Bank of Marin Bancorp
BMRC
138 hedge funds and large institutions have $250M invested in Bank of Marin Bancorp in 2025 Q3 according to their latest regulatory filings, with 27 funds opening new positions, 42 increasing their positions, 36 reducing their positions, and 8 closing their positions.
238% more first-time investments, than exits
New positions opened: 27 | Existing positions closed: 8
17% more repeat investments, than reductions
Existing positions increased: 42 | Existing positions reduced: 36
16% more funds holding
Funds holding: 119 → 138 (+19)
10% more capital invested
Capital invested by funds: $226M → $250M (+$23.6M)
2.59% more ownership
Funds ownership: 61.02% → 63.61% (+2.6%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$16.6M |
| 2 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
+$3.04M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$2.38M |
| 4 |
HAM
HoldCo Asset Management
Fort Lauderdale,
Florida
|
+$2.35M |
| 5 |
TI
Trexquant Investment
Stamford,
Connecticut
|
+$909K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NRCM
North Reef Capital Management
Laguna Beach,
California
|
-$13.7M |
| 2 |
EPCA
Elizabeth Park Capital Advisors
Pepper Pike,
Ohio
|
-$2.33M |
| 3 |
BlackRock
New York
|
-$1.59M |
| 4 |
FL
Fourthstone LLC
St Louis,
Missouri
|
-$1.32M |
| 5 |
Squarepoint
New York
|
-$1.14M |
BMRC Hedge Fund Activity: Q3 2025 in Review
138 of the 7,642 institutional investors tracked by Wall St. Rank reported a position in Bank of Marin Bancorp (BMRC) for Q3 2025, worth a combined $250M — up 10% from $226M a quarter earlier.
Buyers outnumbered sellers: 27 funds opened new BMRC positions and 8 closed out — a net gain of 19 holders — while 42 added to existing stakes and 36 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $16.6M. The largest seller was North Reef Capital Management, exiting entirely with an estimated $13.7M sold.
- 138 institutional investors held Bank of Marin Bancorp (BMRC) as of Q3 2025, up from 119 in Q2 2025.
- Funds reported $250M of Bank of Marin Bancorp stock for Q3 2025, up 10% quarter-over-quarter.
- 27 funds opened new Bank of Marin Bancorp positions in Q3 2025 and 8 closed out, a net change of +19 holders.
- The largest Bank of Marin Bancorp buyer in Q3 2025 was Wellington Management Group, an estimated $16.6M added.
- The largest Bank of Marin Bancorp seller in Q3 2025 was North Reef Capital Management, an estimated $13.7M sold.
Based on aggregated 13F filings for Q3 2025.