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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.

Q3 2025 vs. Q2 2025

How the institutions holding John Marshall Bancorp, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of JMSB: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders6369+6
Shares6.67M6.74M+71.8K (+1.1%)
Value$123.7M$133.5M+$9.79M (+7.9%)

New holders (8)

Institutions that held John Marshall Bancorp, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to JMSB in Q3 2025
InstitutionSharesValue% of portfolio
rhino investment partners, Inc40,721$807.1K0.25%
Goldman Sachs Group Inc14,447$286.3K0.00%
GWM Advisors LLC11,530$228.5K0.00%
Wealthspire Advisors, LLC6,802$134.8K0.00%
Russell Investments Group, Ltd.1,047$20.8K0.00%
Optiver Holding B.V.198$3.92K0.00%
SRS Capital Advisors, Inc.36$7140.00%
Sunbelt Securities, Inc.1$200.00%

Sold out (2)

Institutions that held John Marshall Bancorp, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of JMSB in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Susquehanna International Group, LLP30,228$560.1K
Raymond James Financial Inc5,625$104.2K