2 institutions reported holding $1.6M of MFS SER TR I (MRSIX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Fulton Bank, N.A. ($1.6M), Kohmann Bosshard Financial Services, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Fulton Bank, N.A. | $1.6M | 57,881 | Trimmed |
| 2 | Kohmann Bosshard Financial Services, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31