BlackRock MuniYield Quality Fund III
MYI
152 hedge funds and large institutions have $430M invested in BlackRock MuniYield Quality Fund III in 2026 Q1 according to their latest regulatory filings, with 67 funds opening new positions, 57 increasing their positions, 8 reducing their positions, and 22 closing their positions.
613% more repeat investments, than reductions
Existing positions increased: 57 | Existing positions reduced: 8
300% more funds holding in top 10
Funds holding in top 10: 1 → 4 (+3)
205% more first-time investments, than exits
New positions opened: 67 | Existing positions closed: 22
105% more capital invested
Capital invested by funds: $209M → $430M (+$220M)
39% more funds holding
Funds holding: 109 → 152 (+43)
32.44% more ownership
Funds ownership: 28.99% → 61.43% (+32%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KIM
Karpus Investment Management
Pittsford,
New York
|
+$58.4M |
| 2 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$38.6M |
| 3 |
SIA
Sit Investment Associates
Minneapolis,
Minnesota
|
+$27.5M |
| 4 |
Morgan Stanley
New York
|
+$13.2M |
| 5 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
+$12.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
-$16.9M |
| 2 |
Fiera Capital (Canada)
Montreal,
Quebec, Canada
|
-$2.1M |
| 3 |
NA
NewEdge Advisors
New Orleans,
Louisiana
|
-$762K |
| 4 |
Jane Street
New York
|
-$499K |
| 5 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
-$474K |
MYI Hedge Fund Activity: Q1 2026 in Review
152 institutional investors reported a position in BlackRock MuniYield Quality Fund III (MYI) for Q1 2026, worth a combined $430M — up 105% from $209M a quarter earlier.
Buyers outnumbered sellers: 67 funds opened new MYI positions and 22 closed out — a net gain of 45 holders — while 57 added to existing stakes and 8 trimmed.
The largest buyer was Karpus Investment Management, adding an estimated $58.4M. The largest seller was Hennion & Walsh Asset Management, exiting entirely with an estimated $16.9M sold.
- 152 institutional investors held BlackRock MuniYield Quality Fund III (MYI) as of Q1 2026, up from 109 in Q4 2025.
- Funds reported $430M of BlackRock MuniYield Quality Fund III stock for Q1 2026, up 105% quarter-over-quarter.
- 67 funds opened new BlackRock MuniYield Quality Fund III positions in Q1 2026 and 22 closed out, a net change of +45 holders.
- The largest BlackRock MuniYield Quality Fund III buyer in Q1 2026 was Karpus Investment Management, an estimated $58.4M added.
- The largest BlackRock MuniYield Quality Fund III seller in Q1 2026 was Hennion & Walsh Asset Management, an estimated $16.9M sold.
Based on aggregated 13F filings for Q1 2026.