1 institutions reported holding $337,093 of ISABELLA BK CORP (ISBA) in SEC 13F filings for 2026-06-30. Largest institutional holders: Gradient Investments LLC ($337,093). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Gradient Investments LLC | $337,093 | 8,534 | New |
Source: SEC Form 13F filings · as of 2026-06-30