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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, Q2 2026

Institutional positions in Bank of Marin Bancorp as of Jun 30, 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
142
+5 vs. Q1 2026
Shares held
10.9M
+349.3K (+3.3%) vs. Q1 2026
Total value
$299.8M
+$29.9M (+11.1%) vs. Q1 2026
New holders
17
55 more added
Sold out
12
34 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 142 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 heldQ2 2026: $299.8M
Q1 2021: $231.1MQ2 2021: $198.1MQ3 2021: $289.6MQ4 2021: $284.1MQ1 2022: $266.7MQ2 2022: $256.0MQ3 2022: $235.3MQ4 2022: $259.9MQ1 2023: $184.2MQ2 2023: $146.1MQ3 2023: $153.8MQ4 2023: $191.3MQ1 2024: $148.9MQ2 2024: $145.4MQ3 2024: $178.5MQ4 2024: $220.2MQ1 2025: $211.9MQ2 2025: $226.1MQ3 2025: $249.8MQ4 2025: $264.1MQ1 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$264.1M
Q3 2025138$249.8M
Q2 2025119$226.1M
Q1 2025124$211.9M
Q4 2024117$220.2M
Q3 2024108$178.5M
Q2 202496$145.4M
Q1 2024102$148.9M
Q4 202397$191.3M
Q3 202393$153.8M
Q2 202395$146.1M
Q1 2023100$184.2M
Q4 202297$259.9M
Q3 202294$235.3M
Q2 202296$256.0M
Q1 2022101$266.7M
Q4 202198$284.1M
Q3 2021100$289.6M
Q2 202195$198.1M
Q1 202193$231.1M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Bank of Marin Bancorp; share changes are against Q1 2026.

Institutions holding BMRC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,600,224$44.3M0.00%+198,449+14.2%Added
Dimensional Fund Advisors LP680,239$18.8M0.00%−122,626−15.3%Reduced
Vanguard Capital Management LLC657,941$18.2M0.00%+15,269+2.4%Added
Alliancebernstein L.P.613,724$15.7M0.01%−9,322−1.5%Reduced
HoldCo Asset Management, L.P.504,411$14.0M0.90%00.0%Unchanged
Manufacturers Life Insurance Company, The456,401$12.6M0.01%−2,411−0.5%Reduced
Ameriprise Financial Inc420,473$11.6M0.00%+45,590+12.2%Added
Geode Capital Management, LLC413,173$11.4M0.00%+22,872+5.9%Added
Two Sigma Investments, LP361,575$10.0M0.01%+94,998+35.6%Added
State Street Corp344,314$9.54M0.00%+4,310+1.3%Added
Heartland Advisors Inc325,508$9.02M0.40%+75,508+30.2%Added
Algebris (UK) Ltd293,040$8.09M0.53%+217,725+289.1%Added
Morgan Stanley271,960$7.53M0.00%+31,529+13.1%Added
Hotchkis & Wiley Capital Management LLC264,196$7.32M0.02%+3,600+1.4%Added
Citadel Advisors LLC255,290$7.07M0.00%+76,537+42.8%Added
Qube Research & Technologies Ltd183,331$5.08M0.01%+105,241+134.8%Added
AQR Capital Management LLC168,484$4.67M0.00%+50,835+43.2%Added
Charles Schwab Investment Management Inc137,428$3.81M0.00%+12,043+9.6%Added
Northern Trust Corp134,145$3.72M0.00%+8,967+7.2%Added
Renaissance Technologies LLC132,381$3.67M0.01%+12,989+10.9%Added
Vanguard Portfolio Management LLC124,798$3.46M0.00%+14,324+13.0%Added
Kennedy Capital Management, Inc.120,894$3.35M0.06%−2,386−1.9%Reduced
Westmount Partners, LLC115,484$3.20M0.70%00.0%Unchanged
Vanguard Fiduciary Trust Co105,638$2.93M0.00%−1,159−1.1%Reduced
Los Angeles Capital Management LLC99,891$2.77M0.01%+9,479+10.5%Added
Michael B. Yongue97,046$2.69M1.87%00.0%Unchanged
Algert Global LLC92,918$2.57M0.03%+92,918New
Quantinno Capital Management LP90,470$2.51M0.00%+30,994+52.1%Added
Goldman Sachs Group Inc90,029$2.49M0.00%+21,288+31.0%Added
Bank of New York Mellon Corp79,941$2.21M0.00%+2,242+2.9%Added
Boothbay Fund Management, LLC79,090$2.19M0.04%+79,090New
D. E. Shaw & Co., Inc.72,691$2.01M0.00%+35,019+93.0%Added
Marshall Wace, LLP72,258$2.00M0.00%+72,258New
PMC FIG Opportunities LLC70,959$1.97M3.16%+70,959New
Fisher Asset Management, LLC68,966$1.91M0.00%+5,040+7.9%Added
Creative Planning66,201$1.83M0.00%+9,209+16.2%Added
Perigon Wealth Management, LLC60,887$1.69M0.03%−194−0.3%Reduced
Trexquant Investment LP53,272$1.48M0.01%+13,315+33.3%Added
Point72 Asset Management, L.P.40,302$1.12M0.00%+40,302New
Connor, Clark & Lunn Investment Management Ltd.40,253$1.12M0.00%+1,029+2.6%Added
American Century Companies Inc38,357$1.06M0.00%−185−0.5%Reduced
Private Wealth Partners, LLC36,983$1.02M0.07%00.0%Unchanged
United Capital Financial Advisers, LLC34,641$959.6K0.01%−16,301−32.0%Reduced
Millennium Management LLC32,876$910.7K0.00%−13,674−29.4%Reduced
Squarepoint Ops LLC32,763$907.5K0.00%+17,143+109.8%Added
Nuveen, LLC30,324$840.0K0.00%00.0%Unchanged
RBF Capital, LLC30,000$831.0K0.03%00.0%Unchanged
SummerHaven Investment Management, LLC28,609$792.5K0.42%00.0%Unchanged
Barclays PLC26,963$746.9K0.00%−425−1.6%Reduced
Acadian Asset Management LLC26,006$719.0K0.00%−84,936−76.6%Reduced
Bank of America Corp24,474$677.9K0.00%−1,116−4.4%Reduced
Wealthspire Advisors, LLC24,231$671.2K0.00%00.0%Unchanged
Wells Fargo & Company23,847$660.6K0.00%+6,697+39.0%Added
UBS Group AG23,622$654.3K0.00%−176,055−88.2%Reduced
Freestone Capital Holdings, LLC23,258$644.2K0.02%00.0%Unchanged
Cerity Partners LLC23,054$638.6K0.00%+615+2.7%Added
Prudential Financial Inc22,672$628.0K0.00%−56,400−71.3%Reduced
Invesco Ltd.21,890$606.4K0.00%−3,343−13.2%Reduced
Caldwell Sutter Capital, Inc.20,390$564.8K0.21%00.0%Unchanged
Stifel Financial Corp20,242$560.6K0.00%+56+0.3%Added
XTX Topco Ltd20,165$558.6K0.01%−2,740−12.0%Reduced
State of Wisconsin Investment Board19,254$533.3K0.00%+670+3.6%Added
Rhumbline Advisers18,801$520.8K0.00%+150+0.8%Added
LPL Financial LLC18,113$501.7K0.00%+18,113New
Princeton Capital Management LLC15,059$417.1K0.09%00.0%Unchanged
Bridgeway Capital Management, LLC15,047$416.8K0.01%−10,977−42.2%Reduced
SEI Investments Co14,619$405.0K0.00%−7,392−33.6%Reduced
Deutsche Bank AG14,609$404.7K0.00%+2,691+22.6%Added
Bridge City Capital, LLC14,170$392.5K0.09%−1,360−8.8%Reduced
Fiduciary Financial Group, LLC14,069$389.7K0.04%00.0%Unchanged
Ieq Capital, LLC13,710$379.8K0.00%+4,677+51.8%Added
Russell Investments Group, Ltd.12,685$351.4K0.00%+11,549+1,016.6%Added
Price T Rowe Associates Inc12,458$346.0K0.00%+2,342+23.2%Added
Panagora Asset Management Inc12,375$342.8K0.00%+12,375New
Apella Capital, LLC12,000$340.9K0.00%00.0%Unchanged
R Squared Ltd12,207$338.1K0.18%+12,207New
BNP Paribas Arbitrage, SA12,027$333.1K0.00%+8,824+275.5%Added
Thrivent Financial for Lutherans10,189$282.0K0.00%00.0%Unchanged
Brevan Howard Capital Management LP10,175$281.8K0.00%+10,175New
Lodestar Private Asset Management LLC10,156$281.3K0.02%00.0%Unchanged
Mercer Global Advisors Inc10,033$277.9K0.00%+10,033New
Wealth Enhancement Advisory Services, LLC9,357$266.2K0.00%+9,357New
Atom Investors LP9,502$263.2K0.02%+9,502New
Occudo Quantitative Strategies LP9,348$258.9K0.01%−1,938−17.2%Reduced
Susquehanna Portfolio Strategies, LLC9,303$257.7K0.00%00.0%Unchanged
KCM Investment Advisors LLC9,240$255.9K0.01%00.0%Unchanged
RSM US Wealth Management LLC9,094$251.9K0.00%+9,094New
Wulff, Hansen & Co.8,542$236.6K0.18%00.0%Unchanged
MAI Capital Management8,424$233.3K0.00%+1,318+18.5%Added
MetLife Investment Management8,227$227.9K0.00%−690−7.7%Reduced
Blair William & Co7,603$210.6K0.00%+7,603New
JPMorgan Chase & Co7,242$199.8K0.00%−136−1.8%Reduced
Citigroup Inc6,918$191.6K0.00%+6,233+909.9%Added
Mirae Asset Global ETFs Holdings Ltd.6,895$191.0K0.00%−113−1.6%Reduced
Vanguard Global Advisers, LLC6,521$180.6K0.00%00.0%Unchanged
US Bancorp5,936$164.4K0.00%+393+7.1%Added
New York State Common Retirement Fund5,933$164.3K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.4,946$137.0K0.00%+4,604+1,346.2%Added
FMR LLC4,247$117.7K0.00%+363+9.3%Added
Police & Firemen's Retirement System of New Jersey4,134$114.5K0.00%00.0%Unchanged