5 institutions reported holding $3.6M of Bank of Marin Bancorp (BMRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: Westmount Partners, LLC ($3.2M), Apella Capital, LLC ($340,920), Versant Capital Management, Inc ($43,406), GAMMA Investing LLC ($21,938), MassMutual Private Wealth & Trust, FSB ($6,565). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Westmount Partners, LLC | $3.2M | 115,484 | Hold |
| 2 | Apella Capital, LLC | $340,920 | 12,000 | Hold |
| 3 | Versant Capital Management, Inc | $43,406 | 1,567 | Hold |
| 4 | GAMMA Investing LLC | $21,938 | 792 | Added |
| 5 | MassMutual Private Wealth & Trust, FSB | $6,565 | 237 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30