Acadian Asset Management
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Acadian Asset Management’s John Marshall Bancorp JMSB Stock Holding History

Acadian Asset Management’s Portfolio JMSB Stock Details JMSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2M Buy
91,906
+69,193
+305% +$1.47M ﹤0.01% 1076
2026
Q1 		$459K Buy
22,713
+18,996
+511% +$380K ﹤0.01% 1379
2025
Q4 		$73K Buy
+3,717
New +$73.2K ﹤0.01% 1738

Other funds holding JMSB

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
EWM
Evermay Wealth Management Arlington, Virginia $971M AUM 17.81% 1-Year Est. Return
TFA
Toth Financial Advisory Leesburg, Virginia $1.02B AUM 28.36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
MCM
MAI Capital Management Independence, Ohio $26.6B AUM 22.97% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

Acadian Asset Management's JMSB Position: Q2 2026 in Review

Acadian Asset Management increased its John Marshall Bancorp (JMSB) stake by 305% in Q2 2026, buying an estimated $1.47M and bringing the position to 91,906 shares worth $2M. The position accounts for ﹤0.01% of the portfolio, ranked #1076.

Acadian Asset Management first reported a position in JMSB in Q4 2025 and has held it in 3 quarters since. 94 funds tracked by Wall St. Rank hold JMSB as of Q2 2026.

  • Acadian Asset Management held 91,906 shares of John Marshall Bancorp worth $2M as of Q2 2026.
  • Acadian Asset Management bought 69,193 John Marshall Bancorp shares in Q2 2026, an estimated $1.47M.
  • John Marshall Bancorp made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1076 holding.
  • Acadian Asset Management first reported a position in John Marshall Bancorp in Q4 2025 and has held it in 3 quarters since.
  • 94 funds tracked by Wall St. Rank held John Marshall Bancorp as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.