2 institutions reported holding $7.0M of Studio Bank (STBK) in SEC 13F filings for 2026-03-31. Largest institutional holders: BANC FUNDS CO LLC ($5.2M), Siena Capital Partners GP, LLC ($1.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BANC FUNDS CO LLC | $5.2M | 429,056 | Added |
| 2 | Siena Capital Partners GP, LLC | $1.8M | 148,161 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31