BMRC Institutional Ownership
Who owns Bank of Marin Bancorp and what the big funds did with it last quarter, from every SEC 13F filing. 142 funds reported holding BMRC at Jun 30, 2026, together owning 67.1% of the company.
- ▲73 buying vs 46 selling
- ▲Held by funds +2.1 pts
- ▲Funds holding +2
- ▲Superinvestors: 3 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 142 | 140 | +1.4% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 10.9M | 10.5M | +3.1% |
| Held by funds | 67.1% | 65.1% | +2.1 pts |
| New positions | 18 | 16 | +12.5% |
| Increased | 55 | 42 | +31.0% |
| Reduced | 34 | 48 | −29.2% |
| Sold out | 12 | 11 | +9.1% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in BMRC
All superinvestors →
Who owns BMRC
share of fund held shares- Index and passive funds38.9%
- Active managers and hedge funds46.0%
- Banks and brokers10.6%
- Pensions, insurers and other4.5%
The top 10 holders own 55.7% of all BMRC shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
24 funds changed their position- Deprince Race & Zollo IncNew+155K sh
- Perigon Wealth Management, LLCSold out−61K sh
- Creative PlanningAdded+54K sh
- SummerHaven Investment Management, LLCSold out−29K sh
- Y-Intercept (Hong Kong) LtdNew+26K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.88% | 1.6M | $44.3M | +198K |
| 2 | Dimensional Fund Advisors LP | 4.20% | 680K | $18.8M | −123K |
| 3 | Vanguard Capital Management LLC | 4.06% | 658K | $18.2M | +15K |
| 4 | Alliancebernstein L.P. | 3.79% | 614K | $15.7M | −9,322 |
| 5 | HoldCo Asset Management, LP | 3.11% | 504K | $14M | 0 |
| 6 | Manufacturers Life Insurance Company, the | 2.82% | 456K | $12.6M | −2,411 |
| 7 | Ameriprise Financial Inc | 2.60% | 420K | $11.6M | +46K |
| 8 | Geode Capital Management, LLC | 2.55% | 413K | $11.4M | +23K |
| 9 | Two Sigma Investments, LP | 2.23% | 362K | $10M | +95K |
| 10 | State Street Corp | 2.13% | 344K | $9.5M | +4,310 |
- Algebris (uk) Ltd+218K sh+$6M
- BlackRock, Inc.+198K sh+$5.5M
- Qube Research & Technologies Ltd+105K sh+$2.9M
- Two Sigma Investments, LP+95K sh+$2.6M
- Algert Global LLC+93K sh+$2.6M
- Boothbay Fund Management, LLC+79K sh+$2.2M
- Citadel Advisors LLC+77K sh+$2.1M
- Heartland Advisors Inc+76K sh+$2.1M
- Wellington Management Group LLP−632K sh−$16.2M
- UBS Group AG−176K sh−$4.9M
- Dimensional Fund Advisors LP−123K sh−$3.4M
- Acadian Asset Management LLC−85K sh−$2.3M
- Prudential Financial Inc−56K sh−$1.6M
- Jane Street Group, LLC−42K sh−$1.1M
- Fourthstone LLC−42K sh−$1.1M
- United Capital Financial Advisors, LLC−16K sh−$452K
BMRC institutional ownership FAQ
Who owns the most BMRC stock?
In Q2 2026 13F filings the largest holder of BMRC was BlackRock, Inc., followed by Dimensional Fund Advisors LP and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of BMRC is owned by institutions?
Funds that file 13F reports held 67.1% of BMRC's shares at Jun 30, 2026, compared with 65.1% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying BMRC?
In Q2 2026, 73 funds bought BMRC (18 of them new positions) and 46 sold (12 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for BMRC is strongly bullish.
What is BMRC's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this BMRC ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.