MFS High Yield Municipal Trust
CMU was delisted on the 5th of June, 2026.
39 hedge funds and large institutions have $42.4M invested in MFS High Yield Municipal Trust in 2025 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 16 increasing their positions, 7 reducing their positions, and 4 closing their positions.
129% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 7
50% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 4
6% more capital invested
Capital invested by funds: $39.9M → $42.4M (+$2.55M)
3% more funds holding
Funds holding: 38 → 39 (+1)
0.99% more ownership
Funds ownership: 46.97% → 47.96% (+0.99%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Almitas Capital
Santa Monica,
California
|
+$2.85M |
| 2 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$1.93M |
| 3 |
BI
Bulldog Investors
Saddle Brook,
New Jersey
|
+$1.08M |
| 4 |
COLIM
City of London Investment Management
London,
United Kingdom
|
+$183K |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$176K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SIA
Sit Investment Associates
Minneapolis,
Minnesota
|
-$4.27M |
| 2 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
-$1.33M |
| 3 |
NPFS
Novak & Powell Financial Services
St. Petersburg,
Florida
|
-$98.2K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$87.4K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$74.7K |
CMU Hedge Fund Activity: Q3 2025 in Review
39 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in MFS High Yield Municipal Trust (CMU) for Q3 2025, worth a combined $42.4M — up 6.4% from $39.9M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new CMU positions and 4 closed out — a net gain of 2 holders — while 16 added to existing stakes and 7 trimmed.
The largest buyer was Almitas Capital, adding an estimated $2.85M. The largest seller was Sit Investment Associates, cutting an estimated $4.27M.
- 39 institutional investors held MFS High Yield Municipal Trust (CMU) as of Q3 2025, up from 38 in Q2 2025.
- Funds reported $42.4M of MFS High Yield Municipal Trust stock for Q3 2025, up 6.4% quarter-over-quarter.
- 6 funds opened new MFS High Yield Municipal Trust positions in Q3 2025 and 4 closed out, a net change of +2 holders.
- The largest MFS High Yield Municipal Trust buyer in Q3 2025 was Almitas Capital, an estimated $2.85M added.
- The largest MFS High Yield Municipal Trust seller in Q3 2025 was Sit Investment Associates, an estimated $4.27M sold.
Based on aggregated 13F filings for Q3 2025.