Bank of Marin Bancorp BMRC Institutional Ownership

NASDAQ BMRC

$26.64 -0.29 (-1.08%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

142 Institutions

Increased 73 51.4%

Unchanged 36 25.4%

Reduced 33 23.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

67.11%

▲+2.03 pp QoQ

Shares Held by Institutions

10.87Mn

of 16.19Mn outstanding

▲+3.15% QoQ

Shares Outstanding

16.19Mn

5.33Mn held outside 13F filers

Institutional Investors

142

filed 13F for Jun 2026

▲+2 vs prior quarter

Net Shares Added (QoQ)

+331.59K

accumulated since last quarter

Value of Holdings

$292.70Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Bank of Marin Bancorp (NASDAQ:BMRC) had 142 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Their combined stake equaled 67.11% of outstanding shares in Q2 2026, up from 65.09% in Q1 2026.
Total shares held in BMRC rose 3.15% from Q1 2026; the number of holders rose 22.41% from Q2 2025.
Among the 142 holders of Bank of Marin Bancorp, 73 added to their positions, 33 reduced their stakes and 36 left their positions unchanged.
Combined, institutional investors held 10.87Mn shares of BMRC as of Q2 2026, up 331.59K from the prior quarter and up 1.26Mn from a year earlier.
BlackRock, Inc. was the top holder of Bank of Marin Bancorp as of June 30, 2026, with 1.6Mn shares, or 9.88% of shares outstanding.
Among existing holders, the largest additions to Bank of Marin Bancorp in Q2 2026 came from Algebris (UK) LTD (+217.72K shares), BlackRock, Inc. (+198.45K shares), Qube Research & Technologies Ltd (+105.24K shares), Two Sigma Investments, LP (+95K shares) and Citadel Advisors LLC (+76.54K shares).
Among holders that kept a stake in Bank of Marin Bancorp, the biggest sellers in Q2 2026 were UBS Group AG (-176.06K shares), Dimensional Fund Advisors LP (-122.63K shares), Acadian Asset Management LLC (-84.94K shares), Prudential Financial Inc (-56.4K shares) and United Capital Financial Advisors, LLC (-16.3K shares).
Bank of Marin Bancorp's 10 largest institutional shareholders as of Q2 2026 were BlackRock, Inc. (1.6Mn shares), Dimensional Fund Advisors LP (680.24K shares), Vanguard Capital Management LLC (657.94K shares), AllianceBernstein L.P. (613.72K shares), HoldCo Asset Management, LP (504.41K shares), Manufacturers Life Insurance Company, The (456.4K shares), Ameriprise Financial Inc (420.47K shares), Geode Capital Management, LLC (413.17K shares), Two Sigma Investments, LP (361.57K shares) and State Street Corp (344.31K shares), per Business Quant data.

Form 13F Holdings

142 Institutional Holders

Report period 30 Jun, 2026

Total shares held 10.87Mn

Of outstanding 67.11%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	1,600,224	9.88%	▲198,449	+14.16%	$44.33Mn
2	DIMENSIONAL FUND ADVISORS LP	0000354204	680,239	4.20%	▼122,626	-15.27%	$18.84Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	657,941	4.06%	▲15,269	+2.38%	$18.22Mn
4	ALLIANCEBERNSTEIN L.P.	0001109448	613,724	3.79%	▼9,322	-1.50%	$15.73Mn
5	HoldCo Asset Management, LP	0001724246	504,411	3.11%	0	0.00%	$13.97Mn
6	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	456,401	2.82%	▼2,411	-0.53%	$12.64Mn
7	Ameriprise Financial Inc	0000820027	420,473	2.60%	▲45,590	+12.16%	$11.65Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	413,173	2.55%	▲22,872	+5.86%	$11.45Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	361,575	2.23%	▲94,998	+35.64%	$10.02Mn
10	State Street Corp	0000093751	344,314	2.13%	▲4,310	+1.27%	$9.54Mn
11	HEARTLAND ADVISORS INC	0000937394	325,508	2.01%	▲75,508	+30.20%	$9.02Mn
12	ALGEBRIS (UK) LTD	0001700286	293,040	1.81%	▲217,725	+289.09%	$8.09Mn
13	Morgan Stanley	0000895421	271,960	1.68%	▲31,529	+13.11%	$7.53Mn
14	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0001164833	264,196	1.63%	▲3,600	+1.38%	$7.32Mn
15	CITADEL ADVISORS LLC	0001423053	255,290	1.58%	▲76,537	+42.82%	$7.07Mn
16	Qube Research & Technologies Ltd	0001729829	183,331	1.13%	▲105,241	+134.77%	$5.08Mn
17	AQR CAPITAL MANAGEMENT LLC	0001167557	168,484	1.04%	▲50,835	+43.21%	$4.67Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	137,428	0.85%	▲12,043	+9.60%	$3.81Mn
19	Northern Trust Corp	0000073124	134,145	0.83%	▲8,967	+7.16%	$3.72Mn
20	RENAISSANCE TECHNOLOGIES LLC	0001037389	132,381	0.82%	▲12,989	+10.88%	$3.67Mn

Showing 1 to 20 of 142 holders