MFS High Yield Municipal Trust
CMU was delisted on the 5th of June, 2026.
47 hedge funds and large institutions have $26.2M invested in MFS High Yield Municipal Trust in 2023 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 14 increasing their positions, 11 reducing their positions, and 7 closing their positions.
27% more repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 11
16% more capital invested
Capital invested by funds: $22.5M → $26.2M (+$3.69M)
14% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 7
3.34% more ownership
Funds ownership: 25.5% → 28.84% (+3.3%)
0% more funds holding
Funds holding: 47 → 47 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Saba Capital Management
New York
|
+$2.59M |
| 2 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$547K |
| 3 |
BI
Bulldog Investors
Saddle Brook,
New Jersey
|
+$430K |
| 4 |
MWM
Melfa Wealth Management
Westborough,
Massachusetts
|
+$404K |
| 5 |
AW
Atlas Wealth
Cincinnati,
Ohio
|
+$326K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MIG
Mariner Investment Group
Harrison,
New York
|
-$579K |
| 2 |
ACA
Ackerman Capital Advisors
Dallas,
Texas
|
-$504K |
| 3 |
MC
Moors & Cabot
Boston,
Massachusetts
|
-$418K |
| 4 |
SS
Simplicity Solutions
Minneapolis,
Minnesota
|
-$89.4K |
| 5 |
LPL Financial
San Diego,
California
|
-$63.8K |
CMU Hedge Fund Activity: Q1 2023 in Review
47 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in MFS High Yield Municipal Trust (CMU) for Q1 2023, worth a combined $26.2M — up 16% from $22.5M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new CMU positions and 7 closed out — a net gain of 1 holder — while 14 added to existing stakes and 11 trimmed.
The largest buyer was Saba Capital Management, adding an estimated $2.59M. The largest seller was Mariner Investment Group, exiting entirely with an estimated $579K sold.
- 47 institutional investors held MFS High Yield Municipal Trust (CMU) as of Q1 2023, unchanged from Q4 2022.
- Funds reported $26.2M of MFS High Yield Municipal Trust stock for Q1 2023, up 16% quarter-over-quarter.
- 8 funds opened new MFS High Yield Municipal Trust positions in Q1 2023 and 7 closed out, a net change of +1 holder.
- The largest MFS High Yield Municipal Trust buyer in Q1 2023 was Saba Capital Management, an estimated $2.59M added.
- The largest MFS High Yield Municipal Trust seller in Q1 2023 was Mariner Investment Group, an estimated $579K sold.
Based on aggregated 13F filings for Q1 2023.