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, Q1 2026
Institutional positions in MFS High Yield Municipal Trust as of Mar 31, 2026. 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
CMU is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 45
- +4 vs. Q4 2025
- Shares held
- 12.7M
- +92.4K (+0.7%) vs. Q4 2025
- Total value
- $45.5M
- +$1.22M (+2.8%) vs. Q4 2025
- New holders
- 8
- 12 more added
- Sold out
- 4
- 10 more reduced
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding MFS High Yield Municipal Trust; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Larson Financial Group LLC | 825 | $2.95K | 0.00% | +825 | New |
| Mascoma Wealth Management LLC | 844 | $3.02K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 1,000 | $3.58K | 0.00% | +1,000 | New |
| Rothschild Investment LLC | 1,537 | $5.50K | 0.00% | 00.0% | Unchanged |
| Independence Bank of Kentucky | 2,000 | $7.16K | 0.00% | −860−30.1% | Reduced |
| Harbour Investments, Inc. | 2,024 | $7.25K | 0.00% | +2,024 | New |
| Wells Fargo & Company | 9,609 | $34.4K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 11,696 | $41.9K | 0.00% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 11,835 | $42.4K | 0.00% | +162+1.4% | Added |
| Susquehanna International Group, LLP | 11,851 | $42.4K | 0.00% | −1,852−13.5% | Reduced |
| Kestra Advisory Services, LLC | 12,756 | $45.7K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 12,924 | $46.0K | 0.00% | +60+0.5% | Added |
| Closed-End Fund Advisors, Inc. | 13,091 | $46.9K | 0.05% | 00.0% | Unchanged |
| WealthTrust Asset Management, LLC | 14,229 | $50.9K | 0.03% | +14,229 | New |
| Cohen & Steers, Inc. | 15,000 | $54.0K | 0.00% | 00.0% | Unchanged |
| Spirepoint Private Client, LLC | 16,247 | $58.2K | 0.01% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 16,847 | $60.3K | 0.00% | +16,847 | New |
| HighTower Advisors, LLC | 17,365 | $62.2K | 0.00% | +17,365 | New |
| Mercer Global Advisors Inc | 18,540 | $66.4K | 0.00% | +18,540 | New |
| Rockefeller Capital Management L.P. | 20,000 | $71.6K | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 20,917 | $74.9K | 0.01% | −40.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 26,138 | $94.0K | 0.00% | +87+0.3% | Added |
| Citadel Advisors LLC | 27,368 | $98.0K | 0.00% | +8,972+48.8% | Added |
| Cetera Investment Advisers | 30,249 | $108.3K | 0.00% | 00.0% | Unchanged |
| Novak & Powell Financial Services, Inc. | 30,789 | $110.2K | 0.06% | +424+1.4% | Added |
| Pathstone Holdings, LLC | 30,929 | $110.7K | 0.00% | 00.0% | Unchanged |
| Equitable Holdings, Inc. | 33,335 | $117.0K | 0.00% | +611+1.9% | Added |
| Raymond James Financial Inc | 43,988 | $157.5K | 0.00% | −4,229−8.8% | Reduced |
| Advisor Group Holdings, Inc. | 46,113 | $165.1K | 0.00% | −18,110−28.2% | Reduced |
| LPL Financial LLC | 60,315 | $215.9K | 0.00% | +323+0.5% | Added |
| Evolve Private Wealth, LLC | 91,331 | $327.0K | 0.02% | −1,272−1.4% | Reduced |
| Matisse Capital | 98,712 | $353.4K | 0.15% | −163,496−62.4% | Reduced |
| Melfa Wealth Management, LLC | 124,236 | $444.8K | 0.26% | +113+0.1% | Added |
| UBS Group AG | 129,606 | $464.0K | 0.00% | −109,224−45.7% | Reduced |
| Lido Advisors, LLC | 146,367 | $524.0K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 315,595 | $1.13M | 0.01% | +315,595 | New |
| Bank of New York Mellon Corp | 354,378 | $1.27M | 0.00% | +35,963+11.3% | Added |
| Allspring Global Investments Holdings, LLC | 377,111 | $1.35M | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 405,971 | $1.45M | 0.00% | 00.0% | Unchanged |
| City of London Investment Management Co Ltd | 676,122 | $2.42M | 0.18% | +107,873+19.0% | Added |
| Morgan Stanley | 710,702 | $2.54M | 0.00% | +319,091+81.5% | Added |
| Icon Advisers Inc | 731,734 | $2.62M | 0.61% | −89,722−10.9% | Reduced |
| Almitas Capital LLC | 1,497,718 | $5.36M | 1.21% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 2,955,950 | $10.6M | 0.53% | +325,054+12.4% | Added |
| Bulldog Investors, LLP | 3,531,732 | $12.6M | 2.84% | −61,925−1.7% | Reduced |
| Thomas J. Herzfeld Advisors, Inc. | 0 | $0 | 0.00% | −558,611−100.0% | Sold out |
| Sit Investment Associates Inc | 0 | $0 | 0.00% | −47,357−100.0% | Sold out |
| Mutual Advisors, LLC | 0 | $0 | 0.00% | −20,998−100.0% | Sold out |
| Noble Wealth Management PBC | 0 | $0 | 0.00% | −15,100−100.0% | Sold out |