4 institutions reported holding $18.2M of American Business Bank (AMBZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: BANC FUNDS CO LLC ($16.7M), FCA CORP /TX ($878,482), FARMERS & MERCHANTS TRUST Co OF LONG BEACH ($672,549), Rhino Investment Partners, Inc ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BANC FUNDS CO LLC | $16.7M | 229,173 | Trimmed |
| 2 | FCA CORP /TX | $878,482 | 12,034 | Hold |
| 3 | FARMERS & MERCHANTS TRUST Co OF LONG BEACH | $672,549 | 9,213 | Hold |
| 4 | Rhino Investment Partners, Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30