We are live on ! Find out more
BMRC icon

Bank of Marin Bancorp
BMRC

119 hedge funds and large institutions have $226M invested in Bank of Marin Bancorp in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 45 increasing their positions, 39 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

15% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 39

7% more capital invested

Capital invested by funds: $212M → $226M (+$14.1M)

1.44% more ownership

Funds ownership: 59.58% → 61.02% (+1.4%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

3% less funds holding

Funds holding: 123 → 119 (-4)

15% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 20

Holders
119
Holders Change
-4
Holders Change %
-3.25%
% of All Funds
1.57%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
17
Increased
45
Reduced
39
Closed
20
Calls
$15K
Puts
–
Net Calls
+$15K
Net Calls Change
-$34K

Top Buyers

Rank Fund Capital Flow
1
FL
Fourthstone LLC
Missouri
+$4.38M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$3.84M
3
Squarepoint
Squarepoint
New York
+$1.27M
4
Two Sigma Investments
Two Sigma Investments
New York
+$1.04M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$973K

Top Sellers

Rank Fund Capital Flow
1
BCM
Basswood Capital Management
New York
-$3.66M
2
EIM
Essex Investment Management
Massachusetts
-$2.93M
3
ZIM
Zacks Investment Management
Illinois
-$2.27M
4
BlackRock
BlackRock
New York
-$1.95M
5
American Century Companies
American Century Companies
Missouri
-$1.46M
Name Holding Trade Value Shares
Change 		Change in
Stake
AQR Capital Management
26
AQR Capital Management
Connecticut
$1.68M +$724K +33,995 +86%
UBS Group
27
UBS Group
Switzerland
$1.56M +$924K +43,402 +174%
American Century Companies
28
American Century Companies
Missouri
$1.54M -$1.46M -68,649 -50%
PWM
29
Perigon Wealth Management
California
$1.42M -$3.98K -187 -0.3%
Squarepoint
30
Squarepoint
New York
$1.36M +$1.27M +59,750 New
Creative Planning
31
Creative Planning
Kansas
$1.22M +$571K +26,824 +101%
Fisher Asset Management
32
Fisher Asset Management
Washington
$1.2M +$300K +14,074 +37%
Barclays
33
Barclays
United Kingdom
$1.12M +$181K +8,499 +21%
Millennium Management
34
Millennium Management
New York
$1.01M +$356K +16,739 +61%
Bank of America
35
Bank of America
North Carolina
$909K +$94.9K +4,456 +13%
PAM
36
Panagora Asset Management
Massachusetts
$846K -$414K -19,444 -34%
PWP
37
Private Wealth Partners
California
$845K – – –
Connor, Clark & Lunn Investment Management (CC&L)
38
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$834K +$209K +9,820 +37%
Goldman Sachs
39
Goldman Sachs
New York
$779K -$526K -24,691 -42%
RC
40
RBF Capital
California
$687K – – –
QCM
41
Quantinno Capital Management
New York
$683K +$398K +18,696 +167%
Jane Street
42
Jane Street
New York
$680K +$208K +9,788 +49%
Invesco
43
Invesco
Georgia
$645K -$99.7K -4,683 -14%
EF
44
Empowered Funds
Pennsylvania
$642K +$49.4K +2,321 +9%
N
45
Nuveen
North Carolina
$601K -$250K -11,725 -31%
N
46
Numerai
California
$588K +$548K +25,729 New
XT
47
XTX Topco
Cayman Islands
$567K +$151K +7,082 +40%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$541K -$8.43K -396 -2%
FCH
49
Freestone Capital Holdings
Washington
$531K – – –
Wells Fargo
50
Wells Fargo
California
$521K +$30.5K +1,432 +7%
1
2
3 4 5

BMRC Hedge Fund Activity: Q2 2025 in Review

119 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Bank of Marin Bancorp (BMRC) for Q2 2025, worth a combined $226M — up 6.7% from $212M a quarter earlier.

Sellers outnumbered buyers: 20 funds closed out of BMRC and 17 opened new positions — a net loss of 3 holders — while 39 trimmed existing stakes and 45 added.

The largest buyer was Fourthstone LLC, adding an estimated $4.38M. The largest seller was Basswood Capital Management, exiting entirely with an estimated $3.66M sold.

  • 119 institutional investors held Bank of Marin Bancorp (BMRC) as of Q2 2025, down from 123 in Q1 2025.
  • Funds reported $226M of Bank of Marin Bancorp stock for Q2 2025, up 6.7% quarter-over-quarter.
  • 17 funds opened new Bank of Marin Bancorp positions in Q2 2025 and 20 closed out, a net change of -3 holders.
  • The largest Bank of Marin Bancorp buyer in Q2 2025 was Fourthstone LLC, an estimated $4.38M added.
  • The largest Bank of Marin Bancorp seller in Q2 2025 was Basswood Capital Management, an estimated $3.66M sold.

Based on aggregated 13F filings for Q2 2025.