1 institutions reported holding $13,375 of BIOLARGO INC (BLGO) in SEC 13F filings for 2026-06-30. Largest institutional holders: FIRST AMERICAN TRUST, FSB ($13,375). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | FIRST AMERICAN TRUST, FSB | $13,375 | 117,838 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30