Bank of Marin Bancorp - BMRC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BlackRock, Inc. History Reduced 1,401,775 35,927 0.0% 0.0% 1 -19,274 -1.36% Q1 2026 May 13, 2026
VANGUARD GROUP INC History No change 843,183 21,931 0.0% 0.0% 2 0 0.0% Q4 2025 Jan 29, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 802,865 20,577 0.0% 0.0% 3 +32,048 4.16% Q1 2026 May 07, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 642,672 16,471 0.0% 4 +642,672 New Q1 2026 May 15, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 623,046 16,205 0.01% 0.01% 5 -36,916 -5.59% Q1 2026 May 15, 2026
WELLINGTON MANAGEMENT GROUP LLP History Reduced 632,000 16,198 0.0% 0.0% 6 -290,642 -31.5% Q1 2026 May 15, 2026
HoldCo Asset Management, LP History No change 504,411 12,928 0.96% 0.99% 7 0 0.0% Q1 2026 May 15, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Added to 458,812 11,759 0.01% 0.01% 8 +8,758 1.95% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 390,301 10,005 0.0% 0.0% 9 +4,474 1.16% Q1 2026 May 15, 2026
AMERIPRISE FINANCIAL INC History Reduced 374,883 9,608 0.0% 0.0% 10 -6,672 -1.75% Q1 2026 Jul 17, 2026
STATE STREET CORP History Added to 340,004 8,714 0.0% 0.0% 11 +3,207 0.95% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 266,577 6,832 0.01% 0.01% 12 +126,910 90.87% Q1 2026 May 15, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC History Reduced 260,596 6,679 0.02% 0.02% 13 -9,570 -3.54% Q1 2026 May 15, 2026
HEARTLAND ADVISORS INC History Added to 250,000 6,407 0.33% 0.28% 14 +50,430 25.27% Q1 2026 May 06, 2026
MORGAN STANLEY History Reduced 240,431 6,162 0.0% 0.0% 15 -21,765 -8.3% Q1 2026 May 15, 2026
UBS Group AG History Added to 199,677 5,117 0.0% 0.0% 16 +159,853 401.4% Q1 2026 May 05, 2026
CITADEL ADVISORS LLC History Added to 178,753 4,581 0.0% 0.0% 17 +115,915 184.47% Q1 2026 May 15, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 125,385 3,213 0.0% 0.0% 18 -3,628 -2.81% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 125,178 3,208 0.0% 0.0% 19 +7,849 6.69% Q1 2026 May 14, 2026
KENNEDY CAPITAL MANAGEMENT LLC History Added to 123,280 3,159 0.07% 0.07% 20 +2,232 1.84% Q1 2026 May 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 119,392 3,060 0.0% 0.0% 21 +24,100 25.29% Q1 2026 May 14, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 117,649 3,015 0.0% 0.0% 22 -488 -0.41% Q1 2026 May 15, 2026
Westmount Partners, LLC History Added to 115,484 2,959 0.73% 0.74% 23 +925 0.81% Q1 2026 Apr 16, 2026
TWO SIGMA ADVISERS, LP History No change 110,964 2,886 0.01% 0.01% 24 0 0.0% Q4 2025 Feb 17, 2026
ACADIAN ASSET MANAGEMENT LLC History Reduced 110,942 2,841 0.0% 0.01% 25 -7,108 -6.02% Q1 2026 May 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 110,474 2,831 0.0% 26 +110,474 New Q1 2026 May 08, 2026
VANGUARD FIDUCIARY TRUST CO History New 106,797 2,737 0.0% 27 +106,797 New Q1 2026 May 08, 2026
Bank of Marin History Reduced 97,046 2,487 1.81% 1.87% 28 -7,000 -6.73% Q1 2026 May 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 90,412 2,317 0.01% 29 +90,412 New Q1 2026 May 08, 2026
PRUDENTIAL FINANCIAL INC History Reduced 79,072 2,026 0.0% 0.0% 30 -18,430 -18.9% Q1 2026 May 13, 2026
Qube Research & Technologies Ltd History Added to 78,090 2,001 0.0% 0.0% 31 +67,652 648.13% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Added to 77,699 1,991 0.0% 0.0% 32 +5,154 7.1% Q1 2026 May 05, 2026
ALGEBRIS (UK) LTD History New 75,315 1,927 0.14% 33 +75,315 New Q1 2026 May 13, 2026
GOLDMAN SACHS GROUP INC History Added to 68,741 1,761 0.0% 0.0% 34 +17,514 34.19% Q1 2026 May 15, 2026
Fisher Asset Management, LLC History Added to 63,926 1,638 0.0% 0.0% 35 +11,499 21.93% Q1 2026 May 05, 2026
Perigon Wealth Management, LLC History Reduced 61,081 1,565 0.03% 0.03% 36 -218 -0.36% Q1 2026 Apr 10, 2026
Quantinno Capital Management LP History Added to 59,476 1,524 0.0% 0.0% 37 +10,142 20.56% Q1 2026 May 15, 2026
Creative Planning History Reduced 56,992 1,460 0.0% 0.0% 38 -5,003 -8.07% Q1 2026 May 12, 2026
UNITED CAPITAL FINANCIAL ADVISORS, LLC History New 50,942 1,305 0.01% 39 +50,942 New Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 46,550 1,193 0.0% 0.0% 40 +37,818 433.1% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Reduced 42,071 1,078 0.0% 0.0% 41 -8,890 -17.44% Q1 2026 May 12, 2026
Fourthstone LLC History Added to 41,834 1,072 0.18% 0.04% 42 +32,734 359.71% Q1 2026 May 15, 2026
Trexquant Investment LP History Added to 39,957 1,024 0.01% 0.01% 43 +3,294 8.98% Q1 2026 May 15, 2026
Connor, Clark & Lunn Investment Management Ltd. History Added to 39,224 1,005 0.0% 0.0% 44 +3,330 9.28% Q1 2026 May 11, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 38,542 987 0.0% 0.0% 45 -466 -1.19% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History New 37,672 965 0.0% 46 +37,672 New Q1 2026 May 15, 2026
Private Wealth Partners, LLC History No change 36,983 947 0.07% 0.07% 47 0 0.0% Q1 2026 Apr 28, 2026
Nuveen, LLC History Added to 30,324 777 0.0% 0.0% 48 +4,027 15.31% Q1 2026 Apr 30, 2026
RBF Capital, LLC History No change 30,000 768 0.04% 0.03% 49 0 0.0% Q1 2026 May 18, 2026
SummerHaven Investment Management, LLC History Reduced 28,609 733 0.45% 0.49% 50 -4,310 -13.09% Q1 2026 Apr 24, 2026
BARCLAYS PLC History Reduced 27,388 701 0.0% 0.0% 51 -20,100 -42.33% Q1 2026 May 14, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 26,024 666 0.01% 0.02% 52 -11,000 -29.71% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Reduced 25,590 655 0.0% 0.0% 53 -6,906 -21.25% Q1 2026 May 15, 2026
Invesco Ltd. History Reduced 25,233 646 0.0% 0.0% 54 -997 -3.8% Q1 2026 May 12, 2026
Wealthspire Advisors, LLC History Reduced 24,231 621 0.0% 0.01% 55 -540 -2.18% Q1 2026 May 01, 2026
Freestone Capital Holdings, LLC History No change 23,258 596 0.02% 0.02% 56 0 0.0% Q1 2026 May 13, 2026
XTX Topco Ltd History Added to 22,905 587 0.01% 0.01% 57 +14,131 161.06% Q1 2026 May 15, 2026
Cerity Partners LLC History Added to 22,439 575 0.0% 0.0% 58 +16 0.07% Q1 2026 May 15, 2026
SEI INVESTMENTS CO History Added to 22,011 564 0.0% 0.0% 59 +12,914 141.96% Q1 2026 May 13, 2026
CALDWELL SUTTER CAPITAL, INC. History No change 20,390 522 0.21% 0.22% 60 0 0.0% Q1 2026 May 05, 2026
STIFEL FINANCIAL CORP History New 20,186 517 0.0% 61 +20,186 New Q1 2026 May 12, 2026
RHUMBLINE ADVISERS History Reduced 18,651 478 0.0% 0.0% 62 -444 -2.33% Q1 2026 May 12, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Added to 18,584 476 0.0% 0.0% 63 +1,971 11.86% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Reduced 17,150 439 0.0% 0.0% 64 -10,932 -38.93% Q1 2026 Jul 08, 2026
Squarepoint Ops LLC History New 15,620 400 0.0% 65 +15,620 New Q1 2026 May 15, 2026
Bridge City Capital, LLC History Reduced 15,530 398 0.11% 0.13% 66 -892 -5.43% Q1 2026 May 13, 2026
PRINCETON CAPITAL MANAGEMENT LLC History Added to 15,059 385 0.11% 0.07% 67 +5,000 49.71% Q1 2026 May 08, 2026
FIDUCIARY FINANCIAL GROUP, LLC History No change 14,069 360 0.05% 0.05% 68 0 0.0% Q1 2026 Apr 13, 2026
FRANKLIN RESOURCES INC History Reduced 12,387 317 0.0% 0.0% 69 -457 -3.56% Q1 2026 May 13, 2026
Apella Capital, LLC History New 12,000 316 0.0% 70 +12,000 New Q1 2026 Apr 20, 2026
Beacon Pointe Advisors, LLC History New 12,051 308 0.0% 71 +12,051 New Q1 2026 May 15, 2026
Financial Connections Group, Inc. History No change 12,000 307 0.11% 0.11% 72 0 0.0% Q1 2026 May 01, 2026
DEUTSCHE BANK AG\ History Reduced 11,918 305 0.0% 0.0% 73 -508 -4.09% Q1 2026 May 06, 2026
Integrated Quantitative Investments LLC History No change 11,464 293 0.05% 0.06% 74 0 0.0% Q1 2026 May 13, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History Reduced 11,286 289 0.02% 0.02% 75 -951 -7.77% Q1 2026 May 15, 2026
Empowered Funds, LLC History New 10,977 281 0.0% 76 +10,977 New Q1 2026 Jun 15, 2026
AlphaQuest LLC History No change 10,640 276 0.02% 0.02% 77 0 0.0% Q4 2025 Feb 09, 2026
THRIVENT FINANCIAL FOR LUTHERANS History New 10,189 261 0.0% 78 +10,189 New Q1 2026 May 01, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Added to 10,116 260 0.0% 0.0% 79 +1,277 14.45% Q1 2026 May 15, 2026
LODESTAR PRIVATE ASSET MANAGEMENT LLC History Added to 10,156 260 0.03% 0.02% 80 +925 10.02% Q1 2026 Apr 27, 2026
Susquehanna Portfolio Strategies, LLC History Reduced 9,303 238 0.0% 0.0% 81 -233 -2.44% Q1 2026 May 15, 2026
KCM INVESTMENT ADVISORS LLC History No change 9,240 236 0.01% 0.01% 82 0 0.0% Q1 2026 May 15, 2026
IEQ CAPITAL, LLC History Reduced 9,033 231 0.0% 0.0% 83 -523 -5.47% Q1 2026 May 14, 2026
MetLife Investment Management, LLC History No change 8,917 228 0.0% 0.0% 84 0 0.0% Q1 2026 May 14, 2026
Cornerstone Investment Partners, LLC History New 8,887 227 0.01% 85 +8,887 New Q1 2026 May 08, 2026
WULFF, HANSEN & CO. History No change 8,542 218 0.22% 0.19% 86 0 0.0% Q1 2026 May 07, 2026
JPMORGAN CHASE & CO History Added to 7,378 187 0.0% 0.0% 87 +811 12.35% Q1 2026 May 13, 2026
MAI Capital Management History Reduced 7,106 182 0.0% 0.0% 88 -346 -4.64% Q1 2026 May 15, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 7,008 179 0.0% 0.0% 89 +170 2.49% Q1 2026 May 15, 2026
CWM, LLC History Added to 6,648 170 0.0% 0.0% 90 +88 1.34% Q1 2026 May 14, 2026
Vanguard Global Advisers, LLC History New 6,521 167 0.0% 91 +6,521 New Q1 2026 May 08, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 5,933 152 0.0% 0.0% 92 0 0.0% Q1 2026 May 06, 2026
US BANCORP \DE\ History Added to 5,543 142 0.0% 0.0% 93 +43 0.78% Q1 2026 May 14, 2026
Police & Firemen's Retirement System of New Jersey History No change 4,134 105 0.0% 0.0% 94 0 0.0% Q1 2026 Apr 29, 2026
FMR LLC History Added to 3,884 99 0.0% 0.0% 95 +449 13.07% Q1 2026 May 15, 2026
Rockefeller Capital Management L.P. History Added to 3,688 94 0.0% 0.0% 96 +828 28.95% Q1 2026 May 14, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 3,203 82 0.0% 0.0% 97 -181 -5.35% Q1 2026 May 12, 2026
Allworth Financial LP History Reduced 3,103 79 0.0% 0.0% 98 -43 -1.37% Q1 2026 May 14, 2026
Parallel Advisors, LLC History No change 3,109 79 0.0% 0.0% 99 0 0.0% Q1 2026 Jun 02, 2026
QUADRANT CAPITAL GROUP LLC History Reduced 2,455 62 0.0% 0.0% 100 -298 -10.82% Q1 2026 May 13, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Added to 1,800 46 0.0% 0.0% 101 +1,664 1223.53% Q1 2026 May 13, 2026
ROYAL BANK OF CANADA History Reduced 1,822 46 0.0% 0.0% 102 -407 -18.26% Q1 2026 May 15, 2026
CANADA LIFE ASSURANCE Co History Added to 1,568 40 0.0% 0.0% 103 +61 4.05% Q1 2026 May 14, 2026
Versant Capital Management, Inc History No change 1,567 40 0.0% 0.01% 104 0 0.0% Q1 2026 Apr 06, 2026
Legal & General Group Plc History No change 1,359 34 0.0% 0.0% 105 0 0.0% Q1 2026 May 08, 2026
Tower Research Capital LLC (TRC) History Added to 1,277 32 0.0% 0.0% 106 +742 138.69% Q1 2026 May 15, 2026
Pinnacle Wealth Planning Services, Inc. History Reduced 1,262 32 0.0% 0.0% 107 -310 -19.72% Q1 2026 May 11, 2026
Ameritas Investment Partners, Inc. History No change 1,196 30 0.0% 0.0% 108 0 0.0% Q1 2026 May 13, 2026
Russell Investments Group, Ltd. History Reduced 1,136 29 0.0% 0.0% 109 -133 -10.48% Q1 2026 May 08, 2026
SIGNATUREFD, LLC History Reduced 1,074 27 0.0% 0.0% 110 -49 -4.36% Q1 2026 Apr 07, 2026
Golden State Wealth Management, LLC History No change 1,000 25 0.0% 0.0% 111 0 0.0% Q1 2026 Apr 28, 2026
Aquatic Capital Management LLC History Reduced 823 21 0.0% 0.0% 112 -2,269 -73.38% Q1 2026 May 15, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 798 20 0.0% 0.0% 113 -109 -12.02% Q1 2026 May 15, 2026
GAMMA Investing LLC History Added to 787 20 0.0% 0.0% 114 +98 14.22% Q1 2026 Apr 06, 2026
CITIGROUP INC History Added to 685 17 0.0% 0.0% 115 +352 105.71% Q1 2026 May 11, 2026
Advisory Services Network, LLC History New 656 16 0.0% 116 +656 New Q1 2026 May 15, 2026
EverSource Wealth Advisors, LLC History Reduced 561 14 0.0% 0.0% 117 -45 -7.43% Q1 2026 May 15, 2026
Sterling Capital Management LLC History Reduced 488 12 0.0% 0.0% 119 -362 -42.59% Q1 2026 Apr 22, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 494 12 0.0% 0.0% 118 -23 -4.45% Q1 2026 May 08, 2026
HARBOUR INVESTMENTS, INC. History New 400 10 0.0% 121 +400 New Q1 2026 May 15, 2026
GROUP ONE TRADING LLC History Added to 400 10 0.0% 0.0% 120 +200 100.0% Q1 2026 May 13, 2026
Arax Advisory Partners History Added to 342 8 0.0% 0.0% 122 +24 7.55% Q1 2026 May 13, 2026
Smartleaf Asset Management LLC History No change 333 8 0.0% 0.0% 123 0 0.0% Q1 2026 May 15, 2026
Essential Partners LLC History Reduced 270 6 0.0% 0.0% 125 -214 -44.21% Q1 2026 May 21, 2026
MassMutual Private Wealth & Trust, FSB History No change 237 6 0.0% 0.0% 124 0 0.0% Q1 2026 Apr 13, 2026
FIFTH THIRD BANCORP History New 227 5 0.0% 128 +227 New Q1 2026 May 01, 2026
SIMPLEX TRADING, LLC History New 200 5 0.0% 129 +200 New Q1 2026 May 14, 2026
Private Wealth Management Group, LLC History Reduced 200 5 0.0% 0.0% 127 -21 -9.5% Q1 2026 Apr 23, 2026
COMERICA BANK History No change 227 5 0.0% 0.0% 126 0 0.0% Q4 2025 Jan 29, 2026
Red Tortoise LLC History No change 185 4 0.0% 0.0% 130 0 0.0% Q1 2026 Apr 21, 2026
Optiver Holding B.V. History No change 148 3 0.0% 0.0% 131 0 0.0% Q1 2026 Jun 02, 2026
Fortitude Family Office, LLC History No change 85 2 0.0% 0.0% 132 0 0.0% Q1 2026 Apr 15, 2026
Torren Management, LLC History Reduced 66 1 0.0% 0.02% 137 -1,120 -94.44% Q1 2026 Apr 30, 2026
ROTHSCHILD INVESTMENT LLC History Added to 69 1 0.0% 0.0% 133 +2 2.99% Q1 2026 May 07, 2026
IFP Advisors, Inc History No change 65 1 0.0% 0.0% 134 0 0.0% Q1 2026 Apr 13, 2026
Physician Wealth Advisors, Inc. History No change 68 1 0.0% 0.0% 135 0 0.0% Q1 2026 Apr 24, 2026
Farther Finance Advisors, LLC History No change 67 1 0.0% 0.0% 136 0 0.0% Q1 2026 Apr 07, 2026
RAYMOND JAMES FINANCIAL INC History Closed out 0 0 0.0% -45,478 -100.0% Q1 2026 May 14, 2026
State of Wyoming History Closed out 0 0 0.05% -15,885 -100.0% Q1 2026 May 13, 2026
Engineers Gate Manager LP History Closed out 0 0 0.0% -10,510 -100.0% Q1 2026 May 15, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Closed out 0 0 0.0% -9,200 -100.0% Q1 2026 May 15, 2026
Ballentine Partners, LLC History Closed out 0 0 0.0% -8,682 -100.0% Q1 2026 May 14, 2026
BLAIR WILLIAM & CO/IL History Closed out 0 0 0.0% -7,828 -100.0% Q1 2026 May 08, 2026
SG Americas Securities, LLC History Closed out 0 0 0.0% -4,413 -100.0% Q1 2026 Apr 16, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 32 0 0.0% -812 -96.21% Q1 2026 Apr 30, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -463 -100.0% Q1 2026 May 08, 2026
JONES FINANCIAL COMPANIES LLLP History Closed out 0 0 0.0% -190 -100.0% Q1 2026 May 15, 2026
Root Financial Partners, LLC History New 25 0 +25 New Q1 2026 Apr 24, 2026
Basecamp Wealth Advisors LLC History New 22 0 +22 New Q1 2026 Jun 24, 2026
SBI Securities Co., Ltd. History Added to 15 0 +1 7.14% Q1 2026 Apr 27, 2026
True Wealth Design, LLC History Reduced 8 0 -1 -11.11% Q1 2026 Apr 13, 2026
CULLEN/FROST BANKERS, INC. History No change 23 0 0 0.0% Q1 2026 May 05, 2026
Parkside Financial Bank & Trust History No change 25 0 0 0.0% Q1 2026 May 13, 2026
OSAIC HOLDINGS, INC. History No change 8 0 0 0.0% Q1 2026 May 15, 2026
Avion Wealth History No change 24 0 0 0.0% Q1 2026 May 01, 2026