in the energy, telecommunications, utilities or materials sectors; (ii) companies in the real estate or transportation industry groups; (iii) companies, if not in one of these sectors or industries, that (a) derive at least 50% of their revenues or profits from the ownership, management, operation, development, construction, renovation, financing, or sale of real assets, or (b) have at least 50% of the fair market value of their assets invested in real assets; or (iv) pooled investment vehicles that primarily invest in the foregoing companies or that are otherwise designed primarily to provide investment exposure to real assets.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The categories of real assets on which the Fund will focus its investments are infrastructure and real estate. Infrastructure consists of the physical structures and networks upon which the operation, growth and development of a community depends, which include water, sewer, and energy utilities; transportation and communication networks; health care facilities, government accommodations, and other public service facilities; and shipping, timber, steel, alternative energy, and other resources and services necessary for the construction and maintenance of these physical structures and networks. In normal market conditions, the Fund will invest at least 25% of its assets, collectively, in securities of issuers in the infrastructure and real estate industries.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">The Fund will invest in both equity securities and debt securities, but will not invest more than 40% of its net assets in debt securities. All or a portion of the Fund’s debt securities may be rated lower than investment grade (BB/Ba or lower). Equity securities in which the Fund may invest may be of any market capitalization, including small- and mid-capitalization companies, and include common stock, preferred securities, hybrid securities and convertible securities, as well as interests in real estate investment trusts (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">REITs</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”), exchange-traded notes (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">ETNs</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”), other investment companies (including exchange-traded funds (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">ETFs</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”)) and equity securities issued by master limited partnerships (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">MLPs</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”). Debt securities in which the Fund may invest include corporate debt obligations, mortgage-backed securities and debt securities issued by MLPs.</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">The Fund may invest in securities that have not been registered under the Securities Act of 1933, as amended (the “</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">Securities Act”</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">) (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">restricted securities</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”), including securities sold in private placement transactions between issuers and their purchasers and securities that meet the requirements of Rule 144A under the Securities Act (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">Rule 144A securities</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”). Rule 144A securities may be resold under certain circumstances only to qualified institutional buyers as defined by the rule.</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund will invest in non-U.S. securities, but will limit its exposure to emerging markets to 50% of its net assets at the time of purchase.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund may utilize derivatives, including options, futures contracts, options on futures contracts, and forward foreign currency exchange contracts. The Fund may use these derivatives to manage market or business risk, enhance the Fund’s return, or hedge against adverse movements in currency exchange rates.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">In selecting securities for the Fund, the sub-adviser will utilize a team-based investment philosophy and primarily employ a bottom-up approach that relies on fundamental research by its Real Assets Team and its Taxable Fixed Income Team. The sub-adviser will complement its bottom-up approach with top-down research. The sub-adviser seeks to invest opportunistically based on market conditions, which may cause frequent trading of portfolio securities and a high portfolio turnover rate.</div> In normal market conditions, the Fund will invest at least 25% of its assets, collectively, in securities of issuers in the infrastructure and real estate industries. The value of your investment in this Fund will change daily. You could lose money by investing in the Fund. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Active Management Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The Fund’s sub-adviser actively manages the Fund’s investments. Consequently, the Fund is subject to the risk that the investment techniques and risk analyses employed by the Fund’s sub-adviser, including its use of proprietary and third-party technology systems, models, algorithms and data management software, may not produce the desired results. This could cause the Fund to lose value or its investment results to lag relevant benchmarks or other funds with similar objectives.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Call Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—If, during periods of falling interest rates, an issuer exercises its right to prepay principal on its higher-yielding debt securities held by the Fund, the Fund may have to reinvest in securities with lower yields or higher risk of default, which may adversely impact the Fund’s performance.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Convertible Security Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Convertible securities are subject to market and other risks associated with equity securities, as well as the credit, interest rate and other risks associated with debt securities. The value of convertible securities may decline in response to such factors as rising interest rates and fluctuations in the market price of the common stock underlying the convertible securities.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Credit Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Credit risk is the risk that an issuer or other obligated party of a security may be, or perceived (whether by market participants, rating agencies, pricing services or otherwise) to be, unable or unwilling to make dividend, interest and principal payments when due and the related risk that the value of a security may decline because of concerns about the issuer’s ability or willingness to make such payments. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Credit Spread Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Credit spread risk is the risk that credit spreads (i.e., the difference in yield between securities that is due to differences in their credit quality) may increase when the market believes that bonds generally have a greater risk of default. Increasing credit spreads may reduce the market values of the Fund’s debt securities. Credit spreads often increase more for lower rated and unrated securities than for investment grade securities. In addition, when credit spreads increase, reductions in market value will generally be greater for longer-maturity securities.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Currency Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Changes in currency exchange rates will affect the value of non-U.S. securities, the value of dividends and interest earned from such securities, gains and losses realized on the sale of such securities, and derivative transactions tied to such securities. A strong U.S. dollar relative to these other currencies will adversely affect the value of the Fund’s portfolio.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Cybersecurity Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Cybersecurity risk is the risk of an unauthorized breach and access to Fund assets, customer data (including private shareholder information), or proprietary information, or the risk of an incident occurring that causes the Fund, its investment adviser or sub-adviser, custodian, transfer agent, distributor or other service provider, a financial intermediary or the issuers of securities held by the Fund to suffer a data breach, data corruption or lose operational functionality. Successful cyber-attacks or other cyber-failures or events affecting the Fund, its service providers or the issuers of securities held by the Fund may adversely impact the Fund or its shareholders. Additionally, a cybersecurity breach could affect the issuers in which the Fund invests, which may cause the Fund’s investments to lose value.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Derivatives Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The use of derivatives is a highly specialized activity that can involve investment techniques, risks, and tax planning different from those associated with more traditional investment instruments and involves transaction costs which could leave the Fund in a worse position than if it had not used these instruments. Derivative instruments can be used to acquire or to transfer the risk and returns of a security or other asset without buying or selling the security or asset, and the risks associated with investing in such derivatives may be different and greater than the risks associated with directly investing in the underlying securities and other instruments, including leverage risk, market risk, counterparty risk, liquidity risk, operational risk and legal risk. These instruments may entail investment exposures that are greater than their cost would suggest. As a result, a small investment in derivatives can result in losses that greatly exceed the original investment. Derivatives can be highly volatile, illiquid and difficult to value. An over-the-counter derivative transaction between the Fund and a counterparty that is not cleared through a central counterparty also involves the risk that a loss may be sustained as a result of the failure of the counterparty to the contract to make required payments. The payment </span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">obligation for a cleared derivative transaction is guaranteed by a central counterparty, which exposes the Fund to the creditworthiness of the central counterparty.</div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Emerging Markets Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The risk of foreign investment often increases in countries with emerging markets or that are otherwise economically tied to emerging market countries. For example, these countries may have more unstable governments than developed countries and their economies may be based on only a few industries. Emerging market countries may also have less stringent regulation of accounting, auditing, financial reporting and recordkeeping requirements, which would affect the Fund’s ability to evaluate potential portfolio companies. As a result, there could be less information about issuers in emerging market countries, which could negatively affect the ability of the Fund’s sub-adviser to evaluate local companies or their potential impact on the Fund’s performance. Because their financial markets may be very small, prices of financial instruments in emerging market countries may be volatile and difficult to determine. Financial instruments of issuers in these countries may have lower overall liquidity than those of issuers in more developed countries. In addition, foreign investors such as the Fund are subject to a variety of special restrictions in many emerging market countries. Shareholder claims and regulatory actions that are available in the U.S. may be difficult or impossible to pursue in emerging market countries.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Equity Security Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Equity securities in the Fund’s portfolio may decline significantly in price over short or extended periods of time, and such declines may occur because of declines in the equity market as a whole, or because of declines in only a particular country, company, industry, or sector of the market. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">ETF Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—An ETF is subject to the risks of the underlying securities that it holds. In addition, for index-based ETFs, the performance of an ETF may diverge from the performance of such index (commonly known as tracking error). ETFs are subject to fees and expenses (like management fees and operating expenses) that do not apply to an index, and the Fund will indirectly bear its proportionate share of any such fees and expenses paid by the ETFs in which it invests. Moreover, ETF shares may trade at a premium or discount to their net asset value. As ETFs trade on an exchange, they are subject to the risks of any exchange-traded instrument, including: (i) an active trading market for its shares may not develop or be maintained, (ii) market makers or authorized participants may decide to reduce their role or step away from these activities in times of market stress, (iii) trading of its shares may be halted by the exchange, and (iv) its shares may be delisted from the exchange.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">ETN Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Like other index-tracking instruments, ETNs are subject to the risk that the value of the index may decline, at times sharply and unpredictably. In addition, ETNs—which are debt instruments—are subject to risk of default by the issuer.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Foreign Investment Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Non-U.S. issuers or U.S. issuers with significant non-U.S. operations may be subject to risks in addition to those of issuers located in or that principally operate in the United States as a result of, among other things, political, social and economic developments abroad, as well as armed conflicts and different legal, regulatory and tax environments. Foreign investments may also have lower liquidity and be more difficult to value than investments in U.S. issuers. To the extent the Fund invests a significant portion of its assets in the securities of companies in a single country or region, it may be more susceptible to adverse economic, market, political or regulatory events or conditions affecting that country or region. Foreign investments may also be subject to risk of loss because of more or less foreign government regulation, less public information, less stringent investor protections and less stringent accounting, corporate governance, financial reporting and disclosure standards. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">High Yield Securities Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—High yield securities, which are rated below investment grade and commonly referred to as “junk” bonds, and unrated securities of comparable quality are high risk investments that may cause income and principal losses for the Fund. They generally are considered to be speculative with respect to the ability to pay interest and repay principal, have greater credit risk, are less liquid, are more likely to experience a default and have more volatile prices than investment grade securities, especially during periods of uncertainty or market turmoil.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Income Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The Fund's income could decline during periods of falling interest rates or when the Fund experiences defaults on debt securities or defaults or deferrals on preferred securities it holds. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Infrastructure Sector Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Because the Fund invests significantly in infrastructure-related securities, the Fund has greater exposure to adverse economic, regulatory, political, legal and other changes affecting the issuers of such securities. Additionally, infrastructure-related entities may be subject to regulation and oversight by various governmental authorities and affected by government regulation of rates charged to consumers, service interruptions, environmental matters or the imposition of special tariffs and changes in tax law. Infrastructure companies may be focused in the energy, industrials and utilities sectors. At times, the performance of securities in these infrastructure sectors may lag the </span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">performance of other sectors or the broader market as a whole. A downturn in these sectors could have an adverse impact on the Fund.</div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Interest Rate Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Interest rate risk is the risk that the value of the Fund’s fixed-rate securities will decline because of rising interest rates. Changing interest rates may have unpredictable effects on markets, result in heightened market volatility and detract from the Fund’s performance to the extent that it is exposed to such interest rates. Fixed-rate securities may be subject to a greater risk of rising interest rates than would normally be the case due to the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives. Higher periods of inflation could lead to government fiscal policies which raise interest rates. When interest rates change, the values of longer-duration fixed-rate securities usually change more than the values of shorter-duration fixed-rate securities. Conversely, fixed-rate securities with shorter durations or maturities will be less volatile but may provide lower returns than fixed-rate securities with longer durations or maturities. Rising interest rates also may lengthen the duration of securities with call features, since exercise of the call becomes less likely as interest rates rise, which in turn will make the securities more sensitive to changes in interest rates and result in even steeper price declines in the event of further interest rate increases. The Fund is also subject to the risk that the income generated by its investments may not keep pace with inflation. There is a risk that interest rates across the financial system may change, possibly significantly and/or rapidly. In general, changing interest rates, including rates that fall below zero, or a lack of market participants may lead to decreased liquidity and increased volatility in the fixed-rate or debt markets, making it more difficult for the Fund to sell fixed-rate investments. Changes in interest rates may also lead to an increase in Fund redemptions, which may result in higher portfolio turnover costs, thereby adversely affecting the Fund’s performance.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Market Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The market value of the Fund’s investments may go up or down, sometimes rapidly or unpredictably and for short or extended periods of time, due to the particular circumstances of individual issuers or due to general conditions impacting issuers more broadly. Global economies and financial markets have become highly interconnected, and thus economic, market or political conditions or events in one country or region might adversely impact the value of the Fund’s investments whether or not the Fund invests in such country or region. Events such as war, terrorism, natural and environmental disasters and the spread of infectious illnesses or other public health emergencies may have a severe negative impact on the global economy, could cause financial markets to experience extreme volatility and losses, and could result in the disruption of trading and the reduction of liquidity in many instruments. Additionally, as inflation increases, the value of the Fund’s assets can decline.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Market Liquidity Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Reductions in trading activity or dealer inventories of securities such as bonds and preferred securities, which provide an indication of the ability of financial intermediaries to “make markets” in those securities, have the potential to decrease liquidity and increase price volatility in the markets in which the Fund invests, particularly during periods of economic or market stress. In addition, federal banking regulations may cause certain dealers to reduce their inventories of securities, which may further decrease the Fund’s ability to buy or sell securities. As a result of this decreased liquidity, the Fund may have to accept a lower price to sell a security, sell other securities to raise cash, or give up an investment opportunity, any of which could have a negative effect on performance. If the Fund needed to sell large blocks of securities to meet shareholder redemption requests or to raise cash, those sales could further reduce the securities’ prices and hurt performance.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Master Limited Partnership Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—MLP entities are typically focused on the energy, natural resources and real estate sectors of the economy. Energy and natural resources MLPs may be adversely impacted by the volatility of commodity prices. A downturn in the energy, natural resources or real estate sectors of the economy could have an adverse impact on the Fund. An investment in an MLP exposes the Fund to the legal and tax risks associated with investing in partnerships. MLPs may have limited financial resources, their securities may be relatively illiquid, and they may be subject to more erratic price movements because of the underlying assets they hold.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Mortgage-Backed Securities Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—These securities generally can be prepaid at any time, and prepayments that occur either more quickly or more slowly than expected can adversely impact the value of such securities. They are also subject to extension risk, which is the risk that rising interest rates could cause mortgages underlying the securities to be prepaid more slowly than expected, thereby lengthening the duration of such securities, increasing their sensitivity to interest rate changes and causing their prices to decline. Mortgage-backed securities are particularly sensitive to prepayment risk, given that the term to maturity for mortgage loans is generally substantially longer than the expected lives of those securities. A mortgage-backed security may be negatively affected by the quality of the mortgages underlying such security, the credit quality of its issuer or guarantor, and the nature and structure of its credit support. Mortgage-backed securities that are not backed by the full faith and credit of the U.S. government are subject to the risk of default on the underlying mortgage, particularly during periods of economic downturn.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Other Investment Companies and Pooled Investment Vehicles Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—When the Fund invests in other investment companies or pooled investment vehicles, including ETFs, you bear both your proportionate share of Fund expenses and, indirectly, the expenses of the other investment companies or pooled investment vehicles. Furthermore, the Fund is exposed to the risks to which the other investment companies or pooled investment vehicles may be subject.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Preferred Security Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Preferred securities generally are subordinated to bonds and other debt instruments in a company’s capital structure and therefore will be subject to greater credit risk than those debt instruments. In addition, preferred securities are subject to other risks, such as having no or limited voting rights, being subject to special redemption rights, having distributions deferred or skipped, having floating interest rates or dividends, which may result in a decline in value in a falling interest rate environment, having fixed interest rates or dividends, which may result in a decline in value in a rising interest rate environment, having limited liquidity, changing or unfavorable tax treatments and possibly being issued by companies in heavily regulated industries.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Real Estate Investment Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The Fund's investments in the real estate market have many of the same risks as direct ownership of real estate. These risks include, among others: declines in the value of real estate; risks related to general and local economic conditions; possible lack of availability of mortgage funds or other limits to accessing the credit or capital markets; defaults by borrowers or tenants, particularly during an economic downturn; and changes in interest rates. The real estate sector is highly sensitive to general and local economic conditions and developments and is characterized by intense competition and periodic overbuilding. Real estate values have been subject to substantial fluctuations and declines on a local, regional and national basis in the past and may continue to be in the future. Any such fluctuations in real estate values also may affect the value of an investment in the Fund.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">REITs Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">— In addition to the risks associated with investing in securities of real estate companies and real estate related companies, REITs are subject to certain additional risks. REITs may be affected by changes in real estate values, rents, property taxes and interest rates. Further, REITs are dependent upon specialized management skills and cash flows, and may have their investments in relatively few properties, or in a small geographic area or a single property type. Failure of a company to qualify as a REIT under federal tax law, or changes to federal tax law or regulations governing REITs, may have adverse consequences to the Fund. In addition, REITs have their own expenses, and the Fund will bear a proportionate share of those expenses. Many REITs utilize leverage (and some may be highly leveraged), which increases investment risk and could potentially magnify the Fund’s losses.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Restricted Securities Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The market for restricted securities, including Rule 144A securities, typically is less active than the market for publicly traded securities. Rule 144A securities and other securities exempt from registration under the Securities Act carry the risk that their liquidity may become impaired and the Fund may be unable to dispose of the securities promptly or at current market value.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Small- and Mid-Cap Company Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Even larger REITs may be small- to medium-sized companies in relation to the equity markets as a whole. Securities of small-cap companies involve substantial risk. Prices of small-cap securities may be subject to more abrupt or erratic movements, and to wider fluctuations and lower liquidity, than security prices of larger, more established companies or broader market averages in general. It may be difficult to sell small-cap securities at the desired time and price. While mid-cap securities may be slightly less volatile than small-cap securities, they still involve similar risks.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Valuation Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The sales price the Fund could receive for any particular debt security may differ from the Fund’s valuation of the investment, particularly for debt securities that trade in thin or volatile markets or that are valued using a fair value methodology. The debt securities in which the Fund invests typically are valued by a pricing service utilizing a range of market-based inputs and assumptions, including price quotations obtained from broker-dealers making markets in such instruments, cash flows and transactions for comparable instruments. There is no assurance that the Fund will be able to buy or sell a portfolio security at the price established by the pricing service, which could result in a gain or loss to the Fund. Pricing services generally price debt securities assuming orderly transactions of an institutional “round lot” size, but some trades may occur in smaller, “odd lot” sizes, often at lower prices than institutional round lot trades. Over certain time periods, such differences could materially impact the performance of the Fund, which may not be sustainable. Alternative pricing services may incorporate different assumptions and inputs into their valuation methodologies, potentially resulting in different values for the same securities. As a result, if the Fund were to change pricing services, or if the Fund’s pricing service were to change its valuation methodology, there could be a material impact, either positive or negative, on the Fund’s net asset value.</span></div> Fund Performance <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The following bar chart and table provide some indication of the potential risks of investing in the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at www.nuveen.com/performance or by calling (800) 257-8787.</div> The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. www.nuveen.com/performance (800) 257-8787 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.</div> The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.   Class A Annual Total Return* year-to-date total return 2026-03-31 0.0230 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">During the ten-year period ended December 31, 2025, the Fund’s highest and lowest quarterly returns were 13.54%</span><br/> <span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">and -25.52%, respectively, for the quarters ended June 30, 2020 and March 31, 2020.</span></div> highest lowest 0.1354 -0.2552 2020-06-30 2020-03-31 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The table below shows the variability of the Fund’s average annual returns and how they compare over the time periods indicated with those of broad measures of market performance and an index of funds with similar investment objectives. All after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. Your own actual after-tax returns will depend on your specific tax situation and may differ from what is shown here. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">Both the bar chart and the table assume that all distributions have been reinvested. Performance reflects fee waivers, if any, in effect during the periods presented. If any such waivers had not been in place, returns would have been reduced.</div> All after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans. Average Annual Total Returnsfor the Periods EndedDecember 31, 2025 2011-09-13 2011-09-13 2011-09-13 0.0484 0.0353 0.0489 0.0300 0.0187 0.0309 0.0323 0.0215 0.0312 2011-09-13 0.1041 0.0398 0.0488 2016-06-30 0.1163 0.0512 0.0508 2011-09-13 0.1155 0.0503 0.0577 0.2234 0.1119 0.1172 0.1223 0.0862 0.0451 0.0653 0.0591 0.1082 0.0493 0.0574 0.0509 0.1636 0.0745 0.0620 0.0546 Nuveen Real Estate Securities Fund Investment Objective <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The investment objective of the Fund is to provide above average current income and long-term capital appreciation.</div> Fees and Expenses of the Fund <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">The following tables describe the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none"> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. More information about these and other discounts, as well as eligibility requirements for each share class, is available from your financial advisor and in “How You Can Buy and Sell Shares” on page 56 of the Fund’s prospectus and “Purchase and Redemption of Fund Shares” on page S-75 of the Fund’s statement of additional information. In addition, more information about sales charge discounts and waivers for purchases of shares through specific financial intermediaries is set forth in the appendix to the Fund’s prospectus entitled “Variations in Sales Charge Reductions and Waivers Available Through Certain Intermediaries.”</span></div> You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other Nuveen mutual funds. 50000 Shareholder Fees(fees paid directly from your investment) 0.0575 0 0 0 0 0.0100 0 0 0 0 0 0 0 0 0 0 15 15 0 0 Annual Fund Operating Expenses(expenses that you pay each year as a percentage of the value of your investment) 0.0078 0.0078 0.0078 0.0078 0.0025 0.0100 0.0000 0.0000 0.0027 0.0027 0.0006 0.0027 0.0130 0.0205 0.0084 0.0105 -0.0012 -0.0012 -0.0012 -0.0012 0.0118 0.0193 0.0072 0.0093 The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. Management Fees have been restated to reflect current contractual fees.Fee Waivers and/or Expense Reimbursements have been restated to reflect current fees. July 31, 2028 Example <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem or do not redeem your shares at the end of a period. The example also assumes that your investment has a 5% return each year, that the Fund's operating expenses remain the same and that the fee waivers currently in place are not renewed beyond July 31, 2028. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 688 688 196 196 74 74 95 95 937 937 616 616 240 240 306 306 1222 1222 1078 1078 439 439 552 552 2030 2030 2357 2357 1011 1011 1257 1257 Portfolio Turnover <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 69% of the average value of its portfolio. </div> 0.69 Principal Investment Strategies <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">Under normal market conditions, the Fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in income-producing common stocks of publicly traded companies engaged in the real estate industry. These companies derive at least 50% of their revenues or profits from the ownership, construction, management, financing or sale of real estate, or have at least 50% of the fair market value of their assets invested in real estate. </div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund’s sub-adviser will select companies that it believes exhibit strong management teams, a strong competitive position, above average growth in revenues and a sound balance sheet. These companies may be of any market capitalization, including small- and mid-capitalization companies. The sub-adviser will generally sell a stock if the stock hits its price target, the company’s fundamentals or competitive position significantly deteriorate, or if a better alternative exists in the marketplace.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">A majority of the Fund’s total assets will be invested in real estate investment trusts (“</span><span style="font-size:10.0pt;font-family:arial;font-style:italic;color:#000000;font-weight:normal;text-decoration:none">REITs</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">”). REITs are publicly traded corporations or trusts that invest in residential or commercial real estate. REITs generally can be divided into the following three types:</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;text-indent:-18.0pt;font-weight:normal;margin-left:36.0pt;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:symbol;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">·</span><span style="word-spacing:10.0pt"> </span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">Equity REITs, which invest the majority of their assets directly in real property and derive their income primarily from rents and capital gains or real estate appreciation.</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;text-indent:-18.0pt;font-weight:normal;margin-left:36.0pt;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:symbol;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">·</span><span style="word-spacing:10.0pt"> </span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">Mortgage REITs, which invest the majority of their assets in real estate mortgage loans and derive their income primarily from interest payments.</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;text-indent:-18.0pt;font-weight:normal;margin-left:36.0pt;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:symbol;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">·</span><span style="word-spacing:10.0pt"> </span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">Hybrid REITs, which combine the characteristics of equity REITs and mortgage REITs.</span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund expects to emphasize investments in equity REITs, although it may invest in all three kinds of REITs.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund may invest up to 15% of its total assets in non-dollar denominated equity securities of non-U.S. issuers. In addition, the Fund may invest up to 25% of its assets, collectively, in non-dollar denominated equity securities of non-U.S. issuers and in dollar-denominated equity securities of non-U.S. issuers that are either listed on a U.S. stock exchange or represented by depositary receipts that may or may not be sponsored by a domestic bank. Up to 15% of the Fund’s total assets may be invested in equity securities of emerging market issuers.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The Fund may utilize derivatives, including options, futures contracts, options on futures contracts, and forward foreign currency exchange contracts. The Fund may use these derivatives to manage market or business risk, enhance the Fund’s return, or hedge against adverse movements in currency exchange rates.</div> Under normal market conditions, the Fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in income-producing common stocks of publicly traded companies engaged in the real estate industry. The value of your investment in this Fund will change daily. You could lose money by investing in the Fund. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Active Management Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The Fund’s sub-adviser actively manages the Fund’s investments. Consequently, the Fund is subject to the risk that the investment techniques and risk analyses employed by the Fund’s sub-adviser, including its use </span></div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">of proprietary and third-party technology systems, models, algorithms and data management software, may not produce the desired results. This could cause the Fund to lose value or its investment results to lag relevant benchmarks or other funds with similar objectives.</div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Currency Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Changes in currency exchange rates will affect the value of non-U.S. securities, the value of dividends and interest earned from such securities, gains and losses realized on the sale of such securities, and derivative transactions tied to such securities. A strong U.S. dollar relative to these other currencies will adversely affect the value of the Fund’s portfolio.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Cybersecurity Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Cybersecurity risk is the risk of an unauthorized breach and access to Fund assets, customer data (including private shareholder information), or proprietary information, or the risk of an incident occurring that causes the Fund, its investment adviser or sub-adviser, custodian, transfer agent, distributor or other service provider, a financial intermediary or the issuers of securities held by the Fund to suffer a data breach, data corruption or lose operational functionality. Successful cyber-attacks or other cyber-failures or events affecting the Fund, its service providers or the issuers of securities held by the Fund may adversely impact the Fund or its shareholders. Additionally, a cybersecurity breach could affect the issuers in which the Fund invests, which may cause the Fund’s investments to lose value.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Derivatives Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The use of derivatives is a highly specialized activity that can involve investment techniques, risks, and tax planning different from those associated with more traditional investment instruments and involves transaction costs which could leave the Fund in a worse position than if it had not used these instruments. Derivative instruments can be used to acquire or to transfer the risk and returns of a security or other asset without buying or selling the security or asset, and the risks associated with investing in such derivatives may be different and greater than the risks associated with directly investing in the underlying securities and other instruments, including leverage risk, market risk, counterparty risk, liquidity risk, operational risk and legal risk. These instruments may entail investment exposures that are greater than their cost would suggest. As a result, a small investment in derivatives can result in losses that greatly exceed the original investment. Derivatives can be highly volatile, illiquid and difficult to value. An over-the-counter derivative transaction between the Fund and a counterparty that is not cleared through a central counterparty also involves the risk that a loss may be sustained as a result of the failure of the counterparty to the contract to make required payments. The payment obligation for a cleared derivative transaction is guaranteed by a central counterparty, which exposes the Fund to the creditworthiness of the central counterparty.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Emerging Markets Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The risk of foreign investment often increases in countries with emerging markets or that are otherwise economically tied to emerging market countries. For example, these countries may have more unstable governments than developed countries and their economies may be based on only a few industries. Emerging market countries may also have less stringent regulation of accounting, auditing, financial reporting and recordkeeping requirements, which would affect the Fund’s ability to evaluate potential portfolio companies. As a result, there could be less information about issuers in emerging market countries, which could negatively affect the ability of the Fund’s sub-adviser to evaluate local companies or their potential impact on the Fund’s performance. Because their financial markets may be very small, prices of financial instruments in emerging market countries may be volatile and difficult to determine. Financial instruments of issuers in these countries may have lower overall liquidity than those of issuers in more developed countries. In addition, foreign investors such as the Fund are subject to a variety of special restrictions in many emerging market countries. Shareholder claims and regulatory actions that are available in the U.S. may be difficult or impossible to pursue in emerging market countries.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Equity Security Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Equity securities in the Fund’s portfolio may decline significantly in price over short or extended periods of time, and such declines may occur because of declines in the equity market as a whole, or because of declines in only a particular country, company, industry, or sector of the market. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Foreign Investment Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Non-U.S. issuers or U.S. issuers with significant non-U.S. operations may be subject to risks in addition to those of issuers located in or that principally operate in the United States as a result of, among other things, political, social and economic developments abroad, as well as armed conflicts and different legal, regulatory and tax environments. Foreign investments may also have lower liquidity and be more difficult to value than investments in U.S. issuers. To the extent the Fund invests a significant portion of its assets in the securities of companies in a single country or region, it may be more susceptible to adverse economic, market, political or regulatory events or conditions affecting that country or region. Foreign investments may also be subject to risk of loss because of more or less foreign government regulation, less public information, less stringent investor protections and less stringent accounting, corporate governance, financial reporting and disclosure standards. </span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Market Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—The market value of the Fund’s investments may go up or down, sometimes rapidly or unpredictably and for short or extended periods of time, due to the particular circumstances of individual issuers or due to general conditions impacting issuers more broadly. Global economies and financial markets have become highly interconnected, and thus economic, market or political conditions or events in one country or region might adversely impact the value of the Fund’s investments whether or not the Fund invests in such country or region. Events such as war, terrorism, natural and environmental disasters and the spread of infectious illnesses or other public health emergencies may have a severe negative impact on the global economy, could cause financial markets to experience extreme volatility and losses, and could result in the disruption of trading and the reduction of liquidity in many instruments. Additionally, as inflation increases, the value of the Fund’s assets can decline.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Real Estate Investment Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Because the Fund invests significantly in securities of issuers in the real estate industry, the Fund has greater exposure to adverse economic, regulatory, political, legal and other changes affecting the issuers of such securities. The Fund's investments in the real estate market have many of the same risks as direct ownership of real estate. These risks include, among others: declines in the value of real estate; risks related to general and local economic conditions; possible lack of availability of mortgage funds or other limits to accessing the credit or capital markets; defaults by borrowers or tenants, particularly during an economic downturn; and changes in interest rates. The real estate sector is highly sensitive to general and local economic conditions and developments and is characterized by intense competition and periodic overbuilding. Real estate values have been subject to substantial fluctuations and declines on a local, regional and national basis in the past and may continue to be in the future. Any such fluctuations in real estate values also may affect the value of an investment in the Fund.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">REITs Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">— In addition to the risks associated with investing in securities of real estate companies and real estate related companies, REITs are subject to certain additional risks. REITs may be affected by changes in real estate values, rents, property taxes and interest rates. Further, REITs are dependent upon specialized management skills and cash flows, and may have their investments in relatively few properties, or in a small geographic area or a single property type. Failure of a company to qualify as a REIT under federal tax law, or changes to federal tax law or regulations governing REITs, may have adverse consequences to the Fund. In addition, REITs have their own expenses, and the Fund will bear a proportionate share of those expenses. Many REITs utilize leverage (and some may be highly leveraged), which increases investment risk and could potentially magnify the Fund’s losses.</span></div> <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:bold;text-decoration:none">Small- and Mid-Cap Company Risk</span><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">—Even larger REITs may be small- to medium-sized companies in relation to the equity markets as a whole. Securities of small-cap companies involve substantial risk. Prices of small-cap securities may be subject to more abrupt or erratic movements, and to wider fluctuations and lower liquidity, than security prices of larger, more established companies or broader market averages in general. It may be difficult to sell small-cap securities at the desired time and price. While mid-cap securities may be slightly less volatile than small-cap securities, they still involve similar risks.</span></div> Fund Performance <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The following bar chart and table provide some indication of the potential risks of investing in the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at www.nuveen.com/performance or by calling (800) 257-8787.</div> The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. www.nuveen.com/performance (800) 257-8787 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.</div> The bar chart below shows the variability of the Fund’s performance from year to year for Class A shares. The bar chart and highest/lowest quarterly returns that follow do not reflect sales charges, and if these charges were reflected, the returns would be less than those shown.   Class A Annual Total Return* year-to-date total return 2026-03-31 0.0421 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;font-style:normal;margin-top:1em;margin-bottom:1em;"><span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">During the ten-year period ended December 31, 2025, the Fund’s highest and lowest quarterly returns were 16.50%</span><br/> <span style="font-size:10.0pt;font-family:arial;font-style:normal;color:#000000;font-weight:normal;text-decoration:none">and -23.07%, respectively, for the quarters ended March 31, 2019 and March 31, 2020.</span></div> highest lowest 0.1650 -0.2307 2019-03-31 2020-03-31 <div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">The table below shows the variability of the Fund’s average annual returns and how they compare over the time periods indicated with those of broad measures of market performance and an index of funds with similar investment objectives. All after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. Your own actual after-tax returns will depend on your specific tax situation and may differ from what is shown here. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans.</div><div style="font-size:10.0pt;font-family:arial;text-align:left;color:#000000;font-weight:normal;text-decoration:none;margin-top:1em;margin-bottom:1em;">Both the bar chart and the table assume that all distributions have been reinvested. Performance reflects fee waivers, if any, in effect during the periods presented. If any such waivers had not been in place, returns would have been reduced.</div> All after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Class A shares only; after-tax returns for other share classes will vary. After-tax returns are not relevant to investors who hold Fund shares in tax-deferred accounts such as IRAs or employer-sponsored retirement plans. Average Annual Total Returns for the Periods EndedDecember 31, 2025 -0.0357 0.0374 0.0407 -0.0502 0.0078 0.0129 -0.0146 0.0222 0.0241 2000-02-01 0.0153 0.0418 0.0407 2013-04-30 0.0275 0.0539 0.0512 0.0252 0.0523 0.0495 0.1788 0.1442 0.1482 0.0295 0.0658 0.0571 0.0271 0.0585 0.0534 0.0140 0.0457 0.0494 Class A year-to-date total return as of March 31, 2026 was 4.21%. The performance of the other share classes will differ due to their different expense structures. Class A year-to-date total return as of March 31, 2026 was 10.36%. The performance of the other share classes will differ due to their different expense structures. Represents the average annualized total return for all reporting funds in the Lipper Global Infrastructure Funds Classification. The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. The Fund’s investment adviser has agreed to waive fees and/or reimburse expenses through July 31, 2028 so that the total annual operating expenses of the Fund (excluding 12b-1 distribution and/or service fees, interest expenses, taxes, acquired fund fees and expenses, fees incurred in acquiring and disposing of portfolio securities and extraordinary expenses) do not exceed 0.95% of the average daily net assets of any class of Fund shares. However, because Class R6 shares are not subject to sub-transfer agent and similar fees, the total annual operating expenses for the Class R6 shares will be less than the expense limitation. This expense limitation may be terminated or modified prior to July 31, 2028 only with the approval of the Board of Directors of the Fund. An index designed to measure the performance of large and mid-cap stocks across 23 developed and 24 emerging markets. Class A year-to-date total return as of March 31, 2026 was 2.30%. The performance of the other share classes will differ due to their different expense structures. An index designed to measure the performance of the USD-denominated, fixed-rate corporate high yield bond market. A linked benchmark comprised of the return streams from 21% FTSE EPRA Nareit Developed Index (Net), 28% S&P Global Infrastructure Index (Net), 15% Bloomberg Global Capital Securities Index, 18% Wells Fargo Hybrid & Preferred Securities REIT Index, 18% Bloomberg US Corporate High Yield Index through 3/31/2021, and thereafter 25% FTSE EPRA Nareit Developed Index (Net), 22% S&P Global Infrastructure Index (Net), 20% ICE Hybrid & Preferred Infrastructure 7% Issuer Constrained Custom Index, 13% FTSE Nareit Preferred Stock Index, 20% Bloomberg U.S. Corporate High Yield Bond Index. Represents the average annualized total return for all reporting funds in the Lipper Real Return Funds Classification. The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. Management Fees have been restated to reflect current contractual fees. Fee Waivers and/or Expense Reimbursements have been restated to reflect current fees. The Fund’s investment adviser has agreed to waive fees and/or reimburse expenses through July 31, 2028 so that the total annual operating expenses of the Fund (excluding 12b-1 distribution and/or service fees, interest expenses, taxes, acquired fund fees and expenses, fees incurred in acquiring and disposing of portfolio securities and extraordinary expenses) do not exceed 0.97% of the average daily net assets of any class of Fund shares. However, because Class R6 shares are not subject to sub-transfer agent and similar fees, the total annual operating expenses for the Class R6 shares will be less than the expense limitation. This expense limitation may be terminated or modified prior to July 31, 2028 only with the approval of the Board of Directors of the Fund. The Fund’s investment adviser has agreed to waive fees and/or reimburse expenses through July 31, 2028 so that the total annual operating expenses of the Fund (excluding 12b-1 distribution and/or service fees, interest expenses, taxes, acquired fund fees and expenses, fees incurred in acquiring and disposing of portfolio securities and extraordinary expenses) do not exceed 1.00% of the average daily net assets of Class A, Class C, Class R6 and Class I shares of the Fund. However, because Class R6 shares are not subject to sub-transfer agent and similar fees, the total annual operating expenses for the Class R6 shares will be less than the expense limitation. This expense limitation may be terminated or modified prior to July 31, 2028 only with the approval of the Board of Directors of the Fund. An index generally considered representative of the U.S. equity market. The index includes 500 leading companies and covers approximately 80% of available market capitalization. An index designed to measure the performance of U.S. large, mid and small-cap equity REITs. The index represents about 99% of the U.S. REIT universe and securities are classified under the Equity REITs Industry (under the Real Estate sector) according to the Global Industry Classification Standard (GICS), have core real estate exposure (i.e., only selected Specialized REITs are eligible which does not include cell tower REITs) and carry REIT tax status. A linked benchmark comprised of the return streams from the MSCI U.S. REIT Index through 9/30/2021, and thereafter 50% MSCI U.S. REIT Index, 50% MSCI USA IMI REITs Index. Represents the average annualized total return for all reporting funds in the Lipper Real Estate Funds Classification. The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. An index designed to measure the performance of large and mid-cap stocks across 23 developed and 24 emerging markets. An index designed to measure the performance of listed infrastructure companies from around the world. To create diversified exposure across the global listed infrastructure market, the index has balanced weights across three distinct infrastructure clusters: utilities, transportation, and energy.