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JMSB

John Marshall Bancorp, Inc.
$22.11 -0.06 (-0.27%) At close · Jul 6
Market Cap
$312.02M
Shares
14,112,223

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.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 78
Total Value: $137,886,155
Total Shares: 6,799,087

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 78 13F filers
Top Holder
28.9%
Jun 2023 → Mar 2026 · range 28.3% – 30.6%
of institutional value
Top 5
61.2%
Jun 2023 → Mar 2026 · range 61.2% – 70.3%
of institutional value
Top 10
79.8%
Jun 2023 → Mar 2026 · range 79.8% – 86.2%
of institutional value
HHI
1,224
Jun 2023 → Mar 2026 · range 1,224 – 1,448
Broadly held
Showing 78 of 78
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega T. Rowe Price Investment Management, Inc. $39,860,968 28.91% 1,965,531
Mega BlackRock, Inc. $17,752,357 12.87% 875,363
Mega VANGUARD CAPITAL MANAGEMENT LLC $10,897,985 7.90% 537,376
Small FJ Capital Management LLC $8,360,896 6.06% 412,273
Small TOTH FINANCIAL ADVISORY CORP $7,475,633 5.42% 368,621
Small EVERMAY WEALTH MANAGEMENT LLC $7,097,371 5.15% 349,969
Mega GEODE CAPITAL MANAGEMENT, LLC $5,988,764 4.34% 295,304
Mega STATE STREET CORP $4,408,831 3.20% 217,398
Mega BANK OF AMERICA CORP /DE/ Bank $4,192,099 3.04% 206,711
Mid MAI Capital Management $4,017,792 2.91% 198,116
Small Rhino Investment Partners, Inc $2,404,802 1.74% 118,580
Large BROWN ADVISORY INC $2,197,175 1.59% 108,342
Small Fourthstone LLC $2,193,849 1.59% 108,178
Small Elizabeth Park Capital Advisors, Ltd. $2,136,274 1.55% 105,339
Large Cresset Asset Management, LLC $2,119,158 1.54% 104,495
Mega NORTHERN TRUST CORP Bank $2,018,303 1.46% 99,522
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,612,422 1.17% 79,508
Mid Wealthspire Advisors, LLC $1,300,779 0.94% 64,141
Small Meridian Financial Partners LLC $1,168,513 0.85% 57,619
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $742,187 0.54% 36,597
Large RENAISSANCE TECHNOLOGIES LLC $640,848 0.46% 31,600
Large MARSHALL WACE, LLP $638,252 0.46% 31,472
Mega GOLDMAN SACHS GROUP INC $636,832 0.46% 31,402
Mega Bank of New York Mellon Corp Bank $632,877 0.46% 31,207
Mega Nuveen, LLC $577,736 0.42% 28,488
Large Quantinno Capital Management LP $511,968 0.37% 25,245
Mid Advisory Services Network, LLC $501,301 0.36% 24,719
Large ACADIAN ASSET MANAGEMENT LLC $460,619 0.33% 22,713
Mega AQR CAPITAL MANAGEMENT LLC $441,290 0.32% 21,760
Mega MORGAN STANLEY $431,942 0.31% 21,299
Mid Snowden Capital Advisors LLC $426,224 0.31% 21,017
Mega ROYAL BANK OF CANADA Bank $422,695 0.31% 20,843
Mega CITADEL ADVISORS LLC $413,407 0.30% 20,385
Large Mariner, LLC $338,108 0.25% 16,672
Mega RHUMBLINE ADVISERS $337,296 0.24% 16,632
Micro KFA Private Wealth Group, LLC $301,462 0.22% 14,865
Mid GSA CAPITAL PARTNERS LLP $257,677 0.19% 12,706
Mega UBS Group AG $223,930 0.16% 11,042
Mega JANE STREET GROUP, LLC $222,795 0.16% 10,986
Large OSAIC HOLDINGS, INC. $211,135 0.15% 10,411
Mega DEUTSCHE BANK AG\ Bank $194,464 0.14% 9,589
Mega WELLS FARGO & COMPANY/MN $156,561 0.11% 7,720
Large MetLife Investment Management, LLC $146,928 0.11% 7,245
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $122,085 0.09% 6,020
Mega JPMORGAN CHASE & CO $104,340 0.08% 5,145
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $94,646 0.07% 4,667
Mega Vanguard Global Advisers, LLC $85,865 0.06% 4,234
Mid Atlantic Union Bankshares Corp $68,445 0.05% 3,375
Mega BARCLAYS PLC $68,343 0.05% 3,370
Large Police & Firemen's Retirement System of New Jersey Pension $50,294 0.04% 2,480
Mid Tower Research Capital LLC (TRC) $35,449 0.03% 1,748
Large STRS OHIO $32,448 0.02% 1,600
Mid Ameritas Investment Partners, Inc. $25,552 0.02% 1,260
Mega Legal & General Group Plc $23,626 0.02% 1,165
Large Russell Investments Group, Ltd. $21,233 0.02% 1,047
Mega CITIGROUP INC $18,596 0.01% 917
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $13,871 0.01% 684
Small Versant Capital Management, Inc $10,355 0.01% 475
Mid Sterling Capital Management LLC $8,477 0.01% 418
Large CWM, LLC $8,051 0.01% 397
Large NISA INVESTMENT ADVISORS, LLC $6,712 0.00% 331
Mid GAMMA Investing LLC $4,988 0.00% 246
Mid HARBOR CAPITAL ADVISORS, INC. $2,717 0.00% 134
Mid Optiver Holding B.V. $2,555 0.00% 126
Mid EverSource Wealth Advisors, LLC $1,844 0.00% 91
Mega FMR LLC $1,622 0.00% 80
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $385 0.00% 19
Small Essential Partners LLC $263 0.00% 13
Mid Allworth Financial LP $202 0.00% 10
Mid Arax Advisory Partners $202 0.00% 10
Small Root Financial Partners, LLC $121 0.00% 6
Small Basecamp Wealth Advisors LLC $101 0.00% 5
Small Covestor Ltd $81 0.00% 4
Mid IFP Advisors, Inc $81 0.00% 4
Mid ROTHSCHILD INVESTMENT LLC $40 0.00% 2
Small Keating Financial Advisory Services, Inc. $20 0.00% 1
Small Sunbelt Securities, Inc. Broker-Dealer $20 0.00% 1
Micro True Wealth Design, LLC $20 0.00% 1
Key facts CIK 1710482 CUSIP 47805L101 13F (30d) 2 filings 2 filers Visit website Investor relations

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