Mariner
JMSB icon

Mariner’s John Marshall Bancorp JMSB Stock Holding History

Mariner’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 		$389K Buy
17,836
+1,164
+7% +$24.7K ﹤0.01% 2631
2026
Q1 		$338K Buy
16,672
+104
+0.6% +$2.08K ﹤0.01% 2761
2025
Q4 		$331K Buy
16,568
+64
+0.4% +$1.26K ﹤0.01% 2755
2025
Q3 		$327K Buy
16,504
+196
+1% +$3.83K ﹤0.01% 2738
2025
Q2 		$302K Buy
16,308
+16
+0.1% +$269 ﹤0.01% 2719
2025
Q1 		$269K Sell
16,292
-14
-0.1% -$259 ﹤0.01% 2729
2024
Q4 		$327K Sell
16,306
-81
-0.5% -$1.77K ﹤0.01% 2547
2024
Q3 		$324K Buy
16,387
+2,266
+16% +$42.4K ﹤0.01% 2509
2024
Q2 		$246K Sell
14,121
-47
-0.3% -$799 ﹤0.01% 2608
2024
Q1 		$254K Sell
14,168
-221
-2% -$4.17K ﹤0.01% 2582
2023
Q4 		$325K Sell
14,389
-38
-0.3% -$730 ﹤0.01% 2263
2023
Q3 		$258K Sell
14,427
-2,972
-17% -$55.8K ﹤0.01% 2283
2023
Q2 		$350K Buy
17,399
+928
+6% +$18.5K ﹤0.01% 2002
2023
Q1 		$356K Sell
16,471
-8,440
-34% -$209K ﹤0.01% 1938
2022
Q4 		$717K Buy
24,911
+9,172
+58% +$256K ﹤0.01% 1415
2022
Q3 		$387K Buy
15,739
+1,777
+13% +$45K ﹤0.01% 1586
2022
Q2 		$315K Buy
+13,962
New +$362K ﹤0.01% 1269

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 $3.37T AUM 44.26% 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

Mariner's JMSB Position: Q2 2026 in Review

Mariner increased its John Marshall Bancorp (JMSB) stake by 7% in Q2 2026, buying an estimated $24.7K and bringing the position to 17,836 shares worth $389K. The position accounts for ﹤0.01% of the portfolio, ranked #2631.

Mariner first reported a position in JMSB in Q2 2022 and has held it in 17 quarters since. The position peaked at $717K in Q4 2022. 95 funds tracked by Wall St. Rank hold JMSB as of Q2 2026.

  • Mariner held 17,836 shares of John Marshall Bancorp worth $389K as of Q2 2026.
  • Mariner bought 1,164 John Marshall Bancorp shares in Q2 2026, an estimated $24.7K.
  • John Marshall Bancorp made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2631 holding.
  • Mariner first reported a position in John Marshall Bancorp in Q2 2022 and has held it in 17 quarters since.
  • Mariner's John Marshall Bancorp position peaked at $717K in Q4 2022.
  • 95 funds tracked by Wall St. Rank held John Marshall Bancorp as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.