Skip to main content

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, Q4 2025

Institutional positions in Bank of Marin Bancorp as of Dec 31, 2025. 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
133
−1 vs. Q3 2025
Shares held
10.1M
−101.2K (−1.0%) vs. Q3 2025
Total value
$263.3M
+$14.6M (+5.9%) vs. Q3 2025
New holders
11
43 more added
Sold out
12
43 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 133 institutions
Q1 2021: 93 institutionsQ2 2021: 95 institutionsQ3 2021: 100 institutionsQ4 2021: 98 institutionsQ1 2022: 101 institutionsQ2 2022: 96 institutionsQ3 2022: 94 institutionsQ4 2022: 97 institutionsQ1 2023: 100 institutionsQ2 2023: 95 institutionsQ3 2023: 93 institutionsQ4 2023: 97 institutionsQ1 2024: 102 institutionsQ2 2024: 96 institutionsQ3 2024: 108 institutionsQ4 2024: 117 institutionsQ1 2025: 124 institutionsQ2 2025: 119 institutionsQ3 2025: 138 institutionsQ4 2025: 133 institutionsQ1 2026: 140 institutionsQ2 2026: 142 institutions
Value heldQ4 2025: $263.3M
Q1 2021: $231.1MQ2 2021: $198.1MQ3 2021: $289.6MQ4 2021: $282.8MQ1 2022: $266.7MQ2 2022: $256.0MQ3 2022: $235.3MQ4 2022: $259.9MQ1 2023: $184.1MQ2 2023: $146.1MQ3 2023: $153.8MQ4 2023: $186.3MQ1 2024: $141.6MQ2 2024: $145.2MQ3 2024: $178.1MQ4 2024: $220.2MQ1 2025: $211.9MQ2 2025: $226.0MQ3 2025: $249.6MQ4 2025: $263.3MQ1 2026: $270.3MQ2 2026: $299.8M
Institutions holding BMRC and their total value by quarter
QuarterHoldersValue
Q2 2026142$299.8M
Q1 2026140$270.3M
Q4 2025133$263.3M
Q3 2025138$249.6M
Q2 2025119$226.0M
Q1 2025124$211.9M
Q4 2024117$220.2M
Q3 2024108$178.1M
Q2 202496$145.2M
Q1 2024102$141.6M
Q4 202397$186.3M
Q3 202393$153.8M
Q2 202395$146.1M
Q1 2023100$184.1M
Q4 202297$259.9M
Q3 202294$235.3M
Q2 202296$256.0M
Q1 2022101$266.7M
Q4 202198$282.8M
Q3 2021100$289.6M
Q2 202195$198.1M
Q1 202193$231.1M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Bank of Marin Bancorp; share changes are against Q3 2025.

Institutions holding BMRC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,421,049$37.0M0.00%−5,669−0.4%Reduced
Wellington Management Group LLP922,642$24.0M0.00%−20,892−2.2%Reduced
Vanguard Group Inc843,183$21.9M0.00%+4,560+0.5%Added
Dimensional Fund Advisors LP770,817$20.0M0.00%−16,767−2.1%Reduced
Alliancebernstein L.P.659,962$17.2M0.01%−13,556−2.0%Reduced
HoldCo Asset Management, L.P.504,411$13.1M0.99%00.0%Unchanged
Manufacturers Life Insurance Company, The450,054$11.7M0.01%−2,813−0.6%Reduced
Geode Capital Management, LLC385,827$10.0M0.00%+13,258+3.6%Added
Ameriprise Financial Inc381,555$9.92M0.00%+3,490+0.9%Added
State Street Corp336,797$8.76M0.00%−13,029−3.7%Reduced
Hotchkis & Wiley Capital Management LLC270,166$7.03M0.02%−3,100−1.1%Reduced
Morgan Stanley262,196$6.82M0.00%+29,394+12.6%Added
Heartland Advisors Inc199,570$5.19M0.28%+199,570New
Two Sigma Investments, LP139,667$3.63M0.01%+15,878+12.8%Added
Charles Schwab Investment Management Inc129,013$3.36M0.00%−95−0.1%Reduced
Kennedy Capital Management, Inc.121,048$3.15M0.07%−753−0.6%Reduced
AQR Capital Management LLC118,137$3.07M0.00%+10,041+9.3%Added
Acadian Asset Management LLC118,050$3.07M0.01%+5,256+4.7%Added
Northern Trust Corp117,329$3.05M0.00%−6,866−5.5%Reduced
Westmount Partners, LLC114,559$2.98M0.74%+114,559New
Two Sigma Advisers, LP110,964$2.89M0.01%+15,300+16.0%Added
Michael B. Yongue104,046$2.71M1.87%+81,656+364.7%Added
Prudential Financial Inc97,502$2.54M0.00%−76−0.1%Reduced
Renaissance Technologies LLC95,292$2.48M0.00%−8,576−8.3%Reduced
Bank of New York Mellon Corp72,545$1.89M0.00%−454−0.6%Reduced
Citadel Advisors LLC62,838$1.63M0.00%+62,838New
Creative Planning61,995$1.61M0.00%+1,862+3.1%Added
Perigon Wealth Management, LLC61,299$1.59M0.03%−453−0.7%Reduced
Fisher Asset Management, LLC52,427$1.36M0.00%00.0%Unchanged
Goldman Sachs Group Inc51,227$1.33M0.00%+14,242+38.5%Added
Jane Street Group, LLC50,961$1.33M0.00%+14,383+39.3%Added
Quantinno Capital Management LP49,334$1.28M0.00%+8,259+20.1%Added
Barclays PLC47,488$1.24M0.00%+2,232+4.9%Added
Raymond James Financial Inc45,478$1.18M0.00%+37,044+439.2%Added
UBS Group AG39,824$1.04M0.00%−126,791−76.1%Reduced
American Century Companies Inc39,008$1.01M0.00%−794−2.0%Reduced
Bridgeway Capital Management, LLC37,024$963.0K0.02%−66,283−64.2%Reduced
Private Wealth Partners, LLC36,983$961.9K0.07%00.0%Unchanged
Trexquant Investment LP36,663$953.6K0.01%−12,819−25.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.35,894$933.6K0.00%+4,491+14.3%Added
SummerHaven Investment Management, LLC32,919$856.2K0.49%00.0%Unchanged
Bank of America Corp32,496$845.2K0.00%−193−0.6%Reduced
RBF Capital, LLC30,000$780.3K0.04%−92−0.3%Reduced
Wells Fargo & Company28,082$730.4K0.00%+5,199+22.7%Added
Nuveen, LLC26,297$684.0K0.00%00.0%Unchanged
Invesco Ltd.26,230$682.2K0.00%−5,345−16.9%Reduced
Wealthspire Advisors, LLC24,771$644.3K0.01%+4,246+20.7%Added
Freestone Capital Holdings, LLC23,258$604.9K0.02%00.0%Unchanged
Cerity Partners LLC22,423$583.2K0.00%−576−2.5%Reduced
Caldwell Sutter Capital, Inc.20,390$530.3K0.22%00.0%Unchanged
Rhumbline Advisers19,095$496.7K0.00%−3,575−15.8%Reduced
State of Wisconsin Investment Board16,613$432.1K0.00%+4,172+33.5%Added
Bridge City Capital, LLC16,422$427.1K0.13%+3,856+30.7%Added
State of Wyoming15,885$413.2K0.05%+433+2.8%Added
Fiduciary Financial Group, LLC14,069$365.9K0.05%00.0%Unchanged
Franklin Resources Inc12,844$334.1K0.00%−13,322−50.9%Reduced
Deutsche Bank AG12,426$323.2K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP12,237$318.3K0.02%+3,026+32.9%Added
Financial Connections Group, Inc.12,000$312.0K0.11%00.0%Unchanged
Integrated Quantitative Investments LLC11,464$298.2K0.06%+1,040+10.0%Added
Quest Partners LLC10,640$276.7K0.02%+2,598+32.3%Added
Engineers Gate Manager LP10,510$273.4K0.00%−621−5.6%Reduced
Qube Research & Technologies Ltd10,438$271.5K0.00%+10,438New
Princeton Capital Management LLC10,059$261.6K0.07%00.0%Unchanged
Ieq Capital, LLC9,556$248.6K0.00%+1,015+11.9%Added
Susquehanna Portfolio Strategies, LLC9,536$248.0K0.00%−180−1.9%Reduced
KCM Investment Advisors LLC9,240$240.3K0.01%00.0%Unchanged
Lodestar Private Asset Management LLC9,231$240.1K0.02%00.0%Unchanged
Canada Pension Plan Investment Board9,200$239.3K0.00%+9,200New
Fourthstone LLC9,100$236.7K0.04%−213,034−95.9%Reduced
SEI Investments Co9,097$236.6K0.00%00.0%Unchanged
MetLife Investment Management8,917$231.9K0.00%00.0%Unchanged
Price T Rowe Associates Inc8,839$230.0K0.00%+8,839New
XTX Topco Ltd8,774$228.2K0.01%−5,522−38.6%Reduced
Millennium Management LLC8,732$227.1K0.00%−8,286−48.7%Reduced
Ballentine Partners, LLC8,682$225.8K0.00%−355−3.9%Reduced
Wulff, Hansen & Co.8,542$222.2K0.19%00.0%Unchanged
Blair William & Co7,828$203.6K0.00%+7,828New
MAI Capital Management7,452$193.8K0.00%+12+0.2%Added
Mirae Asset Global ETFs Holdings Ltd.6,838$177.9K0.00%+91+1.3%Added
CWM, LLC6,560$171.0K0.00%+184+2.9%Added
JPMorgan Chase & Co6,567$170.8K0.00%−166−2.5%Reduced
New York State Common Retirement Fund5,933$154.3K0.00%00.0%Unchanged
US Bancorp5,500$143.1K0.00%00.0%Unchanged
SG Americas Securities, LLC4,413$115.0K0.00%+4,413New
Police & Firemen's Retirement System of New Jersey4,134$107.5K0.00%00.0%Unchanged
FMR LLC3,435$89.4K0.00%+276+8.7%Added
BNP Paribas Arbitrage, SA3,384$88.0K0.00%+491+17.0%Added
Allworth Financial LP3,146$81.8K0.00%−1,037−24.8%Reduced
Parallel Advisors, LLC3,109$80.9K0.00%00.0%Unchanged
Aquatic Capital Management LLC3,092$80.4K0.00%−2,790−47.4%Reduced
Rockefeller Capital Management L.P.2,860$74.4K0.00%+180+6.7%Added
Quadrant Capital Group LLC2,753$71.6K0.00%+407+17.3%Added
Royal Bank of Canada2,229$58.0K0.00%−785−26.0%Reduced
Pinnacle Wealth Planning Services, Inc.1,572$40.9K0.00%+1,572New
Versant Capital Management, Inc1,567$40.8K0.01%00.0%Unchanged
Great West Life Assurance Co1,507$39.0K0.00%+379+33.6%Added
Legal & General Group Plc1,359$35.3K0.00%00.0%Unchanged
Russell Investments Group, Ltd.1,269$33.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,196$31.1K0.00%−356−22.9%Reduced