BANK OF MARIN BANCORP/CA (BMRC) Institutional Ownership Changes & 13F Activity

BANK OF MARIN BANCORP/CA (BMRC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ameriprise Financial Inc, Qube Research & Technologies Ltd, Two Sigma Investments, Lp, Boothbay Fund Management, Llc, and Citadel Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-2,411-0.5%456,401$12.64MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+76,537+42.8%255,290$7.07MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-592-74.2%206$5.71KQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+10,03310,033$277.91KQ2 2026Aug 19, 2026
United Capital Financial Advisors, LlcSell-16,301-32.0%34,641$959.56KQ2 2026Aug 17, 2026
Ameriprise Financial IncBuy+420,473420,473$11.65MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+105,241+134.8%183,331$5.08MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+94,998+35.6%361,575$10.02MQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcBuy+79,09079,090$2.19MQ2 2026Aug 14, 2026
Pmc Fig Opportunities LlcBuy+70,95970,959$1.97MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+50,835+43.2%168,484$4.67MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+40,30240,302$1.12MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+35,019+93.0%72,691$2.01MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+21,89021,890$606.35KQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+21,288+31.0%90,029$2.49MQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+17,143+109.8%32,763$907.53KQ2 2026Aug 14, 2026
Millennium Management LlcSell-13,674-29.4%32,876$910.66KQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+13,315+33.3%53,272$1.48MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+12,043+9.6%137,428$3.81MQ2 2026Aug 14, 2026
Bridgeway Capital Management, LlcSell-10,977-42.2%15,047$416.80KQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+10,17510,175$281.85KQ2 2026Aug 14, 2026
Atom Investors LpBuy+9,5029,502$263.20KQ2 2026Aug 14, 2026
Alliancebernstein L.P.Sell-9,322-1.5%613,724$15.73MQ2 2026Aug 14, 2026
Sei Investments CoSell-7,392-33.6%14,619$404.96KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+6,697+39.0%23,847$660.56KQ2 2026Aug 14, 2026
Hotchkis & Wiley Capital Management LlcBuy+3,600+1.4%264,196$7.32MQ2 2026Aug 14, 2026
Xtx Topco LtdSell-2,740-12.0%20,165$558.57KQ2 2026Aug 14, 2026
Kennedy Capital Management LlcSell-2,386-1.9%120,894$3.35MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+2,342+23.2%12,458$346.00KQ2 2026Aug 14, 2026
Mai Capital ManagementBuy+1,318+18.5%8,424$233.34KQ2 2026Aug 14, 2026
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Frequently asked questions about BMRC activity

  • Which institutional owners are buying BMRC?

    Institutional owners buying BMRC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in BMRC activity?

    "Buy" means an investor increased their reported position in BMRC compared to the prior reporting period. This reflects growing exposure to BANK OF MARIN BANCORP/CA (BMRC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in BMRC increasing?

    Institutional interest in BMRC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.