|
2026 Quarterly Report
(Unaudited)
|
|
BlackRock California Municipal Series Trust
|
|
• BlackRock California Municipal Opportunities Fund
|
|
Not FDIC Insured • May Lose Value • No Bank Guarantee
|
|
Security
|
|
Shares
|
Value
|
|
Investment Companies
|
|||
|
Fixed Income Funds — 1.0%
|
|
||
|
iShares California Muni Bond ETF(a)(b)
|
|
420,000
|
$ 24,532,200
|
|
Total Investment Companies — 1.0%
(Cost: $24,532,074)
|
24,532,200
|
||
|
|
|
Par
(000)
|
|
|
Municipal Bonds
|
|||
|
California — 85.3%
|
|
||
|
Corporate — 13.6%
|
|
||
|
California Community Choice Financing Authority, RB
|
|
|
|
|
Sustainability Bonds, 5.00%, 12/01/35
|
$
|
24,500
|
27,591,028
|
|
Sustainability Bonds, 5.50%, 10/01/54(c)
|
|
14,315
|
15,731,839
|
|
Series A, Sustainability Bonds, 5.00%, 01/01/56(c)
|
|
15,000
|
16,069,491
|
|
Series B, Class B, Sustainability Bonds, 5.00%,
03/01/56(c)
|
|
45,000
|
49,984,222
|
|
Series D, Sustainability Bonds, 5.00%, 02/01/55(c)
|
|
20,110
|
22,249,071
|
|
Series E, Sustainability Bonds, 5.00%, 10/01/56(c)
|
|
60,000
|
67,196,417
|
|
Series E-1, Sustainability Bonds, 5.00%, 02/01/54(c)
|
|
51,000
|
55,156,429
|
|
Series F, Sustainability Bonds, 5.00%, 11/01/33
|
|
15,000
|
16,599,678
|
|
Series F, Sustainability Bonds, 5.00%, 02/01/55(c)
|
|
27,535
|
30,226,078
|
|
Series G, Sustainability Bonds, 5.00%, 11/01/55(c)
|
|
22,460
|
23,672,898
|
|
California Municipal Finance Authority, RB, Series B,
AMT, 3.25%, 07/01/51(c)
|
|
4,450
|
4,452,407
|
|
California Pollution Control Financing Authority, RB(c)(d)
|
|
|
|
|
Series A-1, AMT, 3.25%, 11/01/42
|
|
2,250
|
2,250,393
|
|
Series A2, AMT, 3.25%, 11/01/42
|
|
2,625
|
2,625,458
|
|
|
|
|
333,805,409
|
|
County/City/Special District/School District — 26.9%
|
|
||
|
Alameda County Fire Department, GO, 06/01/50
|
|
2,850
|
3,070,228
|
|
Benicia Unified School District, GO, Series B, Election
2024, 5.00%, 08/01/51
|
|
2,500
|
2,678,978
|
|
Brea Olinda Unified School District, GO, Series A,
5.00%, 08/01/49
|
|
2,050
|
2,200,304
|
|
Butte-Glenn Community College District, GO, Series D,
Election 2016, 5.00%, 08/01/50
|
|
7,205
|
7,735,126
|
|
California Infrastructure & Economic Development
Bank, Refunding RB, Series A, 1.60%, 10/01/29
|
|
3,575
|
3,344,453
|
|
Chabot-Las Positas Community College District, GO,
Series C, Election 2016, 5.25%, 08/01/48
|
|
14,310
|
15,454,723
|
|
Chaffey Community College District, GO, Series B-1,
Election 2018, 5.50%, 06/01/49
|
|
7,500
|
8,355,287
|
|
Chaffey Joint Union High School District, GO, Series H,
Election 2012, 5.00%, 08/01/49
|
|
3,045
|
3,268,540
|
|
Chino Valley Unified School District, GO, Series D,
5.00%, 08/01/49
|
|
3,075
|
3,300,742
|
|
Citrus Community College District, GO
|
|
|
|
|
Series B, Election 2020, 5.00%, 08/01/46
|
|
3,840
|
4,187,054
|
|
Series B, Election 2020, 5.00%, 08/01/49
|
|
1,680
|
1,802,090
|
|
City of Lake Elsinore California, ST
|
|
|
|
|
5.00%, 09/01/41
|
|
500
|
535,038
|
|
5.00%, 09/01/46
|
|
475
|
493,607
|
|
5.00%, 09/01/51
|
|
650
|
661,942
|
|
5.00%, 09/01/55
|
|
650
|
659,063
|
|
City of Sacramento California Transient Occupancy Tax
Revenue, RB, Series A, 5.00%, 06/01/48
|
|
10,000
|
10,278,303
|
|
City of San Jose California, GO
|
|
|
|
|
Series A, 5.00%, 09/01/48
|
|
5,810
|
6,336,068
|
|
Security
|
|
Par
(000)
|
Value
|
|
County/City/Special District/School District (continued)
|
|
||
|
City of San Jose California, GO (continued)
|
|
|
|
|
Series A, 5.00%, 09/01/49
|
$
|
8,920
|
$ 9,676,278
|
|
Series A, 5.00%, 09/01/50
|
|
7,535
|
8,157,894
|
|
Series A, 5.00%, 09/01/51
|
|
7,705
|
8,320,975
|
|
City of Wildomar, ST
|
|
|
|
|
5.00%, 09/01/46
|
|
325
|
336,460
|
|
5.00%, 09/01/51
|
|
600
|
610,105
|
|
5.00%, 09/01/55
|
|
550
|
558,507
|
|
Clovis Unified School District, GO, Series A, Election
2024, 5.00%, 08/01/50
|
|
4,665
|
4,921,260
|
|
Coast Community College District, GO, Series B,
Election 2002, (AGM), 0.00%, 08/01/30(e)
|
|
26,425
|
23,855,885
|
|
Cupertino Union School District, GO, Series A, Election
2024, 5.75%, 08/01/50
|
|
4,840
|
5,543,109
|
|
Del Mar Union School District, GO, Series B, Election
2018, 4.00%, 08/01/46
|
|
4,280
|
4,332,173
|
|
Desert Community College District, GO, Election 2016,
5.00%, 08/01/51
|
|
13,275
|
14,279,140
|
|
Foothill-De Anza Community College District, GO
|
|
|
|
|
Series D, Election 2020, 5.00%, 08/01/43
|
|
3,000
|
3,429,117
|
|
Series D, Election 2020, 5.00%, 08/01/44
|
|
3,150
|
3,548,853
|
|
Series D, Election 2020, 5.00%, 08/01/45
|
|
3,000
|
3,337,043
|
|
Fremont Unified School District/Alameda County
California, GO, Series A, Election 2024, 5.25%,
08/01/43
|
|
7,565
|
8,556,772
|
|
Fremont Union High School District, GO, Election
2022, 4.00%, 08/01/48
|
|
22,500
|
22,445,876
|
|
Glendale Community College District, GO, Series A,
Election 2024, 5.00%, 08/01/50
|
|
2,500
|
2,675,859
|
|
Los Angeles County Metropolitan Transportation
Authority Sales Tax Revenue, RB, Series A, 5.00%,
07/01/42
|
|
8,945
|
9,907,667
|
|
Los Angeles County Public Works Financing Authority
Refunding RB, Series H, 5.50%, 12/01/49
|
|
6,500
|
7,243,285
|
|
Los Gatos Union School District, GO, Election 2024,
5.00%, 08/01/52
|
|
12,275
|
13,072,179
|
|
Lucia Mar Unified School District, GO
|
|
|
|
|
Series D, Election 2016, 5.25%, 08/01/47
|
|
9,275
|
9,921,655
|
|
Series A, Election 2024, 08/01/51(f)
|
|
1,500
|
1,616,530
|
|
Maryland Community Development Administration, RB,
S/F Housing, Series B, Sustainability Bonds,
(FHLMC, FNMA, GNMA), 5.00%, 08/01/52
|
|
5,985
|
6,399,759
|
|
Modesto High School District, GO, Series B, Election
2022, 5.25%, 08/01/50
|
|
3,325
|
3,656,022
|
|
Mt San Antonio Community College District, GO,
Series A, Election 2024, 5.00%, 08/01/50
|
|
23,095
|
25,001,063
|
|
Salinas Union High School District, GO, Series B,
Election 2020, 5.00%, 08/01/48
|
|
9,410
|
10,155,436
|
|
San Bernardino Community College District, GO,
Series B, Election 2018, 5.00%, 08/01/49
|
|
14,000
|
14,748,219
|
|
San Diego Public Facilities Financing Authority,
Refunding RB
|
|
|
|
|
Series A, 5.00%, 10/15/47
|
|
15,000
|
16,272,397
|
|
Series A, 5.00%, 10/15/49
|
|
1,810
|
1,934,679
|
|
Series A, 5.00%, 10/15/50
|
|
24,035
|
25,676,788
|
|
San Diego Unified School District, GO
|
|
|
|
|
Series I, Election 2012, 5.00%, 07/01/47
|
|
4,750
|
4,839,638
|
|
Series C-3, Election 2022, 5.00%, 07/01/50
|
|
24,420
|
26,222,782
|
|
Series A-3, Sustainability Bonds, 5.00%, 07/01/48
|
|
14,500
|
15,534,202
|
|
Series N2, Sustainability Bonds, 5.00%, 07/01/48
|
|
5,990
|
6,417,233
|
|
Security
|
|
Par
(000)
|
Value
|
|
County/City/Special District/School District (continued)
|
|
||
|
San Francisco Bay Area Rapid Transit District, GO
|
|
|
|
|
Series A, Election 2016, Sustainability Bonds,
5.00%, 08/01/47
|
$
|
4,000
|
$ 4,071,537
|
|
Series D1, Sustainability Bonds, 5.25%, 08/01/47
|
|
11,805
|
12,698,535
|
|
San Francisco City & County Public Utilities
Commission Wastewater Revenue, RB, Series B,
Sustainability Bonds, 1.00%, 10/01/26(g)
|
|
27,880
|
27,737,787
|
|
San Jose Unified School District, GO, Series C,
Election 2002, (NPFGC), 0.00%, 06/01/31(e)
|
|
25,000
|
22,153,862
|
|
San Leandro Unified School District, GO, Series B,
5.25%, 08/01/48
|
|
8,335
|
9,001,060
|
|
San Luis Coastal Unified School District, GO, Series B,
Election 2022, 5.00%, 08/01/50
|
|
5,825
|
6,144,171
|
|
San Luis Obispo County Financing Authority,
Refunding RB, 5.50%, 11/15/47
|
|
5,165
|
5,672,960
|
|
San Marcos Unified School District, GO, Series A,
Election 2024, 5.25%, 08/01/50
|
|
13,250
|
14,460,324
|
|
San Mateo County Community College District, GO,
Series B, Election 2014, 5.00%, 09/01/45
|
|
24,000
|
24,942,732
|
|
San Mateo Foster City Public Financing Authority, RB,
4.00%, 05/01/45
|
|
4,000
|
4,006,155
|
|
San Mateo Foster City School District, GO
|
|
|
|
|
Series C, Election 2020, 5.00%, 08/01/43
|
|
2,380
|
2,655,032
|
|
Series C, Election 2020, 5.00%, 08/01/51
|
|
11,500
|
12,194,255
|
|
Santa Clara County Financing Authority, RB, Series A,
4.00%, 05/01/45
|
|
10,000
|
9,968,973
|
|
Santa Clarita Community College District, GO, Election
2016, 5.25%, 08/01/48
|
|
8,545
|
9,182,592
|
|
Santa Rosa High School District, GO, Series B, 5.25%,
08/01/50
|
|
8,265
|
8,995,640
|
|
Solano County Community College District, GO,
Series G, Election 2012, 5.00%, 08/01/50
|
|
6,330
|
6,816,291
|
|
Tamalpais Union High School District, GO
|
|
|
|
|
Series A, Election 2024, 4.00%, 08/01/46
|
|
13,420
|
13,607,812
|
|
Series A, Election 2024, 4.00%, 08/01/47
|
|
10,000
|
10,093,998
|
|
Series A, Election 2024, 4.00%, 08/01/48
|
|
7,965
|
8,012,243
|
|
Series A, Election 2024, 4.13%, 08/01/49
|
|
9,490
|
9,586,900
|
|
Series A, Election 2024, 4.13%, 08/01/50
|
|
12,000
|
12,087,010
|
|
Tracy Unified School District School Facilities
Improvement District No 3, GO, Series A, Election
2024, 5.00%, 08/01/50
|
|
2,635
|
2,835,288
|
|
Victor Valley Union High School District, GO, Series A,
Election 2024, 5.25%, 08/01/50
|
|
4,500
|
4,867,154
|
|
West Valley-Mission Community College District, GO
|
|
|
|
|
Series A, 4.00%, 08/01/44
|
|
8,345
|
8,374,230
|
|
Series B, 4.00%, 08/01/47
|
|
15,000
|
15,035,239
|
|
|
|
|
662,768,166
|
|
Education — 5.7%
|
|
||
|
California Infrastructure & Economic Development
Bank, RB, CAB, 0.00%, 01/01/60(e)
|
|
37,500
|
3,539,055
|
|
California Municipal Finance Authority, RB, 4.65%,
05/01/30
|
|
400
|
414,628
|
|
California Municipal Finance Authority, Refunding
RB(d)(h)(i)
|
|
|
|
|
5.00%, 08/01/39
|
|
835
|
628,893
|
|
5.00%, 08/01/48
|
|
1,795
|
1,197,849
|
|
California Public Finance Authority, RB, Series B,
5.00%, 07/01/26(d)
|
|
40
|
39,881
|
|
California School Finance Authority, RB, Series A,
6.00%, 07/01/51(d)
|
|
1,500
|
1,504,456
|
|
Security
|
|
Par
(000)
|
Value
|
|
Education (continued)
|
|
||
|
California School Finance Authority, Refunding RB,
Series A, 4.75%, 06/01/44(d)
|
$
|
810
|
$ 806,627
|
|
California State University, RB, Series A, 5.25%,
11/01/48
|
|
4,535
|
4,955,109
|
|
California State University, Refunding RB
|
|
|
|
|
Series A, 5.00%, 11/01/43
|
|
18,000
|
18,845,755
|
|
Series A, 5.25%, 11/01/50
|
|
32,000
|
35,335,846
|
|
Series B, 1.67%, 11/01/29
|
|
9,000
|
8,390,794
|
|
Series B, 1.85%, 11/01/31
|
|
6,750
|
6,066,578
|
|
Series D, 1.69%, 11/01/29
|
|
5,000
|
4,664,270
|
|
University of California, RB(f)
|
|
|
|
|
Series CE, 11/15/39
|
|
6,000
|
7,355,657
|
|
Series CE, 11/15/41
|
|
20,000
|
23,245,640
|
|
Series CF, 11/15/41
|
|
20,000
|
23,736,184
|
|
|
|
|
140,727,222
|
|
Health — 3.7%
|
|
||
|
California Health Facilities Financing Authority,
Refunding RB
|
|
|
|
|
Series A, 5.25%, 08/15/50
|
|
2,995
|
3,250,458
|
|
Series A-2, Class B, (BAM-TCRS), 4.00%, 11/01/44
|
|
4,000
|
3,932,657
|
|
Series B, 5.00%, 11/15/46
|
|
9,965
|
10,058,806
|
|
California Public Finance Authority, RB
|
|
|
|
|
Series A, 6.20%, 06/01/44(d)
|
|
11,380
|
11,412,062
|
|
Series A, 5.00%, 07/15/46
|
|
8,580
|
9,156,280
|
|
Series A, 6.50%, 06/01/54(d)
|
|
3,000
|
2,926,995
|
|
Series B, 8.25%, 06/01/33
|
|
12,930
|
13,487,817
|
|
California Public Finance Authority, Refunding RB,
Series A, 5.00%, 08/01/47
|
|
6,000
|
6,107,710
|
|
Regents of the University of California Medical Center
Pooled Revenue, RB, Series P, 5.00%, 05/15/47
|
|
28,130
|
29,902,511
|
|
|
|
|
90,235,296
|
|
Housing — 1.5%
|
|
||
|
California Housing Finance Agency, RB, M/F Housing
|
|
|
|
|
Subordinate, 8.00%, 12/01/56(c)
|
|
3,045
|
3,060,742
|
|
Series P-S, Subordinate, 8.00%, 07/01/67(c)(d)
|
|
5,395
|
5,491,810
|
|
Series A, Sustainability Bonds, 4.75%, 08/01/45
|
|
13,000
|
13,569,817
|
|
California Municipal Finance Authority, RB, M/F
Housing
|
|
|
|
|
6.00%, 02/01/38(c)
|
|
6,100
|
6,147,612
|
|
Series A, 6.10%, 12/01/37
|
|
6,000
|
6,162,521
|
|
Series A-S, Subordinate, 8.13%, 08/01/56(c)(d)
|
|
1,000
|
1,008,439
|
|
CSCDA Community Improvement Authority, RB, M/F
Housing, Sustainability Bonds, 4.00%, 07/01/58(d)
|
|
1,205
|
736,880
|
|
|
|
|
36,177,821
|
|
State — 3.4%
|
|
||
|
California State Public Works Board, RB
|
|
|
|
|
Series A, 5.00%, 04/01/49
|
|
42,215
|
45,188,726
|
|
Series A, 5.00%, 04/01/50
|
|
10,000
|
10,708,700
|
|
Series C, 5.00%, 11/01/50
|
|
5,000
|
5,372,895
|
|
State of California, GO, Class C, 5.00%, 11/01/50
|
|
5,000
|
5,382,280
|
|
State of California, Refunding GO
|
|
|
|
|
5.50%, 08/01/49
|
|
5,750
|
6,429,739
|
|
Class B, 5.10%, 09/01/35
|
|
10,000
|
10,592,438
|
|
|
|
|
83,674,778
|
|
Tobacco — 2.4%
|
|
||
|
California County Tobacco Securitization Agency,
Refunding RB, Series A, 5.00%, 06/01/47
|
|
2,595
|
2,482,851
|
|
California County Tobacco Securitization Agency,
Refunding RB, CAB, Series B-2, Subordinate,
0.00%, 06/01/55(e)
|
|
7,620
|
1,476,790
|
|
Security
|
|
Par
(000)
|
Value
|
|
Tobacco (continued)
|
|
||
|
California Statewide Financing Authority, RB(d)(e)
|
|
|
|
|
Series D, 0.00%, 06/01/55
|
$
|
20,750
|
$ 1,279,700
|
|
Series L, 0.00%, 06/01/55
|
|
91,500
|
5,710,936
|
|
Golden State Tobacco Securitization Corp., Refunding
RB
|
|
|
|
|
Class B, (SAP), 3.29%, 06/01/42
|
|
3,105
|
2,483,173
|
|
Series A-1, 3.71%, 06/01/41
|
|
4,135
|
3,348,680
|
|
Series A-1, Class A1, 3.49%, 06/01/36
|
|
1,310
|
1,144,890
|
|
Series B, 5.00%, 06/01/51
|
|
18,440
|
18,336,214
|
|
Golden State Tobacco Securitization Corp., Refunding
RB, CAB, Series B-2, Subordinate, 0.00%,
06/01/66(e)
|
|
104,805
|
11,173,838
|
|
Inland Empire Tobacco Securitization Corp., RB,
0.00%, 06/01/57(e)
|
|
34,680
|
2,758,454
|
|
Tobacco Securitization Authority of Southern California,
Refunding RB, 5.00%, 06/01/48
|
|
8,055
|
8,147,747
|
|
|
|
|
58,343,273
|
|
Transportation — 16.2%
|
|
||
|
Burbank-Glendale-Pasadena Airport Authority Brick
Campaign, ARB
|
|
|
|
|
Series B, 5.56%, 07/01/32
|
|
755
|
793,987
|
|
Series B, AMT, 5.25%, 07/01/49
|
|
11,875
|
12,587,323
|
|
California Infrastructure & Economic Development
Bank, RB, Class C, AMT, 3.50%, 01/01/65(c)(d)
|
|
12,000
|
12,004,039
|
|
California Infrastructure & Economic Development
Bank, Refunding RB, Class B, AMT, Sustainability
Bonds, 12.00%, 01/01/65(c)(d)
|
|
50,020
|
27,010,800
|
|
City of Los Angeles Department of Airports, ARB
|
|
|
|
|
Series A, AMT, 5.00%, 05/15/42
|
|
10,000
|
10,154,186
|
|
AMT, Sustainability Bonds, 5.25%, 05/15/47
|
|
23,500
|
24,666,796
|
|
Series E, Subordinate, 5.00%, 05/15/50
|
|
8,950
|
9,605,332
|
|
City of Los Angeles Department of Airports, Refunding
ARB
|
|
|
|
|
AMT, 5.50%, 05/15/47
|
|
7,000
|
7,446,244
|
|
AMT, Subordinate, 5.00%, 05/15/35
|
|
5,425
|
5,789,275
|
|
City of Los Angeles Department of Airports, Refunding
RB
|
|
|
|
|
Class D, Subordinate, 5.00%, 05/15/48
|
|
26,500
|
28,735,999
|
|
Series D, Subordinate, 5.25%, 05/15/48
|
|
2,545
|
2,829,340
|
|
Series D, Subordinate, 5.25%, 05/15/51
|
|
23,810
|
25,941,059
|
|
County of Sacramento California Airport System
Revenue, ARB
|
|
|
|
|
5.00%, 07/01/49
|
|
5,155
|
5,493,626
|
|
5.25%, 07/01/49
|
|
35,365
|
38,359,609
|
|
San Diego County Regional Airport Authority, ARB
|
|
|
|
|
AMT, 5.50%, 07/01/55
|
|
2,500
|
2,688,499
|
|
Series B, AMT, 5.00%, 07/01/47
|
|
2,250
|
2,264,267
|
|
Series B, AMT, 5.00%, 07/01/48
|
|
16,790
|
17,425,859
|
|
Series B, AMT, 5.25%, 07/01/50
|
|
18,790
|
19,869,585
|
|
Series B, AMT, Subordinate, 5.00%, 07/01/51
|
|
6,500
|
6,601,858
|
|
San Francisco City & County Airport Comm-San
Francisco International Airport, Refunding ARB
|
|
|
|
|
Series 2, Class A, AMT, 5.25%, 05/01/49
|
|
7,400
|
7,831,281
|
|
Series A, AMT, 5.00%, 05/01/38
|
|
10,350
|
10,923,360
|
|
Series A, AMT, 5.00%, 05/01/47
|
|
35,700
|
35,950,889
|
|
Series A, AMT, 5.50%, 05/01/55
|
|
3,220
|
3,464,285
|
|
Series B, AMT, 5.00%, 05/01/46
|
|
36,820
|
36,859,158
|
|
Series D, AMT, 5.00%, 05/01/43
|
|
16,440
|
16,868,430
|
|
Security
|
|
Par
(000)
|
Value
|
|
Transportation (continued)
|
|
||
|
San Francisco City & County Airport Comm-San
Francisco International Airport, Refunding
ARB (continued)
|
|
|
|
|
Series D, AMT, 5.25%, 05/01/48
|
$
|
3,900
|
$ 3,971,565
|
|
Series E, AMT, 5.00%, 05/01/37
|
|
4,000
|
4,237,345
|
|
San Francisco City & County Airport Comm-San
Francisco International Airport, Refunding RB,
Series D, AMT, 5.50%, 05/01/55
|
|
17,245
|
18,553,292
|
|
|
|
|
398,927,288
|
|
Utilities — 11.9%
|
|
||
|
City of Los Angeles California Wastewater System
Revenue, Refunding RB
|
|
|
|
|
Series A, 5.00%, 06/01/44
|
|
10,000
|
11,306,161
|
|
Series A, Subordinate, 5.25%, 06/01/50
|
|
17,040
|
18,752,612
|
|
City of Modesto California Wastewater Revenue, RB,
5.00%, 11/01/50
|
|
6,975
|
7,487,687
|
|
City of San Francisco CA Public Utilities Commission
Water Revenue Refunding RB, Series E, 5.25%,
11/01/55
|
|
15,000
|
16,334,886
|
|
City of San Francisco California Public Utilities
Commission Water Revenue, Refunding RB
|
|
|
|
|
5.25%, 11/01/48
|
|
5,505
|
6,041,782
|
|
Class D, 5.00%, 11/01/51
|
|
30,775
|
33,101,916
|
|
East Bay Municipal Utility District Water System
Revenue, RB
|
|
|
|
|
Series A, Sustainability Bonds, 5.00%, 06/01/42
|
|
11,000
|
11,269,867
|
|
Series A, Sustainability Bonds, 5.00%, 06/01/49
|
|
15,000
|
16,123,151
|
|
Series A, Sustainability Bonds, 5.00%, 06/01/50
|
|
20,000
|
21,658,080
|
|
Series A, Sustainability Bonds, 06/01/55(f)
|
|
12,600
|
13,511,408
|
|
Series A, Sustainability Bonds, 5.00%, 06/01/55
|
|
1,140
|
1,222,461
|
|
East Bay Municipal Utility District Water System
Revenue, Refunding RB, Series B, 5.00%, 06/01/43
|
|
4,505
|
5,193,985
|
|
Imperial Irrigation District Electric System Revenue,
Refunding RB, 5.00%, 11/01/50
|
|
7,275
|
7,809,738
|
|
Metropolitan Water District of Southern California,
Refunding RB
|
|
|
|
|
Series A, 5.00%, 04/01/48
|
|
7,095
|
7,602,495
|
|
Series A, 5.00%, 10/01/49
|
|
5,000
|
5,179,843
|
|
Modesto Irrigation District, RB
|
|
|
|
|
Series A, 5.25%, 10/01/43
|
|
6,605
|
7,467,798
|
|
Series A, 5.25%, 10/01/48
|
|
5,055
|
5,495,666
|
|
Sacramento County Water Financing Authority, RB,
5.00%, 06/01/50
|
|
9,005
|
9,600,371
|
|
Sacramento Municipal Utility District, Refunding RB,
Series H, Sustainability Bonds, 5.00%, 08/15/50
|
|
20,000
|
20,806,602
|
|
San Diego Public Facilities Financing Authority, RB
|
|
|
|
|
Series A, 5.00%, 05/15/49
|
|
3,390
|
3,650,713
|
|
Series A, Subordinate, 5.00%, 05/15/47
|
|
6,625
|
7,108,789
|
|
San Diego Public Facilities Financing Authority,
Refunding RB
|
|
|
|
|
Series A, 5.25%, 08/01/48
|
|
8,385
|
9,196,655
|
|
Series A, Subordinate, 5.00%, 08/01/43
|
|
1,000
|
1,044,175
|
|
San Francisco City & County Public Utilities
Commission Wastewater Revenue, RB, Series A,
Sustainability Bonds, 4.66%, 10/01/27
|
|
16,710
|
16,971,112
|
|
San Francisco City & County Public Utilities
Commission Wastewater Revenue, Refunding RB,
Series C, Sustainability Bonds, 5.00%, 10/01/49
|
|
5,550
|
6,001,989
|
|
Security
|
|
Par
(000)
|
Value
|
|
Utilities (continued)
|
|
||
|
San Jose Financing Authority, Refunding RB, Series B,
Sustainability Bonds, 5.00%, 11/01/47
|
$
|
2,000
|
$ 2,148,602
|
|
State of California Department of Water Resources.
Refunding RB, Series A, 5.00%, 12/01/51
|
|
20,350
|
22,035,821
|
|
|
|
|
294,124,365
|
|
Total Municipal Bonds in California
|
2,098,783,618
|
||
|
District of Columbia — 0.0%
|
|
||
|
Tobacco — 0.0%
|
|
||
|
District of Columbia Tobacco Settlement Financing
Corp., RB, Series A, 0.00%, 06/15/46(e)
|
|
2,125
|
511,013
|
|
Florida(c)(d)(h)(i) — 0.2%
|
|
||
|
Transportation — 0.2%
|
|
||
|
Florida Development Finance Corp., RB, Series A,
AMT, 12.00%, 07/15/59
|
|
6,470
|
2,264,500
|
|
Florida Development Finance Corp., Refunding RB,
AMT, 12.00%, 07/15/32
|
|
4,785
|
1,674,750
|
|
Total Municipal Bonds in Florida
|
3,939,250
|
||
|
Ohio — 0.3%
|
|
||
|
Tobacco — 0.3%
|
|
||
|
Buckeye Tobacco Settlement Financing Authority,
Refunding RB, Series B-2, Class 2, 5.00%,
06/01/55
|
|
9,130
|
7,538,769
|
|
Puerto Rico — 4.8%
|
|
||
|
State — 3.2%
|
|
||
|
Commonwealth of Puerto Rico, GO
|
|
|
|
|
Series A-1, Restructured, 5.63%, 07/01/29
|
|
829
|
885,409
|
|
Series A-1, Restructured, 5.75%, 07/01/31
|
|
805
|
894,178
|
|
Series A-1, Restructured, 4.00%, 07/01/35
|
|
1,723
|
1,751,113
|
|
Series A-1, Restructured, 4.00%, 07/01/37
|
|
1,479
|
1,480,614
|
|
Series A-1, Restructured, 4.00%, 07/01/41
|
|
431
|
417,957
|
|
Series A-1, Restructured, 4.00%, 07/01/46
|
|
2,091
|
1,885,131
|
|
Commonwealth of Puerto Rico, GO, CAB, Series A,
Restructured, 0.00%, 07/01/33(e)
|
|
2,467
|
1,823,687
|
|
Commonwealth of Puerto Rico, Notes(c)
|
|
|
|
|
0.00%, 11/01/51(h)(i)
|
|
34,472
|
21,286,398
|
|
0.00%, 11/01/51
|
|
20,857
|
6,622,097
|
|
Puerto Rico Sales Tax Financing Corp., Sales Tax
Revenue, RB
|
|
|
|
|
Series A-1, Restructured, 4.75%, 07/01/53
|
|
15,728
|
15,305,601
|
|
Series A-2, Restructured, 4.54%, 07/01/53
|
|
114
|
106,745
|
|
Series A-2, Restructured, 4.78%, 07/01/58
|
|
12,102
|
11,700,300
|
|
Puerto Rico Sales Tax Financing Corp., Sales Tax
Revenue, RB, CAB(e)
|
|
|
|
|
Series A-1, Restructured, 0.00%, 07/01/29
|
|
1,117
|
1,006,302
|
|
Series A-1, Restructured, 0.00%, 07/01/33
|
|
3,239
|
2,513,239
|
|
Series A-1, Restructured, 0.00%, 07/01/46
|
|
23,633
|
8,458,043
|
|
Series B-1, Restructured, 0.00%, 07/01/46
|
|
5,761
|
2,061,811
|
|
|
|
|
78,198,625
|
|
Tobacco — 0.2%
|
|
||
|
Children’s Trust Fund, RB, Series A, 0.00%,
05/15/57(e)
|
|
89,730
|
4,405,609
|
|
Utilities(h)(i) — 1.4%
|
|
||
|
Puerto Rico Electric Power Authority, RB
|
|
|
|
|
Series A, 6.75%, 07/01/36
|
|
7,630
|
5,083,487
|
|
Security
|
|
Par
(000)
|
Value
|
|
Utilities (continued)
|
|
||
|
Puerto Rico Electric Power Authority, RB (continued)
|
|
|
|
|
Series A-3, 10.00%, 07/01/19
|
$
|
2,137
|
$ 1,426,122
|
|
Series B-3, 10.00%, 07/01/19
|
|
2,137
|
1,426,122
|
|
Series C-1, 5.40%, 01/01/18
|
|
5,870
|
3,918,190
|
|
Series C-2, 5.40%, 07/01/18
|
|
5,871
|
3,918,824
|
|
Series C-3, 5.40%, 01/01/20
|
|
593
|
396,129
|
|
Series C-4, 5.40%, 07/01/20
|
|
593
|
396,129
|
|
Series CCC, 5.25%, 07/01/28
|
|
955
|
636,269
|
|
Series D-4, 7.50%, 07/01/20
|
|
4,342
|
2,898,474
|
|
Series TT, 5.00%, 07/01/26
|
|
1,285
|
856,131
|
|
Series WW, 5.50%, 07/01/17
|
|
1,315
|
877,762
|
|
Series WW, 5.50%, 07/01/18
|
|
1,155
|
770,962
|
|
Series WW, 5.50%, 07/01/19
|
|
935
|
624,113
|
|
Series WW, 5.38%, 07/01/24
|
|
875
|
584,063
|
|
Series WW, 5.25%, 07/01/33
|
|
885
|
589,631
|
|
Series WW, 5.50%, 07/01/38
|
|
1,170
|
779,512
|
|
Series XX, 5.25%, 07/01/17
|
|
645
|
429,731
|
|
Series XX, 5.25%, 07/01/35
|
|
400
|
266,500
|
|
Series XX, 5.75%, 07/01/36
|
|
555
|
369,769
|
|
Series XX, 5.25%, 07/01/40
|
|
745
|
496,356
|
|
Puerto Rico Electric Power Authority, Refunding RB
|
|
|
|
|
Series AAA, 5.25%, 07/01/27
|
|
3,150
|
2,098,687
|
|
Series AAA, 5.25%, 07/01/29
|
|
530
|
353,113
|
|
Series UU, 0.00%, 07/01/17(c)
|
|
395
|
263,663
|
|
Series UU, 0.00%, 07/01/18(c)
|
|
355
|
236,963
|
|
Series UU, 1.00%, 07/01/31(c)
|
|
2,765
|
1,842,181
|
|
Series YY, 6.13%, 07/01/40
|
|
4,060
|
2,704,975
|
|
Series ZZ, 5.00%, 07/01/28
|
|
990
|
659,588
|
|
Series ZZ, 5.00%, 12/29/49
|
|
925
|
617,438
|
|
|
|
|
35,520,884
|
|
Total Municipal Bonds in Puerto Rico
|
118,125,118
|
||
|
Wisconsin — 0.4%
|
|
||
|
Transportation — 0.4%
|
|
||
|
Public Finance Authority, RB, Series A, AMT, Senior
Lien, 5.75%, 07/01/49
|
|
10,245
|
10,808,367
|
|
Total Municipal Bonds — 91.0%
(Cost: $2,235,065,375)
|
2,239,706,135
|
||
|
|
|
Shares
|
|
|
Warrants
|
|||
|
Construction & Engineering — 0.0%
|
|
||
|
Brightline West, (Expires 11/26/35, Strike Price USD
5.00)(i)(j)
|
|
416,612
|
833,224
|
|
Total Warrants — 0.0%
(Cost: $ — )
|
833,224
|
||
|
Total Long-Term Investments — 92.0%
(Cost: $2,259,597,449)
|
2,265,071,559
|
||
|
Security
|
|
Shares
|
Value
|
|
Short-Term Securities
|
|||
|
Money Market Funds — 2.5%
|
|
||
|
BlackRock Liquidity Funds, MuniCash, Institutional
Shares, 1.72%(a)(b)
|
|
60,605,948
|
$ 60,612,009
|
|
|
|
Par
(000)
|
|
|
U.S. Treasury Obligations — 8.1%
|
|
||
|
U.S. Treasury Bills, 3.66%, 03/10/26(k)
|
$
|
200,000
|
199,838,814
|
|
Total Short-Term Securities — 10.6%
(Cost: $260,431,640)
|
260,450,823
|
||
|
Total Investments — 102.6%
(Cost: $2,520,029,089)
|
2,525,522,382
|
||
|
Liabilities in Excess of Other Assets — (2.6)%
|
(63,578,226
)
|
||
|
Net Assets — 100.0%
|
$ 2,461,944,156
|
||
|
(a)
|
Affiliate of the Fund.
|
|
(b)
|
Annualized 7-day yield as of period end.
|
|
(c)
|
Variable rate security. Interest rate resets periodically. The rate shown is the effective
interest rate as of period end. Security description also includes the reference rate
and
spread if published and available.
|
|
(d)
|
Security exempt from registration pursuant to Rule 144A under the Securities Act of
1933,
as amended. These securities may be resold in transactions exempt from registration
to
qualified institutional investors.
|
|
(e)
|
Zero-coupon bond.
|
|
(f)
|
When-issued security.
|
|
(g)
|
Security is collateralized by municipal bonds or U.S. Treasury obligations.
|
|
(h)
|
Issuer filed for bankruptcy and/or is in default.
|
|
(i)
|
Non-income producing security.
|
|
(j)
|
Security is valued using significant unobservable inputs and is classified as Level
3 in the
fair value hierarchy.
|
|
(k)
|
Rates are discount rates or a range of discount rates as of period end.
|
|
Affiliated Issuer
|
Value at
05/31/25
|
Purchases
at Cost
|
Proceeds
from Sales
|
Net
Realized
Gain (Loss)
|
Change in
Unrealized
Appreciation
(Depreciation)
|
Value at
02/28/26
|
Shares
Held at
02/28/26
|
Income
|
Capital Gain
Distributions
from
Underlying
Funds
|
|
BlackRock Liquidity Funds, MuniCash, Institutional
Shares
|
$ 186,656,608
|
$ —
|
$ (126,044,599
)(a)
|
$ —
|
$ —
|
$ 60,612,009
|
60,605,948
|
$ 1,526,262
|
$ —
|
|
iShares California Muni Bond ETF
|
—
|
24,532,074
|
—
|
—
|
126
|
24,532,200
|
420,000
|
—
|
—
|
|
|
|
|
|
$ —
|
$ 126
|
$ 85,144,209
|
|
$ 1,526,262
|
$ —
|
|
(a)
|
Represents net amount purchased (sold).
|
|
|
Level 1
|
Level 2
|
Level 3
|
Total
|
|
Assets
|
|
|
|
|
|
Investments
|
|
|
|
|
|
Long-Term Investments
|
|
|
|
|
|
Investment Companies
|
$ 24,532,200
|
$ —
|
$ —
|
$ 24,532,200
|
|
Municipal Bonds
|
—
|
2,239,706,135
|
—
|
2,239,706,135
|
|
Warrants
|
—
|
—
|
833,224
|
833,224
|
|
Short-Term Securities
|
|
|
|
|
|
Money Market Funds
|
60,612,009
|
—
|
—
|
60,612,009
|
|
U.S. Treasury Obligations
|
—
|
199,838,814
|
—
|
199,838,814
|
|
|
$85,144,209
|
$2,439,544,949
|
$833,224
|
$2,525,522,382
|
|
Portfolio Abbreviation
|
|
|
AGM
|
Assured Guaranty Municipal Corp.
|
|
AMT
|
Alternative Minimum Tax
|
|
ARB
|
Airport Revenue Bonds
|
|
BAM-TCRS
|
Build America Mutual Assurance Co. - Transferable
Custodial Receipts
|
|
CAB
|
Capital Appreciation Bonds
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ETF
|
Exchange-Traded Fund
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FHLMC
|
Federal Home Loan Mortgage Corp.
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FNMA
|
Federal National Mortgage Association
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GNMA
|
Government National Mortgage Association
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GO
|
General Obligation Bonds
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M/F
|
Multi-Family
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MT
|
Mandatory Tender
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NPFGC
|
National Public Finance Guarantee Corp.
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RB
|
Revenue Bonds
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S/F
|
Single-Family
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SAP
|
Subject to Appropriations
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ST
|
Special Tax
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