Who owns BlackRock MuniHoldings California Quality Fund, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MUC from SEC Form 13F filings across 135 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 135 institutions disclosed 33.1M shares of BlackRock MuniHoldings California Quality Fund, Inc. worth $363.2M — about 35.1% of shares outstanding; the largest disclosed holder is MORGAN STANLEY. Source: SEC Form 13F filings, parsed by EvidInvest.
135
13F holders
$363.2M
value, 2026 filers
35.1%
of shares outstanding (33.1M sh)
16
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MUC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 7.4M | $81.3M | 0.0% | 7.9% | +0.1% |
| 2 | Karpus Management, Inc. | 4.6M | $50.6M | 1.5% | 4.9% | -14.4% |
| 3 | GUGGENHEIM CAPITAL LLC | 2.6M | $28.5M | 0.2% | 2.8% | -4.3% |
| 4 | BANK OF AMERICA CORP /DE/ | 2.4M | $26.4M | 0.0% | 2.6% | +6.0% |
| 5 | Advisors Asset Management, Inc. | 2.3M | $25.3M | 0.4% | 2.4% | +15.8% |
| 6 | ROBINSON CAPITAL MANAGEMENT, LLC | 1.1M | $12.3M | 5.4% | 1.2% | 0.0% |
| 7 | Allspring Global Investments Holdings, LLC | 1.1M | $12.1M | 0.0% | 1.2% | 0.0% |
| 8 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 1.1M | $11.7M | 0.6% | 1.1% | -52.8% |
| 9 | WELLS FARGO & COMPANY/MN | 963,266 | $10.6M | 0.0% | 1% | +4.5% |
| 10 | LPL Financial LLC | 732,748 | $8.1M | 0.0% | 0.8% | +8.3% |
| 11 | Hennion & Walsh Asset Management, Inc. | 709,302 | $7.8M | 0.2% | 0.8% | +5.2% |
| 12 | Sanctuary Advisors, LLC | 486,473 | $5.3M | 0.0% | 0.5% | +4.0% |
| 13 | UBS Group AG | 415,590 | $4.6M | 0.0% | 0.4% | +13.7% |
| 14 | Atala Financial Inc | 391,683 | $4.3M | 2.6% | 0.4% | -3.4% |
| 15 | CITY OF LONDON INVESTMENT MANAGEMENT CO LTD | 371,024 | $4.1M | 0.2% | 0.4% | 0.0% |
| 16 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 364,958 | $4.0M | 0.0% | 0.4% | 0.0% |
| 17 | HOLLENCREST CAPITAL MANAGEMENT | 267,907 | $2.9M | 0.2% | 0.3% | -12.9% |
| 18 | Beverly Hills Private Wealth, LLC | 254,357 | $2.8M | 0.5% | 0.3% | +1.1% |
| 19 | Fiera Capital Corp | 233,919 | $2.6M | 0.0% | 0.2% | -3.0% |
| 20 | Dakota Wealth Management | 213,962 | $2.4M | 0.0% | 0.2% | -18.3% |
| 21 | Ignite Planners, LLC | 194,025 | $2.1M | 0.3% | 0.2% | 0.0% |
| 22 | ROYAL BANK OF CANADA | 190,549 | $2.1M | 0.0% | 0.2% | +5.2% |
| 23 | MAI Capital Management | 183,275 | $2.0M | 0.0% | 0.2% | +14480.4% |
| 24 | Trilogy Capital Inc. | 168,900 | $1.9M | 0.1% | 0.2% | +0.8% |
| 25 | WESCAP Management Group, Inc. | 159,959 | $1.8M | 0.3% | 0.2% | +7.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.