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.
Key figures
- Insider buys
- 0
- Open market, last 90 days
- Insider sells
- 0
- Open market, last 90 days
- 13F holders
- 45
- Q1 2026, +4 vs. previous quarter
- 13F value
- $45.5M
- Reported value at the end of Q1 2026
- Superinvestors holding
- 0
- At the end of Q1 2026
Superinvestors holding CMU, Q1 2026
No superinvestor reported holding CMU at the end of Q1 2026.
Latest insider trades
Open-market purchases and sales by MFS High Yield Municipal Trust insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 23, 2026 (view filing)6:35 PM ET | Jan 20 | 3 days | Goldstein Phillip and 2 others10% Owner | PPurchase | +678 | $3.50 | +$2.37K | +2.8%24.9K after | Amended |
| Nov 13, 2023 (view filing)6:58 PM ET | Apr 6 | 221 daysLate | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +400 | $3.25 | +$1.30K | 0.0%2.87M after | |
| Nov 9, 2023 (view filing)11:17 AM ET | Nov 8 | 1 day | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +10.4K | $2.98 | +$31.1K | +0.3%3.33M after | From original |
| Oct 10, 2023 (view filing)3:59 PM ET | Oct 6-9 | 4 days | Saba Capital Management, L.P. and 1 other10% Owner | SSale | −5.41K | $3.05 | −$16.5K | −0.2%3.32M after | 2 lots |
| Oct 6, 2023 (view filing)5:56 PM ET | Oct 4-5 | 2 days | Saba Capital Management, L.P. and 1 other10% Owner | SSale | −21.1K | $3.09 | −$65.2K | −0.6%3.32M after | 2 lots |
| Oct 3, 2023 (view filing)6:44 PM ET | Oct 3 | Same day | Saba Capital Management, L.P. and 1 other10% Owner | SSale | −6.36K | $3.10 | −$19.7K | −0.2%3.35M after | |
| Jul 25, 2023 (view filing)3:05 PM ET | Jul 24 | 1 day | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +46.0K | $3.30 | +$151.8K | +1.4%3.35M after | |
| Jul 19, 2023 (view filing)12:13 PM ET | Jul 18 | 1 day | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +521 | $3.26 | +$1.70K | 0.0%3.31M after | |
| Jun 28, 2023 (view filing)11:06 AM ET | Jun 27 | 1 day | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +7.19K | $3.24 | +$23.3K | +0.2%3.31M after | |
| Jun 22, 2023 (view filing)10:23 AM ET | Jun 21 | 1 day | Saba Capital Management, L.P. and 1 other10% Owner | PPurchase | +3.07K | $3.18 | +$9.76K | +0.1%3.30M after |
Top 10 13F holders, Q1 2026
The largest institutional positions in MFS High Yield Municipal Trust at the end of Q1 2026; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bulldog Investors, LLP | 3,531,732 | $12.6M | 2.84% | −61,925−1.7% | Reduced |
| Rivernorth Capital Management, LLC | 2,955,950 | $10.6M | 0.53% | +325,054+12.4% | Added |
| Almitas Capital LLC | 1,497,718 | $5.36M | 1.21% | 00.0% | Unchanged |
| Icon Advisers Inc | 731,734 | $2.62M | 0.61% | −89,722−10.9% | Reduced |
| Morgan Stanley | 710,702 | $2.54M | 0.00% | +319,091+81.5% | Added |
| City of London Investment Management Co Ltd | 676,122 | $2.42M | 0.18% | +107,873+19.0% | Added |
| Bank of America Corp | 405,971 | $1.45M | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 377,111 | $1.35M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 354,378 | $1.27M | 0.00% | +35,963+11.3% | Added |
| Guggenheim Capital LLC | 315,595 | $1.13M | 0.01% | +315,595 | New |