MFS High Yield Municipal Trust
CMUDelisted Jun 8, 2026- SEC CIK
- 0000809844
MFS High Yield Municipal Trust was delisted on Jun 8, 2026; its insiders filed their last Form 4 on Aug 11, 2026; 45 institutions reported holding it in 13F filings for Q1 2026, worth $45.5M in total; no superinvestor held it.
13F holders, Q3 2025
Institutional positions in MFS High Yield Municipal Trust as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 39
- +2 vs. Q2 2025
- Shares held
- 12.2M
- +275.0K (+2.3%) vs. Q2 2025
- Total value
- $42.4M
- +$2.62M (+6.6%) vs. Q2 2025
- New holders
- 6
- 16 more added
- Sold out
- 4
- 7 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CMU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 45 | $45.5M |
| Q4 2025 | 41 | $44.3M |
| Q3 2025 | 39 | $42.4M |
| Q2 2025 | 38 | $39.9M |
| Q1 2025 | 39 | $42.4M |
| Q4 2024 | 42 | $39.2M |
| Q3 2024 | 48 | $33.8M |
| Q2 2024 | 52 | $30.8M |
| Q1 2024 | 51 | $29.2M |
| Q4 2023 | 51 | $30.0M |
| Q3 2023 | 49 | $33.5M |
| Q2 2023 | 48 | $30.4M |
| Q1 2023 | 47 | $26.2M |
| Q4 2022 | 47 | $22.5M |
| Q3 2022 | 44 | $17.4M |
| Q2 2022 | 47 | $17.6M |
| Q1 2022 | 39 | $17.0M |
| Q4 2021 | 37 | $15.3M |
| Q3 2021 | 34 | $13.1M |
| Q2 2021 | 31 | $10.4M |
| Q1 2021 | 34 | $11.8M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding MFS High Yield Municipal Trust; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bulldog Investors, LLP | 2,994,960 | $10.4M | 2.41% | +323,923+12.1% | Added |
| Rivernorth Capital Management, LLC | 2,579,075 | $8.95M | 0.51% | +580,389+29.0% | Added |
| Almitas Capital LLC | 1,507,168 | $5.23M | 1.20% | +855,533+131.3% | Added |
| Sit Investment Associates Inc | 1,045,340 | $3.63M | 0.07% | −1,283,267−55.1% | Reduced |
| Icon Advisers Inc | 821,456 | $2.85M | 0.62% | 00.0% | Unchanged |
| Thomas J. Herzfeld Advisors, Inc. | 546,440 | $1.90M | 0.65% | −4,085−0.7% | Reduced |
| City of London Investment Management Co Ltd | 518,249 | $1.80M | 0.13% | +55,000+11.9% | Added |
| Allspring Global Investments Holdings, LLC | 377,111 | $1.31M | 0.00% | +20,922+5.9% | Added |
| Bank of New York Mellon Corp | 312,415 | $1.08M | 0.00% | +24,999+8.7% | Added |
| Matisse Capital | 262,208 | $909.9K | 0.41% | 00.0% | Unchanged |
| UBS Group AG | 249,353 | $865.3K | 0.00% | −26,225−9.5% | Reduced |
| Bank of America Corp | 147,588 | $512.1K | 0.00% | +52,695+55.5% | Added |
| Lido Advisors, LLC | 146,367 | $507.9K | 0.00% | 00.0% | Unchanged |
| Melfa Wealth Management, LLC | 124,010 | $430.3K | 0.25% | +118+0.1% | Added |
| Morgan Stanley | 96,371 | $334.4K | 0.00% | −1,988−2.0% | Reduced |
| LPL Financial LLC | 60,465 | $209.8K | 0.00% | +21,697+56.0% | Added |
| Advisor Group Holdings, Inc. | 50,702 | $171.8K | 0.00% | +24,031+90.1% | Added |
| Raymond James Financial Inc | 48,263 | $167.5K | 0.00% | +1,504+3.2% | Added |
| Cetera Investment Advisers | 35,657 | $123.7K | 0.00% | +9,911+38.5% | Added |
| Equitable Holdings, Inc. | 32,419 | $112.5K | 0.00% | +475+1.5% | Added |
| Citadel Advisors LLC | 29,161 | $101.2K | 0.00% | +7,969+37.6% | Added |
| Pathstone Holdings, LLC | 27,729 | $96.2K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 25,963 | $90.0K | 0.00% | +91+0.4% | Added |
| Blue Bell Private Wealth Management, LLC | 21,921 | $76.1K | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 20,000 | $69.4K | 0.00% | +20,000 | New |
| Private Advisor Group, LLC | 19,093 | $66.3K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 16,249 | $56.4K | 0.00% | 00.0% | Unchanged |
| Spirepoint Private Client, LLC | 16,247 | $56.4K | 0.01% | +16,247 | New |
| Noble Wealth Management PBC | 15,100 | $52.4K | 0.03% | +15,100 | New |
| Cohen & Steers, Inc. | 15,000 | $52.0K | 0.00% | +15,000 | New |
| Kestra Advisory Services, LLC | 12,756 | $44.3K | 0.00% | −246−1.9% | Reduced |
| International Assets Investment Management, LLC | 13,155 | $43.8K | 0.00% | +13,155 | New |
| Mesirow Financial Investment Management, Inc. | 11,509 | $39.9K | 0.00% | +169+1.5% | Added |
| Nomura Holdings Inc | 10,000 | $34.7K | 0.00% | +10,000 | New |
| Wells Fargo & Company | 6,546 | $22.7K | 0.00% | −401−5.8% | Reduced |
| Independence Bank of Kentucky | 5,010 | $17.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,955 | $10.0K | 0.00% | −13,265−81.8% | Reduced |
| Rothschild Investment LLC | 1,537 | $5.33K | 0.00% | 00.0% | Unchanged |
| Mascoma Wealth Management LLC | 844 | $2.93K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −398,562−100.0% | Sold out |
| Novak & Powell Financial Services, Inc. | 0 | $0 | 0.00% | −29,500−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −22,423−100.0% | Sold out |
| CX Institutional | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | – | – | – | – | Not filed |