Pioneer Municipal High Income Fund
MHI
MHI was delisted on the 22nd of August, 2025.
60 hedge funds and large institutions have $92.6M invested in Pioneer Municipal High Income Fund in 2023 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 15 increasing their positions, 20 reducing their positions, and 16 closing their positions.
31% more capital invested
Capital invested by funds: $70.6M → $92.6M (+$21.9M)
4.03% more ownership
Funds ownership: 43.08% → 47.11% (+4%)
6% less funds holding
Funds holding: 64 → 60 (-4)
13% less first-time investments, than exits
New positions opened: 14 | Existing positions closed: 16
25% less repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 20
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SIA
Sit Investment Associates
Minneapolis,
Minnesota
|
+$9.61M |
| 2 |
SCM
Saba Capital Management
New York
|
+$6.31M |
| 3 |
Nuveen
Charlotte,
North Carolina
|
+$918K |
| 4 |
LCM
Landscape Capital Management
Englewood,
New Jersey
|
+$279K |
| 5 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
+$279K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$7.49M |
| 2 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
-$4.63M |
| 3 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
-$950K |
| 4 |
AAM
Advisors Asset Management
Monument,
Colorado
|
-$933K |
| 5 |
KIM
Karpus Investment Management
Pittsford,
New York
|
-$901K |
MHI Hedge Fund Activity: Q4 2023 in Review
60 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in Pioneer Municipal High Income Fund (MHI) for Q4 2023, worth a combined $92.6M — up 31% from $70.6M a quarter earlier.
Sellers outnumbered buyers: 16 funds closed out of MHI and 14 opened new positions — a net loss of 2 holders — while 20 trimmed existing stakes and 15 added.
The largest buyer was Sit Investment Associates, adding an estimated $9.61M. The largest seller was Morgan Stanley, cutting an estimated $7.49M.
- 60 institutional investors held Pioneer Municipal High Income Fund (MHI) as of Q4 2023, down from 64 in Q3 2023.
- Funds reported $92.6M of Pioneer Municipal High Income Fund stock for Q4 2023, up 31% quarter-over-quarter.
- 14 funds opened new Pioneer Municipal High Income Fund positions in Q4 2023 and 16 closed out, a net change of -2 holders.
- The largest Pioneer Municipal High Income Fund buyer in Q4 2023 was Sit Investment Associates, an estimated $9.61M added.
- The largest Pioneer Municipal High Income Fund seller in Q4 2023 was Morgan Stanley, an estimated $7.49M sold.
Based on aggregated 13F filings for Q4 2023.