# MFS HIGH INCOME MUN TR SH BEN INT

MFS HIGH INCOME MUN TR SH BEN INT is a security (CUSIP 59318D104) tracked across SEC portfolio filings. 42 institutional managers reported $37.4M on Form 13F as of 2026-03-31; 9 registered fund positions totaling $7.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MFS HIGH INCOME MUN TR
- Class: SH BEN INT
- CUSIP: 59318D104
- Asset category: OTHER
- 13F holders: 42
- 13F value: $37.4M
- 13F period: 2026-03-31
- N-PORT fund positions: 9
- N-PORT value: $7.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 42 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Almitas Capital LLC](https://search.stillhousedata.com/firm/166705) | SANTA MONICA, CA | $4.7M | 1,266,853 |
| UBS Group AG | Zurich, V8 | $4.4M | 1,196,892 |
| [Saba Capital Management, L.P.](https://search.stillhousedata.com/firm/154362) | NEW YORK, NY | $4.1M | 1,110,515 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $3.8M | 1,029,129 |
| Pathstone Holdings, LLC | ENGLEWOOD, NJ | $3.7M | 999,681 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/122020) | WEST PALM BEACH, FL | $3.4M | 922,762 |
| Robinson Capital Management, LLC | Grosse Pointe Farms, MI | $2.4M | 644,863 |
| Summit Financial, LLC | PARSIPPANY, NJ | $2.1M | 576,180 |
| [WHITEBOX ADVISORS LLC](https://search.stillhousedata.com/firm/121995) | MINNEAPOLIS, MN | $1.9M | 512,763 |
| [Bulldog Investors, LLP](https://search.stillhousedata.com/firm/151585) | SADDLE BROOK, NJ | $1.7M | 449,633 |
| MORGAN STANLEY | NEW YORK, NY | $1.1M | 292,643 |
| NewEdge Advisors, LLC | New Orleans, LA | $746K | 201,166 |
| [CAPTRUST FINANCIAL ADVISORS](https://search.stillhousedata.com/firm/175112) | RALEIGH, NC | $386K | 104,117 |
| [Thomas J. Herzfeld Advisors, Inc.](https://search.stillhousedata.com/firm/108369) | MIAMI BEACH, FL | $328K | 88,443 |
| [Catalina Capital Group, LLC](https://search.stillhousedata.com/firm/172556) | Torrance, CA | $304K | 82,017 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [The Intermediate Term Municipal Bond Portfolio](https://search.stillhousedata.com/fund/S000009376) | HC Capital Trust | $1.8M | 31.35% |
| Special Opportunities Fund, Inc. | Special Opportunities Fund, Inc. | $1.8M | 104.46% |
| RiverNorth Managed Duration Muni Income Fund Inc. | RiverNorth Managed Duration Municipal Income Fund Inc. | $1.7M | 57.46% |
| RiverNorth Flexible Municipal Income Fund II Inc. | RiverNorth Flexible Municipal Income Fund II Inc. | $1.0M | 29.43% |
| High Income Securities Fund | High Income | $796K | 65.08% |
| RiverNorth Managed Duration Municipal Income Fund II Inc. | RiverNorth Managed Duration Municipal Income Fund II Inc. | $390K | 29.59% |
| RiverNorth Opportunistic Municipal Income Fund Inc. | RiverNorth Opportunistic Municipal Income Fund Inc. | $339K | 34.06% |
| Saba Capital Income & Opportunities Fund II | Saba Capital Income & Opportunities Fund II | $47K | 1.83% |
| Saba Capital Income & Opportunities Fund | Saba Capital Income & Opportunities Fund | $3K | 0.07% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/59318D104.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
