John Marshall Bancorp JMSB Institutional Ownership

NASDAQ JMSB

$22.94 +0.14 (+0.61%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

94 Institutions

Increased 60 63.8%

Unchanged 19 20.2%

Reduced 15 16.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

49.34%

▲+0.92 pp QoQ

Shares Held by Institutions

6.96Mn

of 14.11Mn outstanding

▲+1.31% QoQ

Shares Outstanding

14.11Mn

7.15Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+15 vs prior quarter

Net Shares Added (QoQ)

+90.15K

accumulated since last quarter

Value of Holdings

$158.77Mn

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

John Marshall Bancorp, Inc. (NASDAQ:JMSB) counted 94 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 49.34% of outstanding shares in Q2 2026, up from 48.43% the quarter before.
Total shares held in JMSB rose 1.31% from Q1 2026; the number of holders rose 59.32% from Q2 2025.
Among the 94 holders of John Marshall Bancorp, 60 added to their positions, 15 reduced their stakes and 19 left their positions unchanged.
In total, institutional investors held 6.96Mn shares of John Marshall Bancorp at the end of Q2 2026, up 90.15K from the prior quarter and up 373.52K from a year earlier.
T. Rowe Price Investment Management, Inc. was the top holder of John Marshall Bancorp as of June 30, 2026, with 1.97Mn shares, or 13.93% of shares outstanding.
The largest position increases in JMSB for Q2 2026 were by BlackRock, Inc. (+109.05K shares), Renaissance Technologies LLC (+72.1K shares), Acadian Asset Management LLC (+69.19K shares), Marshall Wace, LLP (+66.62K shares) and Citadel Advisors LLC (+26.03K shares).
On the other side, among holders that kept a position in John Marshall Bancorp, the largest reductions in Q2 2026 came from MAI Capital Management (-64.92K shares), Toth Financial Advisory Corp (-32.37K shares), Bank of America Corp (-28.6K shares), Advisory Services Network, LLC (-3.17K shares) and Vanguard Capital Management LLC (-2.81K shares).
Per Business Quant, the top 10 investors in JMSB for the quarter ended June 30, 2026 were T. Rowe Price Investment Management, Inc. (1.97Mn shares), BlackRock, Inc. (984.41K shares), Vanguard Capital Management LLC (534.57K shares), Evermay Wealth Management LLC (351.15K shares), Toth Financial Advisory Corp (336.25K shares), Geode Capital Management, LLC (316.18K shares), State Street Corp (218.52K shares), Bank of America Corp (178.11K shares), MAI Capital Management (133.19K shares) and Brown Advisory Inc (108.34K shares).

Form 13F Holdings

94 Institutional Holders

Report period 30 Jun, 2026

Total shares held 6.96Mn

Of outstanding 49.34%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	T. Rowe Price Investment Management, Inc.	0001897612	1,965,531	13.93%	0	0.00%	$42.85K
2	BlackRock, Inc.	0002012383	984,411	6.98%	▲109,048	+12.46%	$21.46Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	534,570	3.79%	▼2,806	-0.52%	$11.65Mn
4	EVERMAY WEALTH MANAGEMENT LLC	0001066816	351,149	2.49%	▲1,180	+0.34%	$7.66Mn
5	TOTH FINANCIAL ADVISORY CORP	0000866780	336,253	2.38%	▼32,368	-8.78%	$7.33Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	316,184	2.24%	▲20,880	+7.07%	$6.89Mn
7	State Street Corp	0000093751	218,522	1.55%	▲1,124	+0.52%	$4.76Mn
8	Bank Of America Corp /De/	0000070858	178,112	1.26%	▼28,599	-13.84%	$3.88Mn
9	MAI Capital Management	0001040197	133,192	0.94%	▼64,924	-32.77%	$2.90Mn
10	BROWN ADVISORY INC	0001345929	108,342	0.77%	0	0.00%	$2.36Mn
11	Elizabeth Park Capital Advisors, Ltd.	0001600583	105,339	0.75%	0	0.00%	$2.30Mn
12	Cresset Asset Management, LLC	0001761013	104,494	0.74%	▼1	0.00%	$2.28Mn
13	RENAISSANCE TECHNOLOGIES LLC	0001037389	103,700	0.73%	▲72,100	+228.16%	$2.26Mn
14	Northern Trust Corp	0000073124	99,995	0.71%	▲473	+0.48%	$2.18Mn
15	MARSHALL WACE, LLP	0001318757	98,090	0.70%	▲66,618	+211.67%	$2.14Mn
16	ACADIAN ASSET MANAGEMENT LLC	0000916542	91,906	0.65%	▲69,193	+304.64%	$2.00K
17	MACKENZIE FINANCIAL CORP	0000919859	88,203	0.63%	▲88,203	0.00%	$1.92Mn
18	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	84,517	0.60%	▲11,632	+15.96%	$1.84Mn
19	VANGUARD FIDUCIARY TRUST CO	0000933478	82,862	0.59%	▲3,354	+4.22%	$1.81Mn
20	Wealthspire Advisors, LLC	0001646247	64,333	0.46%	▲192	+0.30%	$1.40Mn

Showing 1 to 20 of 94 holders