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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
Mariner, LLC13,343$138.8K0.00%+13,343New
Mather Group, LLC.12,992$135.1K0.00%+12,992New
Meridian Investment Counsel Inc.12,838$133.5K0.03%+12,838New
McGowan Group Asset Management, Inc.12,614$131.2K0.02%+12,614New
Golden State Equity Partners12,127$126.1K0.01%00.0%Unchanged
Almitas Capital LLC11,900$123.8K0.03%+11,900New
Allworth Financial LP11,418$118.7K0.00%+11,418New
Octavia Wealth Advisors, LLC11,268$117.8K0.01%00.0%Unchanged
Two Sigma Securities, LLC10,803$112.4K0.01%+10,803New
Westshore Wealth, LLC10,748$111.8K0.04%+585+5.8%Added
Alessandra Capital Management, LLC10,687$111.1K0.09%+10,687New
Perigon Wealth Management, LLC10,613$110.4K0.00%−30.0%Reduced
Captrust Financial Advisors10,550$109.7K0.00%+10,550New
Financial Advisors Network, Inc.10,276$106.9K0.01%+10,276New
Williams Jones Wealth Management, LLC.10,275$106.9K0.00%00.0%Unchanged
Shufro Rose & Co LLC10,253$106.6K0.01%+10,253New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10,094$105.0K0.00%+10,094New
CWM, LLC6,308$65.6K0.00%+6,308New
US Bancorp3,623$37.7K0.00%+1,799+98.6%Added
Wolff Wiese Magana LLC2,975$30.9K0.02%+2,275+325.0%Added
WFA of San Diego, LLC2,513$26.1K0.02%00.0%Unchanged
Noble Wealth Management PBC2,409$25.1K0.01%+2,409New
Atlantic Union Bankshares Corp1,939$20.2K0.00%00.0%Unchanged
Cheviot Value Management, LLC1,718$17.9K0.00%+1,718New
Ameritas Investment Partners, Inc.1,501$15.6K0.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.1,414$14.7K0.00%+1,414New
Pinnacle Wealth Planning Services, Inc.1,400$14.6K0.00%00.0%Unchanged
Rothschild Investment LLC1,279$13.3K0.00%+19+1.5%Added
MAI Capital Management1,257$13.1K0.00%00.0%Unchanged
Root Financial Partners, LLC1,127$11.7K0.00%+1,127New
Smartleaf Asset Management LLC1,100$11.3K0.00%00.0%Unchanged
Highline Wealth Partners LLC1,025$10.7K0.00%+1,025New
Mosley Wealth Management923$10.0K0.00%+923New
Penserra Capital Management LLC974$10.0K0.00%+974New
Mascoma Wealth Management LLC708$7.36K0.00%+708New
Nalls Sherbakoff Group, LLC410$4.26K0.00%+410New
Fifth Third Bancorp395$4.11K0.00%+395New
Bullock Wealth Management Group148$1.55K0.00%+2+1.4%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