Bank of Marin Bancorp Ownership | Who Owns Bank of Marin Bancorp?
Bank of Marin Bancorp Ownership Summary
Bank of Marin Bancorp is owned by 17.95% institutional investors, 9.56% insiders, and 72.49% retail investors. Blackrock is the largest institutional shareholder, holding 10.03% of BMRC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.83% of its assets in Bank of Marin Bancorp shares.
BMRC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Bank of Marin Bancorp | 17.95% | 9.56% | 72.49% |
| Sector | Financial Services Stocks | 37.05% | 15.59% | 47.36% |
| Industry | Regional Banks Stocks | 38.44% | 12.57% | 48.99% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 1.61M | 10.03% | $26.11M |
| Blackrock funding, inc. /de | 1.40M | 8.82% | $35.93M |
| Vanguard group | 843.18K | 5.30% | $21.93M |
| Dimensional fund advisors lp | 802.87K | 5.05% | $20.58M |
| Wellington management group llp | 632.00K | 3.98% | $16.20M |
| Alliancebernstein | 623.05K | 3.92% | $16.21M |
| Holdco asset management, lp | 504.41K | 3.17% | $12.93M |
| Manufacturers life insurance company, the | 458.81K | 2.89% | $11.76M |
| Geode capital management | 390.30K | 2.46% | $10.01M |
| Ameriprise financial | 374.88K | 2.36% | $9.61M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Elizabeth park capital advisors | 110.51K | 2.17% | $2.68M |
| Bank of marin | 97.05K | 1.81% | $2.49M |
| Holdco asset management, lp | 504.41K | 0.96% | $12.93M |
| Westmount partners | 115.48K | 0.73% | $2.96M |
| Summerhaven investment management | 28.61K | 0.45% | $733.25K |
| Heartland advisors | 250.00K | 0.33% | $6.41M |
| Wulff, hansen | 8.54K | 0.22% | $218.93K |
| Caldwell sutter capital | 20.39K | 0.21% | $522.60K |
| Fourthstone | 41.83K | 0.18% | $1.07M |
| Algebris (uk) | 75.31K | 0.14% | $1.93M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 1.61M | 0.00% | 183.69K |
| Ubs group | 199.68K | 0.00% | 159.85K |
| Two sigma investments, lp | 266.58K | 0.01% | 126.91K |
| Citadel advisors | 178.75K | 0.00% | 115.92K |
| Vanguard fiduciary trust | 106.80K | 0.00% | 106.80K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| North reef capital management lp | - | - | -600.00K |
| Proshare advisors | - | - | -381.02K |
| Wellington management group llp | 632.00K | 0.00% | -290.64K |
| Basswood capital management | - | - | -165.75K |
| Essex investment management | - | - | -132.94K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 106.80K | 0.00% | 106.80K | $2.74M |
| Los angeles capital management | 90.41K | 0.01% | 90.41K | $2.32M |
| Algebris (uk) | 75.31K | 0.14% | 75.31K | $1.93M |
| United capital financial advisers | 50.94K | 0.01% | 50.94K | $1.31M |
| D. e. shaw | 37.67K | 0.00% | 37.67K | $965.53K |
Sold Out
| Holder | Change |
|---|---|
| Clearstead advisors | -7.00 |
| Stephens consulting | -15.00 |
| Lindbrook capital | -15.00 |
| Rise advisors | -20.00 |
| Voisard asset management group | -21.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 57 | -56.82% | 2,854,194 | -71.87% | 17 | 0.44% | 24 | -54.72% | 15 | -65.91% |
| Dec 31, 2025 | 93 | -31.62% | 6,814,253 | -33.57% | 42 | 1.04% | 35 | -48.53% | 26 | -27.78% |
| Sep 30, 2025 | 132 | 12.82% | 10,251,478 | 3.60% | 64 | 1.67% | 65 | 6.56% | 35 | -10.26% |
| Jun 30, 2025 | 117 | -4.88% | 9,895,343 | 3.03% | 61 | 1.71% | 61 | 5.17% | 39 | - |
| Mar 31, 2025 | 123 | 2.50% | 9,612,172 | 3.06% | 60 | 1.78% | 59 | -7.81% | 39 | 34.48% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 456.57K | 2.83% | - |
| Vanguard Total Stock Mkt Idx Inv | 449.02K | 2.77% | - |
| iShares Russell 2000 ETF | 342.92K | 2.12% | 2.91K |
| Columbia Small Cap Value Discovery Fund | 260.07K | 1.62% | 11.60K |
| Columbia Small Cap Value Discv A | 260.07K | 1.61% | - |
| Heartland Value Strategy | 250.00K | 1.55% | 50.43K |
| Heartland Value Investor | 250.00K | 1.54% | - |
| Columbia Small Cap Value I A | 242.47K | 1.50% | 6.70K |
| Columbia Small Cap Value I | 235.77K | 1.45% | -1.60K |
| JH Financial Opportunities | 214.38K | 1.32% | 14.19K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 30, 2026 | Anderson Nicolas C | - | Buy | $5.14K |
| Dec 01, 2023 | McDevitt Jr William H | - | Sell | $60.31K |
| Dec 01, 2023 | McDevitt Jr William H | - | Sell | $59.98K |
| May 23, 2023 | Stewart Misako | EVP, Chief Credit Officer | Buy | $18.45K |
| May 10, 2023 | Myers Timothy D | President & CEO | Buy | $9.96K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | 1 | - |
| 2026 Q1 | - | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
BMRC Ownership FAQ
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