Bank of Marin Bancorp
BMRC • NASDAQ
Bank of Marin Bancorp is a banks - regional company in the financial services sector on NASDAQ, led by Timothy D. Myers, with a market cap of $449.2M. As of Q3 2025, 64% of shares are held by 136 institutional investors, with BlackRock, Inc. as the largest holder at 8.85%.
Chief Executive OfficerTimothy D. Myers
Market Cap$449.2M
Banks - Regional
Financial Services
Employees330.0
Websitebankofmarin.com
Country
United States of America
Overview
Overview of institutional ownership in BMRC as of Q3 2025 with a market cap of $391.5M
All Institutions
- Institutions
- 136
- Value Held
- $249.6M
- Shares Held
- 10.3M
- Avg Position
- $1.8M
- Median Position
- $248.7K
Hedge Funds
- Hedge Funds
- 18
- Value Held
- $35.8M
- Shares Held
- 1.5M
- Avg Position
- $2.0M
- Median Position
- $781.4K
Ownership Breakdown
Based on market cap of $391.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in BMRC as of Q3 2025
| Institution | Position Value |
|---|---|
B BlackRock, Inc. Institution | $34.6M 0.00% of portfolio |
 WELLINGTON MANAGEMENT CO LLP Long Only Manager | $22.9M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $20.4M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $19.1M 0.00% of portfolio |
 ALLIANCEBERNSTEIN L.P. Long Only Manager | $16.4M 0.01% of portfolio |
 HoldCo Asset Management, L.P. Hedge Fund•Multi-Strategy | $12.2M 1.29% of portfolio |
M MANUFACTURERES LIFE INSURANCE CO Institution | $11.0M 0.01% of portfolio |
 AMERIPRISE FINANCIAL INC Institution | $9.2M 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $9.0M 0.00% of portfolio |
 STATE STREET CORP Institution | $8.5M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for BMRC in Q3 2025
- Traded
- +$10.1M
- Buyers
- 68
- Sellers
- 44
- Total Bought
- +$36.7M
- Total Sold
- −$26.6M
- Avg Position
- $1.7M
Biggest Buyers
| Institution | Net Bought |
|---|---|
WELLINGTON MANAGEMENT CO LLP Long Only Manager | +$16.7M +687.6K shares |
 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager | +$3.1M +125.8K shares |
 UBS Group AG Institution | +$2.4M +98.3K shares |
HoldCo Asset Management, L.P. Hedge Fund•Multi-Strategy | +$2.4M +97.0K shares |
 Trexquant Investment LP Hedge Fund•Quant | +$912.6K +37.6K shares |
 AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$834.4K +34.4K shares |
 SummerHaven Investment Management, LLC Long Only Manager | +$799.3K +32.9K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | +$751.2K +30.9K shares |
 FRANKLIN RESOURCES INC Institution | +$642.3K +14.8K shares |
C Cubist Systematic Strategies, LLC Institution | +$635.0K +26.2K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
N North Reef Capital Management LP Hedge Fund•Long/Short | −$13.7M −600.0K shares |
 Elizabeth Park Capital Advisors, Ltd. Hedge Fund•Long/Short | −$2.3M −96.3K shares |
B BlackRock, Inc. Institution | −$1.6M −65.6K shares |
 Fourthstone LLC Hedge Fund•Long/Short | −$1.3M −54.4K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | −$1.1M −47.0K shares |
 MORGAN STANLEY RIA/Wealth | −$977.2K −40.2K shares |
 PANAGORA ASSET MANAGEMENT INC Hedge Fund•Quant | −$845.6K −37.0K shares |
A AMERICAN CENTURY COMPANIES INC Institution | −$672.8K −27.7K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$660.2K −27.2K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$466.1K −20.4K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited BMRC in Q3 2025
- New Positions
- 12
- New Value
- $3.3M
- Exited Positions
- 8
- Exited Value
- $15.8M
New Positions
| Institution | Position Value |
|---|---|
SummerHaven Investment Management, LLC Long Only Manager | $799.3K 32.9K shares |
 ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy | $481.1K 19.8K shares |
S State of Wyoming Institution | $375.2K 15.5K shares |
B Brevan Howard Capital Management LP Institution | $281.6K 11.6K shares |
 Integrated Quantitative Investments LLC Long Only Manager | $253.1K 10.4K shares |
 HUDSON CANYON INVESTMENT COUNSELORS LLC Hedge Fund•Long/Short | $244.2K 10.1K shares |
Susquehanna Portfolio Strategies, LLC Private Equity | $235.9K 9.7K shares |
 LODESTAR PRIVATE ASSET MANAGEMENT LLC RIA/Wealth | $224.1K 9.2K shares |
 IEQ CAPITAL, LLC RIA/Wealth | $207.4K 8.5K shares |
 Quest Partners LLC Hedge Fund•Quant Macro | $195.3K 8.0K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
N North Reef Capital Management LP Hedge Fund•Long/Short | $13.7M 600.0K shares |
PANAGORA ASSET MANAGEMENT INC Hedge Fund•Quant | $845.6K 37.0K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $466.1K 20.4K shares |
L LPL Financial LLC Institution | $355.3K 15.6K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $295.4K 12.9K shares |
 Quantbot Technologies LLC Hedge Fund•Quant | $69.8K 3.1K shares |
 Glenmede Investment Management, LP Long Only Manager | $17.2K 752.0 shares |
W WHITE BAY PT LLC Institution | $7.9K 346.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in BMRC as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with BMRC as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Elizabeth Park Capital Advisors, Ltd. Hedge Fund•Long/Short | 2.13% $2.7M |
HoldCo Asset Management, L.P. Hedge Fund•Multi-Strategy | 1.29% $12.2M |
Fourthstone LLC Hedge Fund•Long/Short | 0.97% $5.4M |
SummerHaven Investment Management, LLC Long Only Manager | 0.47% $799.3K |
B Bank of Marin Institution | 0.38% $543.6K |
 CALDWELL SUTTER CAPITAL, INC. RIA/Wealth | 0.21% $495.1K |
 WULFF, HANSEN & CO. RIA/Wealth | 0.18% $207.4K |
 Financial Connections Group, Inc. RIA/Wealth | 0.12% $291.4K |
 Bridge City Capital, LLC Long Only Manager | 0.08% $305.1K |
 Numerai GP LLC Hedge Fund•Quant | 0.08% $565.5K |
Hedge Fund Spotlight
Discover hedge funds investing in BMRC
Aquatic Capital Management LLC
Hedge Fund • Quant
Portfolio ManagerJonathan Cullen Graham
- Portfolio Value
- $5.4B
- Positions
- 1,343
- Last Reported
- Q3 2025
Sector Allocation
Position in Bank of Marin Bancorp
- Market Value
- $142.8K
- Shares Held
- 5.9K
- Portfolio Weight
- 0.00%
- Owned Since
- 2023-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $82.0M | 1.52% | |
Software - Infrastructure Technology | $80.3M | 1.49% | |
Software - Infrastructure Technology | $79.3M | 1.47% |
