Skip to main content
Equibles

BMRC

Bank of Marin Bancorp

Company with tickers: BMRC

CIK
1403475
CUSIP
063425102
Shares Outstanding
16,189,707
13F Activity (30d)
105 filings 100 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 139
Total Value: $270,081,511
Total Shares: 10,537,714
Showing 1–100 of 139 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 139 13F filers · Δ vs Dec 31, 2025
Top Holder
13.3%
Jun 2023 → Mar 2026 · range 13.3% – 18.4%
−0.7 pts
Top 5
38.9%
Jun 2023 → Mar 2026 · range 38.9% – 55.0%
−6.7 pts
Top 10
58.6%
Jun 2023 → Mar 2026 · range 58.6% – 74.4%
−7.4 pts
HHI
471
Jun 2023 → Mar 2026 · range 471 – 777
Broadly held −101

Quarterly Activity

vs Dec 31, 2025
New
19
Increased
43
Decreased
47
Sold Out
13
Unchanged
30
Holder count: +6
Institutional value: +2.6%
Shares held: +4.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega UBS Group AG +159,853 199,677
Mega TWO SIGMA INVESTMENTS, LP +126,910 266,577
Mega CITADEL ADVISORS LLC +115,915 178,753
Large Qube Research & Technologies Ltd +67,652 78,090
Mid HEARTLAND ADVISORS INC +50,430 250,000

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP −290,642 632,000
Mega ALLIANCEBERNSTEIN L.P. −36,916 623,046
Mega MORGAN STANLEY −21,765 240,431
Mega BARCLAYS PLC −20,100 27,388
Mega BlackRock, Inc. −19,274 1,401,775

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 642,672 $16,471,683
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 110,474 $2,831,448
Mega VANGUARD FIDUCIARY TRUST CO 106,797 $2,737,207
Large LOS ANGELES CAPITAL MANAGEMENT LLC 90,412 $2,317,259
Mid ALGEBRIS (UK) LTD 75,315 $1,930,323

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 843,183 $21,931,188
Large TWO SIGMA ADVISERS, LP 110,964 $2,886,173
Mega RAYMOND JAMES FINANCIAL INC 45,478 $1,182,882
Small State of Wyoming 15,885 $413,168
Mid AlphaQuest LLC 10,640 $276,746
Filter: New 19 Increased 43 Reduced 47 Sold out 13 Unchanged 30
Showing 100 of 139
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $35,927,489 13.30% 1,401,775
Mega DIMENSIONAL FUND ADVISORS LP $20,577,427 7.62% 802,865
Mega VANGUARD CAPITAL MANAGEMENT LLC $16,471,683 6.10% 642,672
Mega WELLINGTON MANAGEMENT GROUP LLP $16,198,160 6.00% 632,000
Mega ALLIANCEBERNSTEIN L.P. $15,968,668 5.91% 623,046
Mid HoldCo Asset Management, LP $12,928,053 4.79% 504,411
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $11,759,351 4.35% 458,812
Mega GEODE CAPITAL MANAGEMENT, LLC $10,003,413 3.70% 390,301
Mega AMERIPRISE FINANCIAL INC $9,608,251 3.56% 374,883
Mega STATE STREET CORP $8,714,302 3.23% 340,004
Mega TWO SIGMA INVESTMENTS, LP $6,832,368 2.53% 266,577
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $6,679,075 2.47% 260,596
Mid HEARTLAND ADVISORS INC $6,407,500 2.37% 250,000
Mega MORGAN STANLEY $6,162,243 2.28% 240,431
Mega UBS Group AG $5,117,720 1.89% 199,677
Mega CITADEL ADVISORS LLC $4,581,439 1.70% 178,753
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $3,213,617 1.19% 125,385
Mega NORTHERN TRUST CORP Bank $3,208,310 1.19% 125,178
Mid KENNEDY CAPITAL MANAGEMENT LLC $3,159,666 1.17% 123,280
Large RENAISSANCE TECHNOLOGIES LLC $3,060,016 1.13% 119,392
Mega AQR CAPITAL MANAGEMENT LLC $3,015,340 1.12% 117,649
Small Westmount Partners, LLC $2,959,854 1.10% 115,484
Large ACADIAN ASSET MANAGEMENT LLC $2,843,443 1.05% 110,942
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $2,831,448 1.05% 110,474
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,737,207 1.01% 106,797
Micro Bank of Marin Bank $2,487,288 0.92% 97,046
Large LOS ANGELES CAPITAL MANAGEMENT LLC $2,317,259 0.86% 90,412
Large PRUDENTIAL FINANCIAL INC $2,026,615 0.75% 79,072
Large Qube Research & Technologies Ltd $2,001,446 0.74% 78,090
Mega Bank of New York Mellon Corp Bank $1,991,424 0.74% 77,699
Mid ALGEBRIS (UK) LTD $1,930,323 0.71% 75,315
Mega GOLDMAN SACHS GROUP INC $1,761,831 0.65% 68,741
Mega Fisher Asset Management, LLC $1,638,423 0.61% 63,926
Mid Perigon Wealth Management, LLC $1,565,506 0.58% 61,081
Large Quantinno Capital Management LP $1,524,369 0.56% 59,476
Large Creative Planning $1,460,704 0.54% 56,992
Mid UNITED CAPITAL FINANCIAL ADVISORS, LLC $1,305,643 0.48% 50,942
Mega MILLENNIUM MANAGEMENT LLC $1,193,076 0.44% 46,550
Mega JANE STREET GROUP, LLC $1,078,278 0.40% 42,071
Small Fourthstone LLC $1,072,205 0.40% 41,834
Large Trexquant Investment LP $1,024,097 0.38% 39,957
Large Connor, Clark & Lunn Investment Management Ltd. $1,005,311 0.37% 39,224
Mega AMERICAN CENTURY COMPANIES INC $987,831 0.37% 38,542
Mega D. E. Shaw & Co., Inc. $965,533 0.36% 37,672
Mid Private Wealth Partners, LLC $947,874 0.35% 36,983
Mega Nuveen, LLC $777,203 0.29% 30,324
Mid RBF Capital, LLC $768,900 0.28% 30,000
Small SummerHaven Investment Management, LLC $733,248 0.27% 28,609
Mega BARCLAYS PLC $701,953 0.26% 27,388
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $666,995 0.25% 26,024
Mega BANK OF AMERICA CORP /DE/ Bank $655,871 0.24% 25,590
Mega Invesco Ltd. $646,720 0.24% 25,233
Mid Wealthspire Advisors, LLC $621,040 0.23% 24,231
Mid Freestone Capital Holdings, LLC $596,102 0.22% 23,258
Mid XTX Topco Ltd $587,055 0.22% 22,905
Large Cerity Partners LLC $575,111 0.21% 22,439
Large SEI INVESTMENTS CO $564,141 0.21% 22,011
Small CALDWELL SUTTER CAPITAL, INC. $522,595 0.19% 20,390
Large STIFEL FINANCIAL CORP $517,366 0.19% 20,186
Mega RHUMBLINE ADVISERS $478,025 0.18% 18,651
Large STATE OF WISCONSIN INVESTMENT BOARD $476,307 0.18% 18,584
Mega WELLS FARGO & COMPANY/MN $439,553 0.16% 17,150
Large Squarepoint Ops LLC $400,340 0.15% 15,620
Small Bridge City Capital, LLC $398,033 0.15% 15,530
Small PRINCETON CAPITAL MANAGEMENT LLC $385,962 0.14% 15,059
Small FIDUCIARY FINANCIAL GROUP, LLC $360,588 0.13% 14,069
Mega FRANKLIN RESOURCES INC $317,477 0.12% 12,387
Mid Beacon Pointe Advisors, LLC $308,867 0.11% 12,051
Micro Financial Connections Group, Inc. $307,560 0.11% 12,000
Small Apella Capital, LLC $307,560 0.11% 12,000
Mega DEUTSCHE BANK AG\ Bank $305,458 0.11% 11,918
Small Integrated Quantitative Investments LLC $293,822 0.11% 11,464
Mid OCCUDO QUANTITATIVE STRATEGIES LP $289,260 0.11% 11,286
Large Empowered Funds, LLC $281,340 0.10% 10,977
Large Thrivent Financial for Lutherans $261,144 0.10% 10,189
Small LODESTAR PRIVATE ASSET MANAGEMENT LLC $260,298 0.10% 10,156
Mega PRICE T ROWE ASSOCIATES INC /MD/ $259,273 0.10% 10,116
Mid Susquehanna Portfolio Strategies, LLC $238,435 0.09% 9,303
Mid KCM INVESTMENT ADVISORS LLC $236,821 0.09% 9,240
Large IEQ CAPITAL, LLC $231,515 0.09% 9,033
Large MetLife Investment Management, LLC $228,542 0.08% 8,917
Mid Cornerstone Investment Partners, LLC $227,773 0.08% 8,887
Micro WULFF, HANSEN & CO. $218,931 0.08% 8,542
Mega JPMORGAN CHASE & CO $189,097 0.07% 7,378
Mid MAI Capital Management $182,126 0.07% 7,106
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $179,615 0.07% 7,008
Large CWM, LLC $170,388 0.06% 6,648
Mega Vanguard Global Advisers, LLC $167,133 0.06% 6,521
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $152,062 0.06% 5,933
Large US BANCORP \DE\ Bank $142,066 0.05% 5,543
Large Police & Firemen's Retirement System of New Jersey Pension $105,954 0.04% 4,134
Mega FMR LLC $99,545 0.04% 3,884
Large Rockefeller Capital Management L.P. $94,522 0.03% 3,688
Mega BNP PARIBAS ARBITRAGE, SA $82,092 0.03% 3,203
Mid Parallel Advisors, LLC $79,683 0.03% 3,109
Mid Allworth Financial LP $79,529 0.03% 3,103
Mid QUADRANT CAPITAL GROUP LLC $62,921 0.02% 2,455
Mega ROYAL BANK OF CANADA Bank $46,696 0.02% 1,822
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $46,134 0.02% 1,800
Large CANADA LIFE ASSURANCE Co Insurance $40,187 0.01% 1,568

Report a Problem

Category
Description
Email (optional, for follow-up)