# MFS MUN INCOME TR SH BEN INT

MFS MUN INCOME TR SH BEN INT is a security (CUSIP 552738106) tracked across SEC portfolio filings. 106 institutional managers reported $105.8M on Form 13F as of 2026-06-30; 5 registered fund positions totaling $2.9M via N-PORT as of 2026-03-31.

## Summary

- Issuer: MFS MUN INCOME TR
- Class: SH BEN INT
- CUSIP: 552738106
- Asset category: EC
- 13F holders: 106
- 13F value: $105.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 5
- N-PORT value: $2.9M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 106 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Pathstone Holdings, LLC | ENGLEWOOD, NJ | $26.0M | 4,825,845 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $8.7M | 1,605,668 |
| UBS Group AG | Zurich, V8 | $6.9M | 1,274,724 |
| [Advisors Asset Management, Inc.](https://search.stillhousedata.com/firm/46727) | Monument, CO | $6.9M | 1,272,897 |
| Hennion & Walsh Asset Management, Inc. | Parsippany, NJ | $5.8M | 1,024,569 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/122020) | WEST PALM BEACH, FL | $4.9M | 908,050 |
| GUGGENHEIM CAPITAL LLC | Chicago, IL | $4.5M | 832,399 |
| Hennion & Walsh Asset Management, Inc. | Parsippany, NJ | $3.7M | 675,044 |
| Closed-End Fund Advisors, Inc. | RICHMOND, VA | $2.6M | 466,837 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://search.stillhousedata.com/firm/8032) | WALTHAM, MA | $2.6M | 460,275 |
| MELFA WEALTH MANAGEMENT, INC. | WESTBOROUGH, MA | $2.4M | 431,579 |
| ENVESTNET ASSET MANAGEMENT INC | Berwyn, PA | $2.0M | 362,000 |
| MacKay Shields LLC | New York, NY | $1.9M | 333,822 |
| [CITY OF LONDON INVESTMENT MANAGEMENT CO LTD](https://search.stillhousedata.com/firm/110986) | London, X0 | $1.8M | 324,887 |
| [Logan Stone Capital, LLC](https://search.stillhousedata.com/firm/311547) | CHICAGO, IL | $1.8M | 330,893 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| RiverNorth Flexible Municipal Income Fund II Inc. | RiverNorth Flexible Municipal Income Fund II Inc. | $1.0M | 29.67% |
| RiverNorth Managed Duration Muni Income Fund Inc. | RiverNorth Managed Duration Municipal Income Fund Inc. | $873K | 29.85% |
| RiverNorth Managed Duration Municipal Income Fund II Inc. | RiverNorth Managed Duration Municipal Income Fund II Inc. | $393K | 29.81% |
| RiverNorth Opportunistic Municipal Income Fund Inc. | RiverNorth Opportunistic Municipal Income Fund Inc. | $294K | 29.56% |
| RiverNorth Flexible Municipal Income Fund Inc. | RiverNorth Flexible Municipal Income Fund Inc. | $281K | 29.72% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/552738106.md)
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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.