Bank of Marin BancorpBMRC
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 133 institutions reported holding Bank of Marin Bancorp (BMRC) in their 13F filings, down 5 from Q3 2025. 10 opened new positions and 12 sold out. The largest holders were BlackRock, Inc. ($37.0M), Wellington Management Group LLP ($24.0M) and Vanguard Group Inc. ($21.9M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Bank of Marin Bancorp
- Filed as
- BANK MARIN BANCORP (Q4 2025)
- CUSIP
- 063425102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $10.9M |
| Exits | 12 | $5.9M |
All 13F filers, Q3 2025 → Q4 2025: 708,645 shares bought and 811,060 shares sold, net −102,415 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 133 holders
| BlackRock, Inc. | 0.00% | Reduce -0.4% | 1,421,049 | $37.0M |
| Wellington Management Group LLP | 0.00% | Reduce -2.2% | 922,642 | $24.0M |
| Vanguard Group Inc. | 0.00% | Add +0.5% | 843,183 | $21.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -2.1% | 770,817 | $20.0M |
| Alliancebernstein L.P. | 0.01% | Reduce -2.0% | 659,962 | $17.2M |
| HoldCo Asset Management, LP | 0.99% | No change | 504,411 | $13.1M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -0.6% | 450,054 | $11.7M |
| Geode Capital Management, LLC | 0.00% | Add +3.6% | 385,827 | $10.0M |
| Ameriprise Financial Inc. | 0.00% | Add +0.9% | 381,555 | $9.9M |
| State Street Corp. | 0.00% | Reduce -3.7% | 336,797 | $8.8M |
| Hotchkis & Wiley Capital Management LLC | 0.02% | Reduce -1.1% | 270,166 | $7.0M |
| Morgan Stanley | 0.00% | Add +12.6% | 262,196 | $6.8M |
| Heartland Advisors Inc. | 0.28% | New | 199,570 | $5.2M |
| Two Sigma Investments, LP | 0.01% | Add +12.8% | 139,667 | $3.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.1% | 129,013 | $3.4M |
| Kennedy Capital Management LLC | 0.07% | Reduce -0.6% | 121,048 | $3.1M |
| AQR Capital Management | 0.00% | Add +9.3% | 118,137 | $3.1M |
| Acadian Asset Management LLC | 0.01% | Add +4.7% | 118,050 | $3.1M |
| Northern Trust Corp. | 0.00% | Reduce -5.5% | 117,329 | $3.1M |
| Westmount Partners, LLC | 0.74% | New | 114,559 | $3.0M |
| Two Sigma Advisers, LP | 0.01% | Add +16.0% | 110,964 | $2.9M |
| Bank of Marin | 1.87% | Add +364.7% | 104,046 | $2.7M |
| Prudential Financial Inc. | 0.00% | Reduce -0.1% | 97,502 | $2.5M |
| Renaissance Technologies | 0.00% | Reduce -8.3% | 95,292 | $2.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.6% | 72,545 | $1.9M |
| Citadel Advisors | 0.00% | New | 62,838 | $1.6M |
| Creative Planning | 0.00% | Add +3.1% | 61,995 | $1.6M |
| Perigon Wealth Management, LLC | 0.03% | Reduce -0.7% | 61,299 | $1.6M |
| Fisher Asset Management | 0.00% | No change | 52,427 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +38.5% | 51,227 | $1.3M |
| Jane Street Group, LLC | 0.00% | Add +39.3% | 50,961 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +20.1% | 49,334 | $1.3M |
| Barclays PLC | 0.00% | Add +4.9% | 47,488 | $1.2M |
| Raymond James Financial Inc. | 0.00% | Add +439.2% | 45,478 | $1.2M |
| UBS Group AG | 0.00% | Reduce -76.1% | 39,824 | $1.0M |
| American Century Companies Inc. | 0.00% | Reduce -2.0% | 39,008 | $1.0M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -64.2% | 37,024 | $963K |
| Private Wealth Partners, LLC | 0.07% | No change | 36,983 | $962K |
| Trexquant Investment LP | 0.01% | Reduce -25.9% | 36,663 | $954K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +14.3% | 35,894 | $934K |
| SummerHaven Investment Management, LLC | 0.49% | No change | 32,919 | $856K |
| Bank of America Corp. | 0.00% | Reduce -0.6% | 32,496 | $845K |
| RBF Capital, LLC | 0.04% | Reduce -0.3% | 30,000 | $780K |
| Wells Fargo & Company | 0.00% | Add +22.7% | 28,082 | $730K |
| Nuveen, LLC | 0.00% | No change | 26,297 | $684K |
| Invesco Ltd. | 0.00% | Reduce -16.9% | 26,230 | $682K |
| Wealthspire Advisors, LLC | 0.01% | Add +20.7% | 24,771 | $644K |
| Freestone Capital Holdings, LLC | 0.02% | No change | 23,258 | $605K |
| Cerity Partners LLC | 0.00% | Reduce -2.5% | 22,423 | $583K |
| Caldwell Sutter Capital, Inc. | 0.22% | No change | 20,390 | $530K |
| Rhumbline Advisers | 0.00% | Reduce -15.8% | 19,095 | $497K |
| State of Wisconsin Investment Board | 0.00% | Add +33.5% | 16,613 | $432K |
| Bridge City Capital, LLC | 0.13% | Add +30.7% | 16,422 | $427K |
| State of Wyoming | 0.05% | Add +2.8% | 15,885 | $413K |
| Fiduciary Financial Group, LLC | 0.05% | No change | 14,069 | $366K |
| Franklin Resources Inc. | 0.00% | Reduce -50.9% | 12,844 | $334K |
| Deutsche Bank AG | 0.00% | No change | 12,426 | $323K |
| Occudo Quantitative Strategies LP | 0.02% | Add +32.9% | 12,237 | $318K |
| Financial Connections Group, Inc. | 0.11% | No change | 12,000 | $312K |
| Integrated Quantitative Investments LLC | 0.06% | Add +10.0% | 11,464 | $298K |
| AlphaQuest LLC | 0.02% | Add +32.3% | 10,640 | $277K |
| Engineers Gate Manager LP | 0.00% | Reduce -5.6% | 10,510 | $273K |
| Qube Research & Technologies Ltd | 0.00% | New | 10,438 | $271K |
| Princeton Capital Management LLC | 0.07% | No change | 10,059 | $262K |
| Ieq Capital, LLC | 0.00% | Add +11.9% | 9,556 | $249K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | Reduce -1.9% | 9,536 | $248K |
| KCM Investment Advisors LLC | 0.01% | No change | 9,240 | $240K |
| Lodestar Private Asset Management LLC | 0.02% | No change | 9,231 | $240K |
| Canada Pension Plan Investment Board | 0.00% | New | 9,200 | $239K |
| Fourthstone LLC | 0.04% | Reduce -95.9% | 9,100 | $237K |
| Sei Investments Co. | 0.00% | No change | 9,097 | $237K |
| MetLife Investment Management, LLC | 0.00% | No change | 8,917 | $232K |
| T. Rowe Price Associates Inc. | 0.00% | New | 8,839 | $230K |
| XTX Topco Ltd | 0.01% | Reduce -38.6% | 8,774 | $228K |
| Millennium Management | 0.00% | Reduce -48.7% | 8,732 | $227K |
| Ballentine Partners, LLC | 0.00% | Reduce -3.9% | 8,682 | $226K |
| Wulff, Hansen & Co. | 0.19% | No change | 8,542 | $222K |
| Blair William & Co. | 0.00% | New | 7,828 | $204K |
| MAI Capital Management | 0.00% | Add +0.2% | 7,452 | $194K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.4% | 6,838 | $178K |
| Cwm, LLC | 0.00% | Add +2.9% | 6,560 | $171K |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.5% | 6,567 | $171K |
| New York State Common Retirement Fund | 0.00% | No change | 5,933 | $154K |
| US Bancorp \de | 0.00% | No change | 5,500 | $143K |
| SG Americas Securities, LLC | 0.00% | New | 4,413 | $115K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,134 | $108K |
| FMR LLC | 0.00% | Add +8.7% | 3,435 | $89K |
| BNP Paribas Financial Markets | 0.00% | Add +17.0% | 3,384 | $88K |
| Allworth Financial LP | 0.00% | Reduce -24.8% | 3,146 | $82K |
| Parallel Advisors, LLC | 0.00% | No change | 3,109 | $81K |
| Aquatic Capital Management LLC | 0.00% | Reduce -47.4% | 3,092 | $80K |
| Rockefeller Capital Management L.P. | 0.00% | Add +6.7% | 2,860 | $74K |
| Quadrant Capital Group LLC | 0.00% | Add +17.4% | 2,753 | $72K |
| Royal Bank of Canada | 0.00% | Reduce -26.1% | 2,229 | $58K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 1,572 | $41K |
| Versant Capital Management, Inc | 0.01% | No change | 1,567 | $41K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +33.6% | 1,507 | $39K |
| Legal & General Group Plc | 0.00% | No change | 1,359 | $35K |
| Russell Investments Group, Ltd. | 0.00% | No change | 1,269 | $33K |
| Ameritas Investment Partners, Inc. | 0.00% | Reduce -22.9% | 1,196 | $31K |
"% of holder's portfolio" is BMRC's weight in each manager's 13F, not the share of Bank of Marin Bancorp the manager owns.