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 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Renaissance Technologies LLCSell-7,400127,100$10,664
Q1 2018Renaissance Technologies LLCSell-10,000134,500$9,274
Q4 2017Renaissance Technologies LLCBuy10,100144,500$9,826
Q3 2017Renaissance Technologies LLCBuy20,044134,400$9,206
Q2 2017Renaissance Technologies LLCSell-9,444114,356$7,039
Q1 2017Renaissance Technologies LLCBuy7,280123,800$7,967
Q4 2016Renaissance Technologies LLCBuy10,120116,520$8,127
Q3 2016Renaissance Technologies LLCSell-200106,400$5,291
Q2 2016Renaissance Technologies LLCBuy11,800106,600$5,156
Q1 2016Renaissance Technologies LLCBuy5,39994,800$4,666
Q4 2015Renaissance Technologies LLCBuy23,71789,401$4,774
Q3 2015Renaissance Technologies LLCBuy16,10565,684$3,152
Q2 2015Renaissance Technologies LLCBuy11,67949,579$2,522
Q1 2015Renaissance Technologies LLCSell-4,50037,900$1,929
Q4 2014Renaissance Technologies LLCBuy19,36442,400$2,230
Q3 2014Renaissance Technologies LLCBuy12,46023,036$1,057
Q2 2014Renaissance Technologies LLCBuy5,97510,576$482
Q1 2014Renaissance Technologies LLCSell-2,2994,601$207
Q3 2013Renaissance Technologies LLCBuy5006,900$287
Q2 2013Renaissance Technologies LLCBuy6,4006,400$256

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.

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