Institutional Ownership
Mfs High Income Mun Tr
CUSIP 59318D104SH BEN INTCXEQ1 2026
13D / 13G Filings
13
Schedule 13D/13G on record
Beneficial Filers
2
Distinct reporting persons
Largest Stake
20.2%
Max % of class reported
Institutional Holders
60
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
13 filings · latest Dec 10, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Dec 10, 2025 | Saba Capital Management, L.P. | 13D/A | 5.0% | — | SEC |
| 2 | Nov 10, 2025 | Saba Capital Management, L.P. | 13D/A | 6.1% | — | SEC |
| 3 | Oct 21, 2024 | Saba Capital Management, L.P. | 13D/A | 7.2% | 2.27M | SEC |
| 4 | May 22, 2024 | Saba Capital Management, L.P. | 13D/A | 8.4% | 2.66M | SEC |
| 5 | Apr 25, 2024 | Saba Capital Management, L.P. | 13D/A | 7.2% | 2.26M | SEC |
| 6 | Jan 31, 2024 | First Trust Portfolios LP | 13G/A | 2.0% | 621.3K | SEC |
| 7 | Nov 24, 2023 | Saba Capital Management, L.P. | 13D/A | 6.1% | 1.92M | SEC |
| 8 | Jul 19, 2023 | Saba Capital Management, L.P. | 13D | 5.1% | 1.61M | SEC |
| 9 | Jan 10, 2023 | First Trust Portfolios LP | 13G/A | 9.2% | 2.90M | SEC |
| 10 | Jun 10, 2022 | First Trust Portfolios LP | 13G/A | 15.1% | 4.76M | SEC |
3 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Mfs High Income Mun Tr.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Almitas Capital LLC | 1.27M | $4.70M |
| 2 | Ubs Group AG | 1.20M | $4.44M |
| 3 | Saba Capital Management, L.P. | 1.11M | $4.12M |
| 4 | Bank Of America Corp /De/ | 1.03M | $3.82M |
| 5 | Pathstone Holdings, LLC | 999.7K | $3.71M |
| 6 | Rivernorth Capital Management, LLC | 922.8K | $3.42M |
| 7 | Commonwealth Equity Services, LLC | 665.2K | $2.47M |
| 8 | Robinson Capital Management, LLC | 644.9K | $2.39M |
| 9 | Summit Financial, LLC | 576.2K | $2.14M |
| 10 | Whitebox Advisors LLC | 512.8K | $1.90M |