NPORT-P false 0000798244 XXXXXXXX S000000769 C000002270 C000002265 C000002268 C000002259 C000002264 C000033014 C000002266 C000002260 C000002271 MFS SERIES TRUST I 811-04777 0000798244 549300QRB5FQ35HH3533 111 HUNTINGTON AVENUE BOSTON 02199 617-954-5000 MFS Value Fund S000000769 HV6C0RMURVKFUQ3UTB42 2026-08-31 2026-02-28 N 56054115433.14 19752003.96 56034363429.18 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 N Honeywell International Inc ISRPG12PN4EIEOEMW547 438516106 3197017.00000000 NS USD 778761371.03000000 1.389792483346 Long EC CORP US N 1 N N N Salesforce Inc RCGZFPDMRW58VJ54VR07 79466L302 1489863.00000000 NS USD 290210413.77000000 0.517915072126 Long EC CORP US N 1 N N N Blackrock Inc 529900VBK42Y5HHRMD23 09290D101 758464.00000000 NS USD 806421678.72000000 1.439155599115 Long EC CORP US N 1 N N N Accenture PLC 5493000EWHDSR3MZWH98 000000000 3709384.00000000 NS USD 774222628.48000000 1.381692556315 Long EC CORP IE N 1 N N N American Electric Power Co Inc 1B4S6S7G0TW5EE83BO58 025537101 2185610.00000000 NS USD 292478330.20000000 0.521962439297 Long EC CORP US N 1 N N N Progressive Corp/The 529900TACNVLY9DCR586 743315103 7896352.00000000 NS USD 1687134568.32000000 3.010892718451 Long EC CORP US N 1 N N N Dominion Energy Inc ILUL7B6Z54MRYCF6H308 25746U109 15695183.00000000 NS USD 990993854.62000000 1.768546645260 Long EC CORP US N 1 N N N Union Pacific Corp 549300LMMRSZZCZ8CL11 907818108 3833404.00000000 NS USD 1015775391.92000000 1.812772252162 Long EC CORP US N 1 N N N Johnson & Johnson 549300G0CFPGEF6X2043 478160104 6768243.00000000 NS USD 1681434608.49000000 3.000720460784 Long EC CORP US N 1 N N N Philip Morris International Inc HL3H1H2BGXWVG3BSWR90 718172109 2567693.00000000 NS USD 479722083.19000000 0.856121233172 Long EC CORP US N 1 N N N Wells Fargo & Co PBLD0EJDB5FWOLXP3B76 949746101 9116690.00000000 NS USD 742554400.50000000 1.325176829105 Long EC CORP US N 1 N N N NextEra Energy Inc 254900RHL9MEUS5NKX63 65339F101 4737027.00000000 NS USD 444191021.79000000 0.792711819331 Long EC CORP US N 1 N N N AbbVie Inc FR5LCKFTG8054YNNRU85 00287Y109 3555484.00000000 NS USD 825156726.72000000 1.472590525210 Long EC CORP US N 1 N N N EOG Resources Inc XWTZDRYZPBUHIQBKDB46 26875P101 3234178.00000000 NS USD 401296806.24000000 0.716161979331 Long EC CORP US N 1 N N N Citigroup Inc 6SHGI4ZSSLCXXQSBB395 172967424 9067393.00000000 NS USD 999136034.67000000 1.783077335986 Long EC CORP US N 1 N N N Chubb Ltd E0JAN6VLUDI1HITHT809 000000000 3027669.00000000 NS USD 1032011255.34000000 1.841747085508 Long EC CORP CH N 1 N N N PNC Financial Services Group Inc/The CFGNEKW0P8842LEUIA51 693475105 4583249.00000000 NS USD 973252925.15000000 1.736885842167 Long EC CORP US N 1 N N N General Dynamics Corp 9C1X8XOOTYY2FNYTVH06 369550108 3215481.00000000 NS USD 1148087491.05000000 2.048898962689 Long EC CORP US N 1 N N N Xcel Energy Inc LGJNMI9GH8XIDG5RCM61 98389B100 9334514.00000000 NS USD 778125087.04000000 1.388656958731 Long EC CORP US N 1 N N N Marriott International Inc/MD 225YDZ14ZO8E1TXUSU86 571903202 2724378.00000000 NS USD 931001693.94000000 1.661483484356 Long EC CORP US N 1 N N N PepsiCo Inc FJSUNZKFNQ5YPJ5OT455 713448108 3964011.00000000 NS USD 672851227.14000000 1.200783208665 Long EC CORP US N 1 N N N Texas Instruments Inc WDJNR2L6D8RWOEB8T652 882508104 3257225.00000000 NS USD 690889994.75000000 1.232975539417 Long EC CORP US N 1 N N N Prologis Inc 529900DFH19P073LZ636 74340W103 7635176.00000000 NS USD 1088547042.32000000 1.942641935596 Long EC CORP US N 1 N N N Southern Co/The 549300FC3G3YU2FBZD92 842587107 8459789.00000000 NS USD 823814252.82000000 1.470194720532 Long EC CORP US N 1 N N N Elevance Health Inc 8MYN82XMYQH89CTMTH67 036752103 1513108.00000000 NS USD 484194560.00000000 0.864102901092 Long EC CORP US N 1 N N N NXP Semiconductors NV 724500M9BY5293JDF951 000000000 3618103.00000000 NS USD 821345562.03000000 1.465789047586 Long EC CORP NL N 1 N N N Lowe's Cos Inc WAFCR4OKGSC504WU3E95 548661107 4094338.00000000 NS USD 1083239004.66000000 1.933169109753 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 702729.00000000 NS USD 275989787.46000000 0.492536669589 Long EC CORP US N 1 N N N POUND STERLING N/A 000000000 44.40000000 NS 59.84000000 0.000000106791 Long GB N 1 N N N Trane Technologies PLC 549300BURLR9SLYY2705 000000000 371181.00000000 NS USD 171604399.92000000 0.306248504343 Long EC CORP IE N 1 N N N Chevron Corp N/A 166764100 4473138.00000000 NS USD 835403252.88000000 1.490876672375 Long EC CORP US N 1 N N N Cigna Group/The 549300VIWYMSIGT1U456 125523100 5600130.00000000 NS USD 1623029676.60000000 2.896489898830 Long EC CORP US N 1 N N N Reckitt Benckiser Group PLC 5493003JFSMOJG48V108 000000000 4509294.00000000 NS 395731215.47000000 0.706229519266 Long EC CORP GB N 1 N N N Marsh & McLennan Cos Inc 549300XMP3KDCKJXIU47 571748102 5308032.00000000 NS USD 991221895.68000000 1.768953611711 Long EC CORP US N 1 N N N Ares Management Corp 529900JUV61FH7B8VW38 03990B101 1835862.00000000 NS USD 205634902.62000000 0.366979992339 Long EC CORP US N 1 N N N Public Storage 254900GLQZAD4N7N5Q19 74460D109 543319.00000000 NS USD 166831532.14000000 0.297730752934 Long EC CORP US N 1 N N N PACCAR Inc KDTEY8BWE486IKZ3CC07 693718108 5886745.00000000 NS USD 742259677.05000000 1.324650859981 Long EC CORP US N 1 N N N Exxon Mobil Corp J3WHBG0MTS7O8ZVMDC91 30231G102 8893624.00000000 NS USD 1356277660.00000000 2.420439132344 Long EC CORP US N 1 N N N Nestle SA KY37LUS27QQX7BB93L28 000000000 3408707.00000000 NS 372326479.63000000 0.664460978664 Long EC CORP CH N 1 N N N PG&E Corp 8YQ2GSDWYZXO2EDN3511 69331C108 38281889.00000000 NS USD 727355891.00000000 1.298053277466 Long EC CORP US N 1 N N N Abbott Laboratories HQD377W2YR662HK5JX27 002824100 7174314.00000000 NS USD 834731433.90000000 1.489677731335 Long EC CORP US N 1 N N N Kenvue Inc 5493008HSF8L4M2LIJ82 49177J102 7679419.00000000 NS USD 146830491.28000000 0.262036511694 Long EC CORP US N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 391829974.54000000 NS USD 391869157.54000000 0.699337216590 Long EC RF US N 1 N N N Sherwin-Williams Co/The Z15BMIOX8DDH0X2OBP21 824348106 639568.00000000 NS USD 231900961.12000000 0.413854904255 Long EC CORP US N 1 N N N Analog Devices Inc GYVOE5EZ4GDAVTU4CQ61 032654105 3629527.00000000 NS USD 1291349411.33000000 2.304566934113 Long EC CORP US N 1 N N N Illinois Tool Works Inc 76NA4I14SZCFAYMNSV04 452308109 2182122.00000000 NS USD 634190116.86000000 1.131787849542 Long EC CORP US N 1 N N N Duke Energy Corp I1BZKREC126H0VB1BL91 26441C204 8680979.00000000 NS USD 1135906102.15000000 2.027159822357 Long EC CORP US N 1 N N N Pfizer Inc 765LHXWGK1KXCLTFYQ30 717081103 16296530.00000000 NS USD 450599054.50000000 0.804147717443 Long EC CORP US N 1 N N N RTX Corp I07WOS4YJ0N7YRFE7309 75513E101 7712489.00000000 NS USD 1562704521.18000000 2.788832469124 Long EC CORP US N 1 N N N KKR & Co Inc 54930013V5I303TF9571 48251W104 7045893.00000000 NS USD 617783898.24000000 1.102508997038 Long EC CORP US N 1 N N N Boeing Co/The RVHJWBXLJ1RFUBSY1F30 097023105 5803876.00000000 NS USD 1320555906.28000000 2.356689405330 Long EC CORP US N 1 N N N Aon PLC 635400FALWQYX5E6QC64 000000000 2619427.00000000 NS USD 878739175.69000000 1.568214791626 Long EC CORP IE N 1 N N N LPL Financial Holdings Inc 549300XROQ4Y8G2L7682 50212V100 1122714.00000000 NS USD 337240831.32000000 0.601846457569 Long EC CORP US N 1 N N N Medline Inc 984500FAN6J1P8566D43 58507V107 2051182.00000000 NS USD 97451656.82000000 0.173914096379 Long EC CORP US N 1 N N N Morgan Stanley IGJSJL3JD5P30I6NJZ34 617446448 7142122.00000000 NS USD 1189234734.22000000 2.122331122263 Long EC CORP US N 1 N N N Caterpillar Inc WRJR7GS4GTRECRRTVX92 149123101 604447.00000000 NS USD 449001365.01000000 0.801296450128 Long EC CORP US N 1 N N N Diageo PLC 213800ZVIELEA55JMJ32 000000000 6705331.00000000 NS 150230890.15000000 0.268104928754 Long EC CORP GB N 1 N N N Otis Worldwide Corp 549300ZLBKR8VSU25153 68902V107 1643371.00000000 NS USD 152110419.76000000 0.271459173355 Long EC CORP US N 1 N N N KLA Corp 549300H0BF5JCG96TJ81 482480100 711981.00000000 NS USD 1085450633.55000000 1.937116025101 Long EC CORP US N 1 N N N Northrop Grumman Corp RIMU48P07456QXSO0R61 666807102 1067880.00000000 NS USD 773550914.40000000 1.380493802481 Long EC CORP US N 1 N N N McKesson Corp 549300WZWOM80UCFSF54 58155Q103 1946120.00000000 NS USD 1921540504.40000000 3.429218049079 Long EC CORP US N 1 N N N Humana Inc 529900YLDW34GJAO4J06 444859102 1685553.00000000 NS USD 321165268.62000000 0.573157699963 Long EC CORP US N 1 N N N Nasdaq Inc 549300L8X1Q78ERXFD06 631103108 11630346.00000000 NS USD 1018585702.68000000 1.817787586660 Long EC CORP US N 1 N N N WW Grainger Inc 549300TWZSP6O1IH2V34 384802104 270293.00000000 NS USD 309412505.89000000 0.552183494117 Long EC CORP US N 1 N N N Equifax Inc 5493004MCF8JDC86VS77 294429105 2966145.00000000 NS USD 619805659.20000000 1.106117070435 Long EC CORP US N 1 N N N Kimberly-Clark Corp MP3J6QPYPGN75NVW2S34 494368103 4128645.00000000 NS USD 460096198.80000000 0.821096503365 Long EC CORP US N 1 N N N Travelers Cos Inc/The 549300Y650407RU8B149 89417E109 3477004.00000000 NS USD 1073142514.56000000 1.915150719819 Long EC CORP US N 1 N N N Coca-Cola Europacific Partners PLC 549300LTH67W4GWMRF57 000000000 3076079.00000000 NS USD 339691403.97000000 0.606219796534 Long EC CORP GB N 1 N N N CRH PLC 549300MIDJNNTH068E74 000000000 3735053.00000000 NS USD 448131658.94000000 0.799744355990 Long EC CORP IE N 1 N N N JPMorgan Chase & Co 8I5DZWZKVSZI1NUHU748 46625H100 7926039.00000000 NS USD 2380189511.70000000 4.247731866728 Long EC CORP US N 1 N N N American Express Co R4PP93JZOLY261QX3811 025816109 3362780.00000000 NS USD 1038762742.00000000 1.853795918129 Long EC CORP US N 1 N N N Eaton Corp PLC 549300VDIGTMXUNT7H71 000000000 1584722.00000000 NS USD 595728694.24000000 1.063148856849 Long EC CORP IE N 1 N N N ConocoPhillips WPTL2Z3FIYTHSP5V2253 20825C104 9279302.00000000 NS USD 1052829604.92000000 1.878899911570 Long EC CORP US N 1 N N N 2026-03-13 MFS SERIES TRUST I James Byrne James Byrne Assistant Treasurer