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.
13F holders, Q1 2026
Institutional positions in Bank of Marin Bancorp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 140
- +9 vs. Q4 2025
- Shares held
- 10.5M
- +1.26M (+13.6%) vs. Q4 2025
- Total value
- $270.3M
- +$28.9M (+12.0%) vs. Q4 2025
- New holders
- 20
- 43 more added
- Sold out
- 11
- 47 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BMRC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 142 | $299.8M |
| Q1 2026 | 140 | $270.3M |
| Q4 2025 | 133 | $263.3M |
| Q3 2025 | 138 | $249.6M |
| Q2 2025 | 119 | $226.0M |
| Q1 2025 | 124 | $211.9M |
| Q4 2024 | 117 | $220.2M |
| Q3 2024 | 108 | $178.1M |
| Q2 2024 | 96 | $145.2M |
| Q1 2024 | 102 | $141.6M |
| Q4 2023 | 97 | $186.3M |
| Q3 2023 | 93 | $153.8M |
| Q2 2023 | 95 | $146.1M |
| Q1 2023 | 100 | $184.1M |
| Q4 2022 | 97 | $259.9M |
| Q3 2022 | 94 | $235.3M |
| Q2 2022 | 96 | $256.0M |
| Q1 2022 | 101 | $266.7M |
| Q4 2021 | 98 | $282.8M |
| Q3 2021 | 100 | $289.6M |
| Q2 2021 | 95 | $198.1M |
| Q1 2021 | 93 | $231.1M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Bank of Marin Bancorp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,401,775 | $35.9M | 0.00% | −19,274−1.4% | Reduced |
| Dimensional Fund Advisors LP | 802,865 | $20.6M | 0.00% | +32,048+4.2% | Added |
| Vanguard Capital Management LLC | 642,672 | $16.5M | 0.00% | +642,672 | New |
| Alliancebernstein L.P. | 623,046 | $16.2M | 0.01% | −36,916−5.6% | Reduced |
| Wellington Management Group LLP | 632,000 | $16.2M | 0.00% | −290,642−31.5% | Reduced |
| HoldCo Asset Management, L.P. | 504,411 | $12.9M | 0.96% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 458,812 | $11.8M | 0.01% | +8,758+1.9% | Added |
| Geode Capital Management, LLC | 390,301 | $10.0M | 0.00% | +4,474+1.2% | Added |
| Ameriprise Financial Inc | 374,883 | $9.61M | 0.00% | −6,672−1.7% | Reduced |
| State Street Corp | 340,004 | $8.71M | 0.00% | +3,207+1.0% | Added |
| Two Sigma Investments, LP | 266,577 | $6.83M | 0.01% | +126,910+90.9% | Added |
| Hotchkis & Wiley Capital Management LLC | 260,596 | $6.68M | 0.02% | −9,570−3.5% | Reduced |
| Heartland Advisors Inc | 250,000 | $6.41M | 0.33% | +50,430+25.3% | Added |
| Morgan Stanley | 240,431 | $6.16M | 0.00% | −21,765−8.3% | Reduced |
| UBS Group AG | 199,677 | $5.12M | 0.00% | +159,853+401.4% | Added |
| Citadel Advisors LLC | 178,753 | $4.58M | 0.00% | +115,915+184.5% | Added |
| Charles Schwab Investment Management Inc | 125,385 | $3.21M | 0.00% | −3,628−2.8% | Reduced |
| Northern Trust Corp | 125,178 | $3.21M | 0.00% | +7,849+6.7% | Added |
| Kennedy Capital Management, Inc. | 123,280 | $3.16M | 0.07% | +2,232+1.8% | Added |
| Renaissance Technologies LLC | 119,392 | $3.06M | 0.00% | +24,100+25.3% | Added |
| AQR Capital Management LLC | 117,649 | $3.02M | 0.00% | −488−0.4% | Reduced |
| Westmount Partners, LLC | 115,484 | $2.96M | 0.73% | +925+0.8% | Added |
| Acadian Asset Management LLC | 110,942 | $2.84M | 0.00% | −7,108−6.0% | Reduced |
| Vanguard Portfolio Management LLC | 110,474 | $2.83M | 0.00% | +110,474 | New |
| Vanguard Fiduciary Trust Co | 106,797 | $2.74M | 0.00% | +106,797 | New |
| Michael B. Yongue | 97,046 | $2.49M | 1.81% | −7,000−6.7% | Reduced |
| Los Angeles Capital Management LLC | 90,412 | $2.32M | 0.01% | +90,412 | New |
| Prudential Financial Inc | 79,072 | $2.03M | 0.00% | −18,430−18.9% | Reduced |
| Qube Research & Technologies Ltd | 78,090 | $2.00M | 0.00% | +67,652+648.1% | Added |
| Bank of New York Mellon Corp | 77,699 | $1.99M | 0.00% | +5,154+7.1% | Added |
| Algebris (UK) Ltd | 75,315 | $1.93M | 0.14% | +75,315 | New |
| Goldman Sachs Group Inc | 68,741 | $1.76M | 0.00% | +17,514+34.2% | Added |
| Fisher Asset Management, LLC | 63,926 | $1.64M | 0.00% | +11,499+21.9% | Added |
| Perigon Wealth Management, LLC | 61,081 | $1.57M | 0.03% | −218−0.4% | Reduced |
| Quantinno Capital Management LP | 59,476 | $1.52M | 0.00% | +10,142+20.6% | Added |
| Creative Planning | 56,992 | $1.46M | 0.00% | −5,003−8.1% | Reduced |
| United Capital Financial Advisers, LLC | 50,942 | $1.31M | 0.01% | +50,942 | New |
| Millennium Management LLC | 46,550 | $1.19M | 0.00% | +37,818+433.1% | Added |
| Jane Street Group, LLC | 42,071 | $1.08M | 0.00% | −8,890−17.4% | Reduced |
| Fourthstone LLC | 41,834 | $1.07M | 0.18% | +32,734+359.7% | Added |
| Trexquant Investment LP | 39,957 | $1.02M | 0.01% | +3,294+9.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 39,224 | $1.01M | 0.00% | +3,330+9.3% | Added |
| American Century Companies Inc | 38,542 | $987.8K | 0.00% | −466−1.2% | Reduced |
| D. E. Shaw & Co., Inc. | 37,672 | $965.5K | 0.00% | +37,672 | New |
| Private Wealth Partners, LLC | 36,983 | $947.9K | 0.07% | 00.0% | Unchanged |
| Nuveen, LLC | 30,324 | $777.2K | 0.00% | +4,027+15.3% | Added |
| RBF Capital, LLC | 30,000 | $768.9K | 0.04% | 00.0% | Unchanged |
| SummerHaven Investment Management, LLC | 28,609 | $733.2K | 0.45% | −4,310−13.1% | Reduced |
| Barclays PLC | 27,388 | $702.0K | 0.00% | −20,100−42.3% | Reduced |
| Bridgeway Capital Management, LLC | 26,024 | $667.0K | 0.01% | −11,000−29.7% | Reduced |
| Bank of America Corp | 25,590 | $655.9K | 0.00% | −6,906−21.3% | Reduced |
| Invesco Ltd. | 25,233 | $646.7K | 0.00% | −997−3.8% | Reduced |
| Wealthspire Advisors, LLC | 24,231 | $621.0K | 0.00% | −540−2.2% | Reduced |
| Freestone Capital Holdings, LLC | 23,258 | $596.1K | 0.02% | 00.0% | Unchanged |
| XTX Topco Ltd | 22,905 | $587.1K | 0.01% | +14,131+161.1% | Added |
| Cerity Partners LLC | 22,439 | $575.1K | 0.00% | +16+0.1% | Added |
| SEI Investments Co | 22,011 | $564.1K | 0.00% | +12,914+142.0% | Added |
| Caldwell Sutter Capital, Inc. | 20,390 | $522.6K | 0.21% | 00.0% | Unchanged |
| Stifel Financial Corp | 20,186 | $517.5K | 0.00% | +20,186 | New |
| Rhumbline Advisers | 18,651 | $478.0K | 0.00% | −444−2.3% | Reduced |
| State of Wisconsin Investment Board | 18,584 | $476.3K | 0.00% | +1,971+11.9% | Added |
| Wells Fargo & Company | 17,150 | $439.6K | 0.00% | −10,932−38.9% | Reduced |
| Squarepoint Ops LLC | 15,620 | $400.3K | 0.00% | +15,620 | New |
| Bridge City Capital, LLC | 15,530 | $398.0K | 0.11% | −892−5.4% | Reduced |
| Princeton Capital Management LLC | 15,059 | $386.0K | 0.11% | +5,000+49.7% | Added |
| Fiduciary Financial Group, LLC | 14,069 | $360.6K | 0.05% | 00.0% | Unchanged |
| Franklin Resources Inc | 12,387 | $317.5K | 0.00% | −457−3.6% | Reduced |
| Apella Capital, LLC | 12,000 | $316.9K | 0.00% | +12,000 | New |
| Beacon Pointe Advisors, LLC | 12,051 | $308.9K | 0.00% | +12,051 | New |
| Financial Connections Group, Inc. | 12,000 | $307.0K | 0.11% | 00.0% | Unchanged |
| Deutsche Bank AG | 11,918 | $305.5K | 0.00% | −508−4.1% | Reduced |
| Integrated Quantitative Investments LLC | 11,464 | $293.8K | 0.05% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 11,286 | $289.4K | 0.02% | −951−7.8% | Reduced |
| Empowered Funds, LLC | 10,977 | $281.3K | 0.00% | +10,977 | New |
| Thrivent Financial for Lutherans | 10,189 | $261.0K | 0.00% | +10,189 | New |
| Lodestar Private Asset Management LLC | 10,156 | $260.3K | 0.03% | +925+10.0% | Added |
| Price T Rowe Associates Inc | 10,116 | $260.0K | 0.00% | +1,277+14.4% | Added |
| Susquehanna Portfolio Strategies, LLC | 9,303 | $238.4K | 0.00% | −233−2.4% | Reduced |
| KCM Investment Advisors LLC | 9,240 | $236.8K | 0.01% | 00.0% | Unchanged |
| Ieq Capital, LLC | 9,033 | $231.5K | 0.00% | −523−5.5% | Reduced |
| MetLife Investment Management | 8,917 | $228.5K | 0.00% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 8,887 | $227.8K | 0.01% | +8,887 | New |
| Wulff, Hansen & Co. | 8,542 | $218.9K | 0.22% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 7,378 | $187.9K | 0.00% | +811+12.3% | Added |
| MAI Capital Management | 7,106 | $182.1K | 0.00% | −346−4.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 7,008 | $179.6K | 0.00% | +170+2.5% | Added |
| CWM, LLC | 6,648 | $170.4K | 0.00% | +88+1.3% | Added |
| Vanguard Global Advisers, LLC | 6,521 | $167.1K | 0.00% | +6,521 | New |
| New York State Common Retirement Fund | 5,933 | $152.1K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 5,543 | $142.1K | 0.00% | +43+0.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,134 | $106.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 3,884 | $99.5K | 0.00% | +449+13.1% | Added |
| Rockefeller Capital Management L.P. | 3,688 | $94.5K | 0.00% | +828+29.0% | Added |
| BNP Paribas Arbitrage, SA | 3,203 | $82.1K | 0.00% | −181−5.3% | Reduced |
| Parallel Advisors, LLC | 3,109 | $79.7K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 3,103 | $79.5K | 0.00% | −43−1.4% | Reduced |
| Quadrant Capital Group LLC | 2,455 | $62.9K | 0.00% | −298−10.8% | Reduced |
| UBS Asset Management Americas Inc | 1,800 | $46.1K | 0.00% | +1,664+1,223.5% | Added |
| Royal Bank of Canada | 1,822 | $46.0K | 0.00% | −407−18.3% | Reduced |
| Versant Capital Management, Inc | 1,567 | $40.2K | 0.00% | 00.0% | Unchanged |