Pioneer Municipal High Income Fund
MHI
MHI was delisted on the 22nd of August, 2025.
57 hedge funds and large institutions have $129M invested in Pioneer Municipal High Income Fund in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 16 increasing their positions, 19 reducing their positions, and 12 closing their positions.
0.98% less ownership
Funds ownership: 62.75% → 61.77% (-0.98%)
2% less capital invested
Capital invested by funds: $132M → $129M (-$2.86M)
8% less first-time investments, than exits
New positions opened: 11 | Existing positions closed: 12
3% less funds holding
Funds holding: 59 → 57 (-2)
16% less repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 19
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Almitas Capital
Santa Monica,
California
|
+$6.8M |
| 2 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
+$1.38M |
| 3 |
BI
Bulldog Investors
Saddle Brook,
New Jersey
|
+$1.34M |
| 4 |
KIM
Karpus Investment Management
Pittsford,
New York
|
+$1.19M |
| 5 |
SCM
Saba Capital Management
New York
|
+$635K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
-$8.11M |
| 2 |
Pathstone Holdings
Englewood,
New Jersey
|
-$4.75M |
| 3 |
Morgan Stanley
New York
|
-$791K |
| 4 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$417K |
| 5 |
Bank of New York Mellon
New York
|
-$313K |
MHI Hedge Fund Activity: Q2 2025 in Review
57 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Pioneer Municipal High Income Fund (MHI) for Q2 2025, worth a combined $129M — down 2.2% from $132M a quarter earlier.
Sellers outnumbered buyers: 12 funds closed out of MHI and 11 opened new positions — a net loss of 1 holder — while 19 trimmed existing stakes and 16 added.
The largest buyer was Almitas Capital, adding an estimated $6.8M. The largest seller was Rivernorth Capital Management, cutting an estimated $8.11M.
- 57 institutional investors held Pioneer Municipal High Income Fund (MHI) as of Q2 2025, down from 59 in Q1 2025.
- Funds reported $129M of Pioneer Municipal High Income Fund stock for Q2 2025, down 2.2% quarter-over-quarter.
- 11 funds opened new Pioneer Municipal High Income Fund positions in Q2 2025 and 12 closed out, a net change of -1 holder.
- The largest Pioneer Municipal High Income Fund buyer in Q2 2025 was Almitas Capital, an estimated $6.8M added.
- The largest Pioneer Municipal High Income Fund seller in Q2 2025 was Rivernorth Capital Management, an estimated $8.11M sold.
Based on aggregated 13F filings for Q2 2025.