1 institutions reported holding $65,211 of ETF MASSACHUSETTS INV GR STK A (MIGFX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Westside Investment Management, Inc. ($65,211). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Westside Investment Management, Inc. | $65,211 | 1,721 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31