MFS High Yield Municipal Trust
CMU was delisted on the 5th of June, 2026.
38 hedge funds and large institutions have $39.9M invested in MFS High Yield Municipal Trust in 2025 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 16 increasing their positions, 9 reducing their positions, and 1 closing their positions.
78% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 9
0% more first-time investments, than exits
New positions opened: 1 | Existing positions closed: 1
0.64% less ownership
Funds ownership: 47.61% → 46.97% (-0.64%)
3% less funds holding
Funds holding: 39 → 38 (-1)
6% less capital invested
Capital invested by funds: $42.4M → $39.9M (-$2.48M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Almitas Capital
Santa Monica,
California
|
+$789K |
| 2 |
TJHA
Thomas J. Herzfeld Advisors
Miami Beach,
Florida
|
+$662K |
| 3 |
SIA
Sit Investment Associates
Minneapolis,
Minnesota
|
+$501K |
| 4 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$282K |
| 5 |
BI
Bulldog Investors
Saddle Brook,
New Jersey
|
+$153K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
COLIM
City of London Investment Management
London,
United Kingdom
|
-$2.59M |
| 2 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
-$296K |
| 3 |
LPL Financial
San Diego,
California
|
-$49.1K |
| 4 |
WAM
WealthTrust Asset Management
Destin,
Florida
|
-$46.9K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$39.5K |
CMU Hedge Fund Activity: Q2 2025 in Review
38 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in MFS High Yield Municipal Trust (CMU) for Q2 2025, worth a combined $39.9M — down 5.9% from $42.4M a quarter earlier.
Fund positioning in CMU was balanced in Q2 2025: 1 fund opened new positions, 1 closed out, 16 added to existing stakes and 9 trimmed.
The largest buyer was Almitas Capital, adding an estimated $789K. The largest seller was City of London Investment Management, cutting an estimated $2.59M.
- 38 institutional investors held MFS High Yield Municipal Trust (CMU) as of Q2 2025, down from 39 in Q1 2025.
- Funds reported $39.9M of MFS High Yield Municipal Trust stock for Q2 2025, down 5.9% quarter-over-quarter.
- 1 fund opened new MFS High Yield Municipal Trust positions in Q2 2025 and 1 closed out, a net change of 0 holders.
- The largest MFS High Yield Municipal Trust buyer in Q2 2025 was Almitas Capital, an estimated $789K added.
- The largest MFS High Yield Municipal Trust seller in Q2 2025 was City of London Investment Management, an estimated $2.59M sold.
Based on aggregated 13F filings for Q2 2025.