Who Owns Bank of Marin Bancorp (BMRC)?Hedge Fund & Institutional Holders

$24.02+0.12 (+0.50%)Financial ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

6.424978283797347e+245%

QoQ Change in Holders

+12 / -4

Price History

$19.26$21.43$23.61$25.78$27.95Sep 24Jun 25Mar 26

BMRC — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
HEARTLAND ADVISORS INCNew Position+200K+$5.2B
Westmount Partners, LLCNew Position+115K+$3.0B
Bank of MarinNew Position+104K+$2.7B
Private Wealth Partners, LLCNew Position+37K+$961.0M
SummerHaven Investment Management, LLCNew Position+33K+$856.0M
CALDWELL SUTTER CAPITAL, INC.New Position+20K+$530.0M
State of WyomingNew Position+16K+$413.0M
LODESTAR PRIVATE ASSET MANAGEMENT LLCNew Position+9K+$240.0M
Bridge City Capital, LLCIncreased+4K+$121.9M
OCCUDO QUANTITATIVE STRATEGIES LPIncreased+3K+$94.4M
Integrated Quantitative Investments LLCIncreased+1K+$44.9M
Golden State Wealth Management, LLCNew Position+1K+$26.0M
NISA INVESTMENT ADVISORS, LLCNew Position+844+$21.0M
MassMutual Private Wealth & Trust, FSBNew Position+237+$6.0M
Private Wealth Management Group, LLCNew Position+221+$5.0M

BMRC — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
UBS Group AGDecreased-127K-$3.0B
Elizabeth Park Capital Advisors, Ltd.Closed Position-111K-$2.7B
BRIDGEWAY CAPITAL MANAGEMENT, LLCDecreased-66K-$2.5B
PRUDENTIAL FINANCIAL INCDecreased-76-$1.4B
Trexquant Investment LPDecreased-13K-$1.2B
FRANKLIN RESOURCES INCDecreased-13K-$1.1B
NORTHERN TRUST CORPDecreased-7K-$1.0B
Empowered Funds, LLCDecreased-10K-$764.7M
RBF Capital, LLCDecreased-92-$730.6M
Cubist Systematic Strategies, LLCClosed Position-26K-$635.0M
Numerai GP LLCClosed Position-23K-$565.5M
RHUMBLINE ADVISERSDecreased-4K-$550.4M
RENAISSANCE TECHNOLOGIES LLCDecreased-9K-$521.9M
ExodusPoint Capital Management, LPClosed Position-20K-$481.1M
MILLENNIUM MANAGEMENT LLCDecreased-8K-$413.2M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1WELLINGTON MANAGEMENT GROUP LLP922,642$23.0B4.03%Share
2DIMENSIONAL FUND ADVISORS LP751,249$19.0B3.99%Share
3ALLIANCEBERNSTEIN L.P.659,962$17.0B5.37%Share
4MANUFACTURERS LIFE INSURANCE COMPANY, THE450,054$11.0B9.04%Share
5AMERIPRISE FINANCIAL INC380,047$9.0B2.03%Share
6HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC270,166$7.0B20.99%Share
7HEARTLAND ADVISORS INC199,570$5.2B0.28%Share
8KENNEDY CAPITAL MANAGEMENT LLC121,048$3.1B0.07%Share
9TWO SIGMA INVESTMENTS, LP139,667$3.0B4.23%Share
10CHARLES SCHWAB INVESTMENT MANAGEMENT INC129,013$3.0B0.47%Share
11Westmount Partners, LLC114,559$3.0B0.74%Share
12Bank of Marin104,046$2.7B1.87%Share
13NORTHERN TRUST CORP112,756$2.0B0.25%Share
14TWO SIGMA ADVISERS, LP110,964$2.0B3.89%Share
15RENAISSANCE TECHNOLOGIES LLC95,292$2.0B3.10%Share
16AQR CAPITAL MANAGEMENT LLC113,345$2.0B1.05%Share
17BARCLAYS PLC47,488$1.0B0.24%Share
18AMERICAN CENTURY COMPANIES INC39,008$1.0B0.50%Share
19PRUDENTIAL FINANCIAL INC76,802$1.0B1.21%Share
20Fisher Asset Management, LLC52,427$1.0B0.34%Share
21Private Wealth Partners, LLC36,983$961.0M0.07%Share
22SummerHaven Investment Management, LLC32,919$856.0M0.49%Share
23UBS Group AG32,139$835.0M0.14%Share
24Freestone Capital Holdings, LLC23,258$604.0M0.02%Share
25CALDWELL SUTTER CAPITAL, INC.20,390$530.0M0.22%Share
26Bridge City Capital, LLC16,422$427.0M0.13%Share
27State of Wyoming15,885$413.0M0.05%Share
28Invesco Ltd.14,152$368.0M0.06%Share
29FIDUCIARY FINANCIAL GROUP, LLC14,069$365.0M0.05%Share
30OCCUDO QUANTITATIVE STRATEGIES LP12,237$318.0M0.02%Share
31Integrated Quantitative Investments LLC11,464$298.0M0.06%Share
32PRINCETON CAPITAL MANAGEMENT LLC10,059$261.0M0.07%Share
33LODESTAR PRIVATE ASSET MANAGEMENT LLC9,231$240.0M0.02%Share
34Invesco Ltd.8,959$233.0M0.04%Share
35WULFF, HANSEN & CO.8,542$222.0M0.19%Share
36UBS Group AG7,604$197.0M0.03%Share
37US BANCORP \DE\5,500$143.0M0.17%Share
38Invesco Ltd.2,859$74.0M0.01%Share
39Golden State Wealth Management, LLC1,000$26.0M0.00%Share
40NISA INVESTMENT ADVISORS, LLC844$21.0M0.07%Share
41VANGUARD GROUP INC736,871$19.0M0.28%Share
42GAMMA Investing LLC689$17.0M0.00%Share
43BlackRock, Inc.598,325$15.0M0.25%Share
44HoldCo Asset Management, LP504,411$13.1M0.99%Share
45BlackRock, Inc.501,803$13.0M0.22%Share
46STATE STREET CORP336,797$8.0M0.00%Share
47Invesco Ltd.260$6.0M0.00%Share
48MassMutual Private Wealth & Trust, FSB237$6.0M0.00%Share
49Private Wealth Management Group, LLC221$5.0M0.00%Share
50COMERICA BANK227$5.0M0.02%Share

BMRC Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025133$125.6B+28
Q3 2025105$153.5B+4
Q2 2025101$112.5B-23
Q1 2025124$174.3B+11
Q4 2024113$2.5T+20
Q3 202493$11.9T+11
Q2 202482$6.4T-2
Q1 202484$5.9T—

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As of Q4 2025, 50 institutional investors hold BMRC (Bank of Marin Bancorp). The largest holder is WELLINGTON MANAGEMENT GROUP LLP with $23.0B in shares. This quarter, 12 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own BMRC?

As of Q4 2025, 50 institutional investors report holding BMRC (Bank of Marin Bancorp) in their 13F filings.

Who is the largest institutional holder of BMRC?

The largest institutional holder of BMRC is WELLINGTON MANAGEMENT GROUP LLP with $23.0B in shares.

Is institutional ownership of BMRC increasing or decreasing?

This quarter, 12 institutions opened new positions in BMRC and 4 closed their positions.