John Marshall Bancorp
JMSB
79 hedge funds and large institutions have $139M invested in John Marshall Bancorp in 2026 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 31 increasing their positions, 21 reducing their positions, and 4 closing their positions.
614% more capital inflows, than outflows
Capital inflows: $18M | Capital outflows: $2.52M
175% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 4
48% more repeat investments, than reductions
Existing positions increased: 31 | Existing positions reduced: 21
8% more funds holding
Funds holding: 73 → 79 (+6)
0.44% more ownership
Funds ownership: 47.91% → 48.35% (+0.44%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wealthspire Advisors (New York)
New York
|
+$1.28M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$630K |
| 3 |
RIP
Rhino Investment Partners
West Conshohocken,
Pennsylvania
|
+$475K |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$380K |
| 5 |
KPWG
KFA Private Wealth Group
Tysons,
Virginia
|
+$298K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$748K |
| 2 |
Barclays
London,
United Kingdom
|
-$334K |
| 3 |
Wealth Enhancement Advisory Services
Plymouth,
Minnesota
|
-$324K |
| 4 |
Millennium Management
New York
|
-$262K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$218K |
JMSB Hedge Fund Activity: Q1 2026 in Review
79 of the 8,211 institutional investors tracked by Wall St. Rank reported a position in John Marshall Bancorp (JMSB) for Q1 2026, worth a combined $139M — up 2.6% from $136M a quarter earlier.
Buyers outnumbered sellers: 11 funds opened new JMSB positions and 4 closed out — a net gain of 7 holders — while 31 added to existing stakes and 21 trimmed.
The largest buyer was Wealthspire Advisors (New York), opening a new position worth an estimated $1.28M. The largest seller was Bank of America, cutting an estimated $748K.
- 79 institutional investors held John Marshall Bancorp (JMSB) as of Q1 2026, up from 73 in Q4 2025.
- Funds reported $139M of John Marshall Bancorp stock for Q1 2026, up 2.6% quarter-over-quarter.
- 11 funds opened new John Marshall Bancorp positions in Q1 2026 and 4 closed out, a net change of +7 holders.
- The largest John Marshall Bancorp buyer in Q1 2026 was Wealthspire Advisors (New York), an estimated $1.28M added.
- The largest John Marshall Bancorp seller in Q1 2026 was Bank of America, an estimated $748K sold.
Based on aggregated 13F filings for Q1 2026.