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John Marshall Bancorp, Inc.

JMSB
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0001710482

In the last 90 days, John Marshall Bancorp, Inc. insiders filed 2 open-market purchases and 0 sales; 95 institutions reported holding it in 13F filings for Q2 2026, worth $152.6M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding John Marshall Bancorp, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of JMSB: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders80295+17
Shares6.91M3987.00M+91.7K (+1.3%)
Value$140.1M$8.07K$152.6M+$12.5M (+8.9%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held John Marshall Bancorp, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to JMSB in Q2 2026
InstitutionSharesValue% of portfolio
Mackenzie Financial Corp88,203$1.92M0.00%
Selective Wealth Management, Inc.41,103$911.7K0.24%
Arrowstreet Capital, Limited Partnership30,689$669.0K0.00%
Millennium Management LLC27,586$601.4K0.00%
Trexquant Investment LP24,310$530.0K0.00%
Dimensional Fund Advisors LP24,221$528.1K0.00%
GWM Advisors LLC21,086$459.7K0.00%
Man Group plc16,796$366.2K0.00%
Blue Edge Capital, LLC15,500$337.9K0.04%
Raymond James Financial Inc14,631$319.0K0.00%
XTX Topco Ltd14,077$306.9K0.00%
SG Americas Securities, LLC13,898$303.0K0.00%
Lido Advisors, LLC12,505$272.6K0.00%
Mercer Global Advisors Inc10,674$232.7K0.00%
Occudo Quantitative Strategies LP10,624$231.6K0.01%
Quadrature Capital Ltd9,274$202.2K0.00%
Los Angeles Capital Management LLC4,640$101.2K0.00%
Quarry LP135$2.94K0.00%
Larson Financial Group LLC99$2.16K0.00%
Farther Finance Advisors, LLC9$1960.00%
SJS Investment Consulting Inc.1$220.00%
Wealth Enhancement Trust Services, Inc.1$220.00%

Sold out (5)

Institutions that held John Marshall Bancorp, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of JMSB in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
FJ Capital Management LLC412,273$8.36M
rhino investment partners, Inc118,580$2.40M
Fourthstone LLC108,178$2.19M
Jane Street Group, LLC10,986$222.8K
Root Financial Partners, LLC6$122

Not filed for Q2 2026 yet (2)

Institutions that held John Marshall Bancorp, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding JMSB in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC397$8.05K
Sunbelt Securities, Inc.1$20