# MFS ACTIVE EXCHANGE TRADED F MID CAP ETF

MFS ACTIVE EXCHANGE TRADED F MID CAP ETF is a security (CUSIP 55286W603) tracked across SEC portfolio filings. 2 institutional managers reported $852K on Form 13F as of 2026-06-30.

## Summary

- Issuer: MFS ACTIVE EXCHANGE TRADED F
- Class: MID CAP ETF
- CUSIP: 55286W603
- 13F holders: 2
- 13F value: $852K
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://search.stillhousedata.com/firm/8032) | WALTHAM, MA | $852K | 32,290 |
| FMR LLC | BOSTON, MA | $25 | 1 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/55286W603.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.