Ticker · CUSIP 47805L101

JMSB

JOHN MARSHALL BANCORP INC
Financial Services·Banks - Regional
···Share
Holders (tracked)
4
Combined shares
90,990
Combined value
$1.82M
Last close
$21.03
Quarter
2025Q4
Price · 1Y$21.03+6.88 (+48.63%)H $21.28 · L $14.13 · Avg Vol 22K
Position opened
$14.00$16.00$18.00$20.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
412024Q12025Q4
Price is +5.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

5 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +10,922 shares · 2025Q4
    Position
  2. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −7,550 shares · 2025Q4
    Position
  3. AQR Capital Management opened position2026-02-17
    +20,713 shares · 2025Q4
    Position
  4. Renaissance Technologies opened position2026-02-12
    +25,900 shares · 2025Q4
    Position
  5. Izzy Englander (Millennium Mgmt) added2025-11-14
    +6,716 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for JMSB →
Follow-the-investor returns
If you'd copied each holder of JMSB…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2024Q3$19.79+6.2%$276K
Ken Griffin (Citadel Advisors)2023Q2$19.93+5.5%$657K
AQR Capital Management2025Q4$19.99+5.2%$436K
Renaissance Technologies2025Q4$19.99+5.2%$545K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to1
Trimmed1
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q2
2
$49.3M
2022Q3
1
$18.0M
2022Q4
1
$22.3M
2023Q1
1
$16.5M
2023Q2
2
$16.4M
2023Q3
1
$14.4M
2023Q4
1
$19.9M
2024Q1
1
$15.2M
2024Q2
1
$14.9M
2024Q3
2
$585K
2024Q4
1
$330K
2025Q1
1
$278K
2025Q2
2
$501K
2025Q3
2
$813K
2025Q4
4
$1.8M

Who owns JMSB

4 super-investors · 2025Q4
Tracked stake
91.0K
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1Trim1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
31.3K$625K
2Renaissance Technologies25.9K$518K
3AQR Capital Management20.7K$414K
4Izzy Englander
Millennium Mgmt
13.1K$262K

Recent moves

19 transactions
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