Ticker · CUSIP 063425102

BMRC

BANK MARIN BANCORP
Financial Services·Banks - Regional
···Share
Holders (tracked)
8
Combined shares
1,408,574
Combined value
$36.64M
Last close
$26.41
Quarter
2025Q4
Price · 1Y$26.41+6.95 (+35.72%)H $27.70 · L $19.05 · Avg Vol 94K
Position opened
$20.00$22.00$24.00$26.00$28.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
882024Q12025Q4
Price is +1.5% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

12 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +62,838 shares · 2025Q4
    Position
  2. Two Sigma Investments added2026-02-17
    +15,878 shares · 2025Q4
    Position
  3. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −8,286 shares · 2025Q4
    Position
  4. T. Rowe Price opened position2026-02-17
    +8,839 shares · 2025Q4
    Position
  5. Wellington Management trimmed2026-02-17
    −20,892 shares · 2025Q4
    Position
  6. AQR Capital Management added2026-02-17
    +10,041 shares · 2025Q4
    Position
  7. Renaissance Technologies trimmed2026-02-12
    −8,576 shares · 2025Q4
    Position
  8. Wellington Management added2025-11-14
    +687,615 shares · 2025Q3
    Position
  9. AQR Capital Management added2025-11-14
    +34,366 shares · 2025Q3
    Position
  10. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −27,192 shares · 2025Q3
    Position
  11. Two Sigma Investments added2025-11-14
    +30,940 shares · 2025Q3
    Position
  12. Renaissance Technologies trimmed2025-11-13
    −10,224 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for BMRC →
Follow-the-investor returns
If you'd copied each holder of BMRC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2016Q1$20.27+30.3%$231K
Ken Fisher (Fisher Asset Mgmt)2025Q1$22.28+18.6%$1.4M
Two Sigma Investments2016Q1$22.33+18.3%$3.7M
AQR Capital Management2017Q3$22.61+16.8%$3.1M
Wellington Management2016Q1$24.54+7.6%$24.4M
Ken Griffin (Citadel Advisors)2019Q4$25.20+4.8%$1.7M
T. Rowe Price2025Q4$26.02+1.5%$233K
Renaissance Technologies2016Q1$30.48-13.4%$2.5M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to2
Trimmed3
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
6
$49.5M
2022Q2
5
$42.5M
2022Q3
5
$43.0M
2022Q4
5
$46.3M
2023Q1
7
$42.0M
2023Q2
8
$32.1M
2023Q3
8
$31.5M
2023Q4
9
$38.3M
2024Q1
8
$28.8M
2024Q2
9
$33.9M
2024Q3
6
$6.9M
2024Q4
6
$6.6M
2025Q1
9
$8.0M
2025Q2
7
$14.8M
2025Q3
6
$32.7M
2025Q4
8
$36.6M

Who owns BMRC

8 super-investors · 2025Q4
Tracked stake
1.41M
shares
Combined value
$37M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added2Trim3Held1
#ManagerSharesValue
1Wellington Management922.6K$24M
2Two Sigma Investments139.7K$4M
3AQR Capital Management118.1K$3M
4Renaissance Technologies95.3K$2M
5Ken Griffin
Citadel Advisors
62.8K$2M
6Ken Fisher
Fisher Asset Mgmt
52.4K$1M
7T. Rowe Price8.8K$230K
8Izzy Englander
Millennium Mgmt
8.7K$227K

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live BMRC chart.
<iframe src="https://openstocks.me/embed/stocks/BMRC" width="100%" height="480" frameborder="0" loading="lazy" title="BMRC chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/BMRC
Explore related topics