JOHN MARSHALL BANCORP INC (JMSB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in JMSB · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$8.0M
Across holders
Last Price
$23.04
2026-08-24
Sector
Financials
GICS
Quarterly fund activity7 increased0 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 104K | $2.3M | 28.4% | 0.0% | Added | +$1.6M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 98K | $2.1M | 26.8% | 0.0% | Added | +$1.1M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 46K | $1.0M | 12.7% | 0.0% | Added | +$123K | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 42K | $920K | 11.6% | 0.0% | Added | +$908K | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 31K | $669K | 8.4% | 0.0% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 28K | $601K | 7.5% | 0.0% | Added | — | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 17K | $366K | 4.6% | 0.0% | Added | — | Q2 2026 |
Added
Hedge Fund
$2.3M· 28.4% of total· 0.0% port· 104K sh· +$1.6M QoQ· Q2 2026
Added
Hedge Fund
$2.1M· 26.8% of total· 0.0% port· 98K sh· +$1.1M QoQ· Q2 2026
Added
Hedge Fund
$1.0M· 12.7% of total· 0.0% port· 46K sh· +$123K QoQ· Q2 2026
Added
Hedge Fund
$920K· 11.6% of total· 0.0% port· 42K sh· +$908K QoQ· Q2 2026
Added
Hedge Fund
$669K· 8.4% of total· 0.0% port· 31K sh· — QoQ· Q2 2026
Added
Hedge Fund
$601K· 7.5% of total· 0.0% port· 28K sh· — QoQ· Q2 2026
Added
Hedge Fund
$366K· 4.6% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
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