John Marshall Bancorp Inc
Ownership
Ownership Structure
Who owns John Marshall Bancorp Inc (JMSB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 86.9% of the shares are freely tradable; institutional investors hold 49.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Investment Management,Inc. | 13.83 | 1,965,531 | -26.2 | 03/31/2026 |
| BlackRock Inc | 6.16 | 875,363 | +0.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.78 | 537,376 | +0.0 | 03/31/2026 |
| Ayrshire Associates Inc | 2.47 | 351,149 | +0.3 | 06/30/2026 |
| Toth Financial Advisory Corp | 2.37 | 336,253 | -8.8 | 06/30/2026 |
| Geode Capital Management, LLC | 2.08 | 295,304 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Small-Cap Value | 8.32 | 1,182,586 | -2.0 | 07/31/2026 |
| T. Rowe Price U.S. SC Value Eq Tr-D | 4.91 | 697,335 | -0.5 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.67 | 379,425 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.33 | 331,424 | -0.6 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Kinney Jonathan Craig | Director | 609,927 | 14,089,314 $ | Aug 26, 2026 | both |
| Chase Philip | Director | 32,408 | 748,625 $ | Aug 26, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | Chase Philip | Director | Buy | 133 | 22.96 | 3,054 |
| Aug 26, 2026 | Kinney Jonathan Craig | Director | Buy | 1,238 | 22.92 | 28,375 |
| Aug 26, 2026 | Kinney Jonathan Craig | Director | Buy | 1,119 | 22.92 | 25,647 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.