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.
| Manager | Location | Value | Shares |
|---|---|---|---|
| COMMONWEALTH EQUITY SERVICES, LLC | WALTHAM, MA | $852K | 32,290 |
| FMR LLC | BOSTON, MA | $25 | 1 |