Bank of Marin Bancorp
BMRC- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0001403475
In the last 90 days, Bank of Marin Bancorp insiders filed 1 open-market purchase and 0 sales; 142 institutions reported holding it in 13F filings for Q2 2026, worth $299.8M in total; no superinvestor holds it.
Holders of 5% or more of BMRC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bank of Marin Bancorp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 6.80%1.10M shares | −1.10 ppfrom 7.90% | Apr 17, 20252 filings | Oct 17, 2025 | SEC |
| Wellington Management Group LLP | 13G | 5.90%943.5K shares | New | Nov 12, 20251 filing | Nov 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Bank of Marin Bancorp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20264:11 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 5.90%943.5K shares | New | Sep 30, 2025 | SEC |
| Oct 17, 20256:40 PM ET | BlackRock, Inc. | 13G/A | 6.80%1.10M shares | −1.10 ppfrom 7.90% | Sep 30, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 7.90%1.27M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Bank of Marin Bancorp shares.
No Form 144 notices for Bank of Marin Bancorp are on file.