Ken Griffin’s John Marshall Bancorp JMSB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$413K Sell
20,385
-10,875
-35% -$218K ﹤0.01% 9749
2025
Q4
$625K Buy
31,260
+10,922
+54% +$215K ﹤0.01% 8484
2025
Q3
$403K Buy
20,338
+7,272
+56% +$142K ﹤0.01% 9650
2025
Q2
$242K Sell
13,066
-3,733
-22% -$62.8K ﹤0.01% 10282
2025
Q1
$278K Buy
16,799
+376
+2% +$6.97K ﹤0.01% 9772
2024
Q4
$330K Buy
16,423
+1,851
+13% +$40.5K ﹤0.01% 9454
2024
Q3
$288K Buy
+14,572
New +$273K ﹤0.01% 9413
2023
Q3
Sell
-10,376
Closed -$208K 14707
2023
Q2
$208K Buy
+10,376
New +$207K ﹤0.01% 9795

Other funds holding JMSB

Ken Griffin's JMSB Position: Q1 2026 in Review

Ken Griffin reduced its John Marshall Bancorp (JMSB) stake by 35% in Q1 2026, selling an estimated $218K and leaving 20,385 shares worth $413K. The position accounts for ﹤0.01% of the portfolio, ranked #9749.

Ken Griffin first reported a position in JMSB in Q2 2023 and has held it in 8 quarters since. The position peaked at $625K in Q4 2025. 79 funds tracked by Wall St. Rank hold JMSB as of Q1 2026.

  • Ken Griffin held 20,385 shares of John Marshall Bancorp worth $413K as of Q1 2026.
  • Ken Griffin sold 10,875 John Marshall Bancorp shares in Q1 2026, an estimated $218K.
  • John Marshall Bancorp made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9749 holding.
  • Ken Griffin first reported a position in John Marshall Bancorp in Q2 2023 and has held it in 8 quarters since.
  • Ken Griffin's John Marshall Bancorp position peaked at $625K in Q4 2025.
  • 79 funds tracked by Wall St. Rank held John Marshall Bancorp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.