BlackRock MuniHoldings California Quality Fund
139 hedge funds and large institutions have $360M invested in BlackRock MuniHoldings California Quality Fund in 2026 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 57 increasing their positions, 20 reducing their positions, and 15 closing their positions.
187% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 15
185% more repeat investments, than reductions
Existing positions increased: 57 | Existing positions reduced: 20
24% more funds holding
Funds holding: 112 → 139 (+27)
18% more capital invested
Capital invested by funds: $306M → $360M (+$53.8M)
5.92% more ownership
Funds ownership: 30.09% → 36.01% (+5.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$14.7M |
| 2 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
+$9.38M |
| 3 |
AAM
Advisors Asset Management
Monument,
Colorado
|
+$6.91M |
| 4 |
Allspring Global Investments
Charlotte,
North Carolina
|
+$5.47M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$4.25M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MSL
Mackay Shields LLC
New York
|
-$9.01M |
| 2 |
Fiera Capital (Canada)
Montreal,
Quebec, Canada
|
-$2.15M |
| 3 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
-$1.37M |
| 4 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
-$545K |
| 5 |
Jane Street
New York
|
-$539K |
MUC Hedge Fund Activity: Q1 2026 in Review
139 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in BlackRock MuniHoldings California Quality Fund (MUC) for Q1 2026, worth a combined $360M — up 18% from $306M a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new MUC positions and 15 closed out — a net gain of 28 holders — while 57 added to existing stakes and 20 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $14.7M. The largest seller was Mackay Shields LLC, cutting an estimated $9.01M.
- 139 institutional investors held BlackRock MuniHoldings California Quality Fund (MUC) as of Q1 2026, up from 112 in Q4 2025.
- Funds reported $360M of BlackRock MuniHoldings California Quality Fund stock for Q1 2026, up 18% quarter-over-quarter.
- 43 funds opened new BlackRock MuniHoldings California Quality Fund positions in Q1 2026 and 15 closed out, a net change of +28 holders.
- The largest BlackRock MuniHoldings California Quality Fund buyer in Q1 2026 was Morgan Stanley, an estimated $14.7M added.
- The largest BlackRock MuniHoldings California Quality Fund seller in Q1 2026 was Mackay Shields LLC, an estimated $9.01M sold.
Based on aggregated 13F filings for Q1 2026.