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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, 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.

Institutional holdersQ1 2026: 140 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 heldQ1 2026: $270.3M
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, Q1 2026

Shares, value and share of portfolio for each institution holding Bank of Marin Bancorp; share changes are against Q4 2025.

Institutions holding BMRC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth24$00.00%00.0%Unchanged
Advisor Group Holdings, Inc.8$2050.00%00.0%Unchanged
True Wealth Design, LLC8$2060.00%−1−11.1%Reduced
SBI Securities Co., Ltd.15$3840.00%+1+7.1%Added
Basecamp Wealth Advisors LLC22$5640.00%+22New
Cullen/Frost Bankers, Inc.23$5960.00%00.0%Unchanged
Parkside Financial Bank & Trust25$6410.00%00.0%Unchanged
Root Financial Partners, LLC25$6410.00%+25New
Nisa Investment Advisors, LLC32$8200.00%−812−96.2%Reduced
IFP Advisors, Inc65$1.67K0.00%00.0%Unchanged
Torren Management, LLC66$1.70K0.00%−1,120−94.4%Reduced
Farther Finance Advisors, LLC67$1.74K0.00%00.0%Unchanged
UMA Financial Services, Inc.68$1.74K0.00%00.0%Unchanged
Rothschild Investment LLC69$1.77K0.00%+2+3.0%Added
Fortitude Family Office, LLC85$2.18K0.00%00.0%Unchanged
Optiver Holding B.V.148$3.79K0.00%00.0%Unchanged
Red Tortoise LLC185$4.74K0.00%00.0%Unchanged
Private Wealth Management Group, LLC200$5.13K0.00%−21−9.5%Reduced
Fifth Third Bancorp227$5.82K0.00%+227New
Massmutual Trust Co FSB237$6.07K0.00%00.0%Unchanged
Essential Partners LLC270$6.92K0.00%−214−44.2%Reduced
Smartleaf Asset Management LLC333$8.48K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.342$8.77K0.00%+24+7.5%Added
Harbour Investments, Inc.400$10.3K0.00%+400New
Sterling Capital Management LLC488$12.5K0.00%−362−42.6%Reduced
The PNC Financial Services Group, Inc.494$12.7K0.00%−23−4.4%Reduced
EverSource Wealth Advisors, LLC561$14.4K0.00%−45−7.4%Reduced
Advisory Services Network, LLC656$16.8K0.00%+656New
Citigroup Inc685$17.6K0.00%+352+105.7%Added
GAMMA Investing LLC787$20.2K0.00%+98+14.2%Added
California State Teachers Retirement System798$20.5K0.00%−109−12.0%Reduced
Aquatic Capital Management LLC823$21.1K0.00%−2,269−73.4%Reduced
Golden State Wealth Management, LLC1,000$25.6K0.00%00.0%Unchanged
Signaturefd, LLC1,074$27.5K0.00%−49−4.4%Reduced
Russell Investments Group, Ltd.1,136$29.1K0.00%−133−10.5%Reduced
Ameritas Investment Partners, Inc.1,196$30.7K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.1,262$32.3K0.00%−310−19.7%Reduced
Tower Research Capital LLC (TRC)1,277$32.7K0.00%+742+138.7%Added
Legal & General Group Plc1,359$34.8K0.00%00.0%Unchanged
Great West Life Assurance Co1,568$40.0K0.00%+61+4.0%Added
Versant Capital Management, Inc1,567$40.2K0.00%00.0%Unchanged
Royal Bank of Canada1,822$46.0K0.00%−407−18.3%Reduced
UBS Asset Management Americas Inc1,800$46.1K0.00%+1,664+1,223.5%Added
Quadrant Capital Group LLC2,455$62.9K0.00%−298−10.8%Reduced
Allworth Financial LP3,103$79.5K0.00%−43−1.4%Reduced
Parallel Advisors, LLC3,109$79.7K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,203$82.1K0.00%−181−5.3%Reduced
Rockefeller Capital Management L.P.3,688$94.5K0.00%+828+29.0%Added
FMR LLC3,884$99.5K0.00%+449+13.1%Added
Police & Firemen's Retirement System of New Jersey4,134$106.0K0.00%00.0%Unchanged
US Bancorp5,543$142.1K0.00%+43+0.8%Added
New York State Common Retirement Fund5,933$152.1K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC6,521$167.1K0.00%+6,521New
CWM, LLC6,648$170.4K0.00%+88+1.3%Added
Mirae Asset Global ETFs Holdings Ltd.7,008$179.6K0.00%+170+2.5%Added
MAI Capital Management7,106$182.1K0.00%−346−4.6%Reduced
JPMorgan Chase & Co7,378$187.9K0.00%+811+12.3%Added
Wulff, Hansen & Co.8,542$218.9K0.22%00.0%Unchanged
Cornerstone Investment Partners, LLC8,887$227.8K0.01%+8,887New
MetLife Investment Management8,917$228.5K0.00%00.0%Unchanged
Ieq Capital, LLC9,033$231.5K0.00%−523−5.5%Reduced
KCM Investment Advisors LLC9,240$236.8K0.01%00.0%Unchanged
Susquehanna Portfolio Strategies, LLC9,303$238.4K0.00%−233−2.4%Reduced
Price T Rowe Associates Inc10,116$260.0K0.00%+1,277+14.4%Added
Lodestar Private Asset Management LLC10,156$260.3K0.03%+925+10.0%Added
Thrivent Financial for Lutherans10,189$261.0K0.00%+10,189New
Empowered Funds, LLC10,977$281.3K0.00%+10,977New
Occudo Quantitative Strategies LP11,286$289.4K0.02%−951−7.8%Reduced
Integrated Quantitative Investments LLC11,464$293.8K0.05%00.0%Unchanged
Deutsche Bank AG11,918$305.5K0.00%−508−4.1%Reduced
Financial Connections Group, Inc.12,000$307.0K0.11%00.0%Unchanged
Beacon Pointe Advisors, LLC12,051$308.9K0.00%+12,051New
Apella Capital, LLC12,000$316.9K0.00%+12,000New
Franklin Resources Inc12,387$317.5K0.00%−457−3.6%Reduced
Fiduciary Financial Group, LLC14,069$360.6K0.05%00.0%Unchanged
Princeton Capital Management LLC15,059$386.0K0.11%+5,000+49.7%Added
Bridge City Capital, LLC15,530$398.0K0.11%−892−5.4%Reduced
Squarepoint Ops LLC15,620$400.3K0.00%+15,620New
Wells Fargo & Company17,150$439.6K0.00%−10,932−38.9%Reduced
State of Wisconsin Investment Board18,584$476.3K0.00%+1,971+11.9%Added
Rhumbline Advisers18,651$478.0K0.00%−444−2.3%Reduced
Stifel Financial Corp20,186$517.5K0.00%+20,186New
Caldwell Sutter Capital, Inc.20,390$522.6K0.21%00.0%Unchanged
SEI Investments Co22,011$564.1K0.00%+12,914+142.0%Added
Cerity Partners LLC22,439$575.1K0.00%+16+0.1%Added
XTX Topco Ltd22,905$587.1K0.01%+14,131+161.1%Added
Freestone Capital Holdings, LLC23,258$596.1K0.02%00.0%Unchanged
Wealthspire Advisors, LLC24,231$621.0K0.00%−540−2.2%Reduced
Invesco Ltd.25,233$646.7K0.00%−997−3.8%Reduced
Bank of America Corp25,590$655.9K0.00%−6,906−21.3%Reduced
Bridgeway Capital Management, LLC26,024$667.0K0.01%−11,000−29.7%Reduced
Barclays PLC27,388$702.0K0.00%−20,100−42.3%Reduced
SummerHaven Investment Management, LLC28,609$733.2K0.45%−4,310−13.1%Reduced
RBF Capital, LLC30,000$768.9K0.04%00.0%Unchanged
Nuveen, LLC30,324$777.2K0.00%+4,027+15.3%Added
Private Wealth Partners, LLC36,983$947.9K0.07%00.0%Unchanged
D. E. Shaw & Co., Inc.37,672$965.5K0.00%+37,672New
American Century Companies Inc38,542$987.8K0.00%−466−1.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.39,224$1.01M0.00%+3,330+9.3%Added
Trexquant Investment LP39,957$1.02M0.01%+3,294+9.0%Added