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BlackRock Muniholdings California Quality Fund, Inc.

MUC
Exchange
NYSE
SEC CIK
0001051004

No open-market purchases or sales by BlackRock Muniholdings California Quality Fund, Inc. insiders were filed in the last 90 days; 135 institutions reported holding it in 13F filings for Q2 2026, worth $363.2M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in BlackRock Muniholdings California Quality Fund, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
139
+28 vs. Q4 2025
Shares held
34.6M
+5.69M (+19.7%) vs. Q4 2025
Total value
$360.2M
+$53.8M (+17.6%) vs. Q4 2025
New holders
43
57 more added
Sold out
15
20 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MUC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 139 institutions
Q1 2021: 48 institutionsQ2 2021: 54 institutionsQ3 2021: 46 institutionsQ4 2021: 50 institutionsQ1 2022: 56 institutionsQ2 2022: 93 institutionsQ3 2022: 82 institutionsQ4 2022: 90 institutionsQ1 2023: 91 institutionsQ2 2023: 90 institutionsQ3 2023: 92 institutionsQ4 2023: 93 institutionsQ1 2024: 99 institutionsQ2 2024: 94 institutionsQ3 2024: 94 institutionsQ4 2024: 112 institutionsQ1 2025: 102 institutionsQ2 2025: 98 institutionsQ3 2025: 93 institutionsQ4 2025: 112 institutionsQ1 2026: 139 institutionsQ2 2026: 135 institutions
Value heldQ1 2026: $360.2M
Q1 2021: $115.1MQ2 2021: $125.2MQ3 2021: $117.5MQ4 2021: $117.2MQ1 2022: $108.1MQ2 2022: $227.0MQ3 2022: $197.5MQ4 2022: $222.9MQ1 2023: $248.8MQ2 2023: $270.3MQ3 2023: $262.9MQ4 2023: $330.9MQ1 2024: $309.1MQ2 2024: $307.2MQ3 2024: $310.8MQ4 2024: $307.6MQ1 2025: $308.8MQ2 2025: $291.5MQ3 2025: $304.0MQ4 2025: $306.4MQ1 2026: $360.2MQ2 2026: $363.2M
Institutions holding MUC and their total value by quarter
QuarterHoldersValue
Q2 2026135$363.2M
Q1 2026139$360.2M
Q4 2025112$306.4M
Q3 202593$304.0M
Q2 202598$291.5M
Q1 2025102$308.8M
Q4 2024112$307.6M
Q3 202494$310.8M
Q2 202494$307.2M
Q1 202499$309.1M
Q4 202393$330.9M
Q3 202392$262.9M
Q2 202390$270.3M
Q1 202391$248.8M
Q4 202290$222.9M
Q3 202282$197.5M
Q2 202293$227.0M
Q1 202256$108.1M
Q4 202150$117.2M
Q3 202146$117.5M
Q2 202154$125.2M
Q1 202148$115.1M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding BlackRock Muniholdings California Quality Fund, Inc.; share changes are against Q4 2025.

Institutions holding MUC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Cetera Investment Advisers75,751$787.8K0.00%−24,657−24.6%Reduced
Matisse Capital78,600$817.4K0.35%00.0%Unchanged
Baird Financial Group, Inc.86,804$902.8K0.00%+49,243+131.1%Added
Ballast Rock Private Wealth LLC91,705$958.6K0.53%+49,752+118.6%Added
Summit Trail Advisors, LLC109,315$1.14M0.02%+99,062+966.2%Added
Raymond James Financial Inc115,452$1.20M0.00%+54,078+88.1%Added
Wedbush Securities Inc120,432$1.25M0.04%+45,575+60.9%Added
Cypress Wealth Services, LLC120,939$1.26M0.18%+58,500+93.7%Added
Sit Investment Associates Inc129,918$1.35M0.03%+3,178+2.5%Added
Diligent Investors, LLC145,275$1.51M0.37%+8,231+6.0%Added
Mackay Shields LLC146,840$1.53M0.06%−834,486−85.0%Reduced
WESCAP Management Group, Inc.149,557$1.56M0.31%+27,058+22.1%Added
Trilogy Capital Inc.167,599$1.74M0.08%+167,599New
Melfa Wealth Management, LLC180,332$1.88M1.08%+77,829+75.9%Added
Royal Bank of Canada181,076$1.88M0.00%+44,769+32.8%Added
Rareview Capital LLC183,505$1.90M1.11%+158,298+628.0%Added
Ignite Planners, LLC194,025$2.02M0.31%00.0%Unchanged
Fiera Capital Corp241,123$2.51M0.01%−198,964−45.2%Reduced
Beverly Hills Private Wealth, LLC251,657$2.62M0.44%+251,657New
Dakota Wealth Management261,830$2.72M0.06%+26,930+11.5%Added
Hollencrest Capital Management307,635$3.20M0.12%+81,115+35.8%Added
Northwestern Mutual Wealth Management Co364,958$3.80M0.00%+22,601+6.6%Added
UBS Group AG365,655$3.80M0.00%+111,153+43.7%Added
City of London Investment Management Co Ltd371,024$3.86M0.28%00.0%Unchanged
Evoke Wealth, LLC401,081$4.19M0.08%+48,078+13.6%Added
Atala Financial Inc405,607$4.25M2.86%+132,871+48.7%Added
Sanctuary Advisors, LLC467,786$4.86M0.03%+34,327+7.9%Added
Hennion & Walsh Asset Management, Inc.673,975$7.01M0.24%+273,375+68.2%Added
LPL Financial LLC676,357$7.03M0.00%+325,783+92.9%Added
Wells Fargo & Company921,553$9.58M0.00%+261,745+39.7%Added
Allspring Global Investments Holdings, LLC1,100,165$11.4M0.02%+507,112+85.5%Added
Robinson Capital Management, LLC1,122,458$12.1M5.42%+868,424+341.9%Added
Advisors Asset Management, Inc.1,991,413$20.7M0.34%+640,171+47.4%Added
Rivernorth Capital Management, LLC2,258,360$23.5M1.19%−50,527−2.2%Reduced
Bank of America Corp2,268,949$23.6M0.00%+393,995+21.0%Added
Guggenheim Capital LLC2,713,524$28.2M0.22%+234,402+9.5%Added
Karpus Management, Inc.5,379,853$56.0M1.75%−9,656−0.2%Reduced
Morgan Stanley7,391,494$76.9M0.00%+1,357,253+22.5%Added
LM Advisors LLC227––−4−1.7%Reduced
Logan Stone Capital, LLC0$00.00%−129,327−100.0%Sold out
Axxcess Wealth Management, LLC0$00.00%−42,015−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−38,219−100.0%Sold out
Readystate Asset Management LP0$00.00%−31,674−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−31,405−100.0%Sold out
Marex Group plc0$00.00%−20,400−100.0%Sold out
Kestra Private Wealth Services, LLC0$00.00%−15,010−100.0%Sold out
Mission Wealth Management, LP0$00.00%−13,350−100.0%Sold out
Permanent Capital Management, LP0$00.00%−13,206−100.0%Sold out
HRT Financial LP0$00.00%−12,212−100.0%Sold out
Moody National Bank Trust Division0$00.00%−10,718−100.0%Sold out
Pasadena Private Wealth, LLC0$00.00%−10,000−100.0%Sold out
Elyxium Wealth, LLC0$00.00%−6,498−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−2,000−100.0%Sold out
Optima Capital LLC0$00.00%−2,000−100.0%Sold out
Comerica Bank––––Not filed