John Marshall BancorpJMSB
13F holders, Q1 2026 (March 31)79holders +6
7new positions
4sold out
3famous investors
$20.28avg. 13F price*
At the end of Q1 2026, 79 institutions reported holding John Marshall Bancorp Inc. (JMSB) in their 13F filings, up 6 from Q4 2025. 7 opened new positions and 4 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($39.9M), BlackRock, Inc. ($17.8M) and Vanguard Capital Management LLC ($10.9M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- John Marshall Bancorp Inc.
- CUSIP
- 47805L101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $2.2M |
| Exits | 4 | $694K |
All 13F filers, Q4 2025 → Q1 2026: 205,122 shares bought and 126,315 shares sold, net +78,807 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 79 holders
| T. Rowe Price Investment Management, Inc. | 0.03% | Add +0.1% | 1,965,531 | $39.9M |
| BlackRock, Inc. | 0.00% | Add +0.4% | 875,363 | $17.8M |
| Vanguard Capital Management LLC | 0.00% | — | 537,376 | $10.9M |
| FJ Capital Management LLC | 0.94% | Reduce -0.2% | 412,273 | $8.4M |
| Toth Financial Advisory Corp. | 0.82% | Reduce -1.6% | 368,621 | $7.5M |
| Evermay Wealth Management LLC | 0.79% | Add +0.4% | 349,969 | $7.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.0% | 295,304 | $6.0M |
| State Street Corp. | 0.00% | Add +2.0% | 217,398 | $4.4M |
| Bank of America Corp. | 0.00% | Reduce -15.3% | 206,711 | $4.2M |
| MAI Capital Management | 0.02% | Add +0.0% | 198,116 | $4.0M |
| Rhino Investment Partners, Inc | 0.67% | Add +25.0% | 118,580 | $2.4M |
| Brown Advisory Inc. | 0.00% | No change | 108,342 | $2.2M |
| Fourthstone LLC | 0.37% | Reduce -3.3% | 108,178 | $2.2M |
| Elizabeth Park Capital Advisors, Ltd. | 1.64% | No change | 105,339 | $2.1M |
| Cresset Asset Management, LLC | 0.01% | Add +1.5% | 104,495 | $2.1M |
| Northern Trust Corp. | 0.00% | Add +3.7% | 99,522 | $2.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 79,508 | $1.6M |
| Vanguard Portfolio Management LLC | 0.00% | — | 72,885 | $1.5M |
| Wealthspire Advisors, LLC | 0.01% | New | 64,141 | $1.3M |
| Meridian Financial Partners LLC | 0.45% | No change | 57,619 | $1.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.6% | 36,597 | $742K |
| Renaissance Technologies | 0.00% | Add +22.0% | 31,600 | $641K |
| Marshall Wace, LLP | 0.00% | New | 31,472 | $638K |
| Goldman Sachs Group Inc. | 0.00% | Add +38.0% | 31,402 | $637K |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.9% | 31,207 | $633K |
| Nuveen, LLC | 0.00% | Add +0.7% | 28,488 | $578K |
| Quantinno Capital Management LP | 0.00% | Add +55.6% | 25,245 | $512K |
| Advisory Services Network, LLC | 0.01% | Add +1.5% | 24,719 | $501K |
| Acadian Asset Management LLC | 0.00% | Add +511.1% | 22,713 | $459K |
| AQR Capital Management | 0.00% | Add +5.0% | 21,760 | $441K |
| Morgan Stanley | 0.00% | Add +5.7% | 21,299 | $432K |
| Snowden Capital Advisors LLC | 0.01% | No change | 21,017 | $426K |
| Royal Bank of Canada | 0.00% | Reduce -3.1% | 20,843 | $423K |
| Citadel Advisors | 0.00% | Reduce -34.8% | 20,385 | $413K |
| Mariner, LLC | 0.00% | Add +0.6% | 16,672 | $338K |
| Rhumbline Advisers | 0.00% | Reduce -1.3% | 16,632 | $337K |
| KFA Private Wealth Group, LLC | 0.07% | New | 14,865 | $301K |
| Gsa Capital Partners LLP | 0.02% | Add +6.7% | 12,706 | $258K |
| UBS Group AG | 0.00% | Add +8.1% | 11,042 | $224K |
| Jane Street Group, LLC | 0.00% | Reduce -14.8% | 10,986 | $223K |
| Osaic Holdings, Inc. | 0.00% | No change | 10,411 | $211K |
| Deutsche Bank AG | 0.00% | Add +35.9% | 9,589 | $194K |
| Wells Fargo & Company | 0.00% | Reduce -52.7% | 7,720 | $157K |
| MetLife Investment Management, LLC | 0.00% | No change | 7,245 | $147K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.3% | 6,020 | $122K |
| JPMorgan Chase & Co. | 0.00% | Reduce -35.3% | 5,145 | $105K |
| New York State Common Retirement Fund | 0.00% | No change | 4,667 | $95K |
| Vanguard Global Advisers, LLC | 0.00% | — | 4,234 | $86K |
| Atlantic Union Bankshares Corp | 0.00% | No change | 3,375 | $68K |
| Barclays PLC | 0.00% | Reduce -83.2% | 3,370 | $68K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,480 | $50K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +221.9% | 1,748 | $35K |
| STRS Ohio | 0.00% | No change | 1,600 | $32K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,260 | $26K |
| Legal & General Group Plc | 0.00% | No change | 1,165 | $24K |
| Russell Investments Group, Ltd. | 0.00% | No change | 1,047 | $21K |
| Citigroup Inc. | 0.00% | Add +207.7% | 917 | $19K |
| California State Teachers Retirement System | 0.00% | Reduce -11.7% | 684 | $14K |
| Versant Capital Management, Inc | 0.00% | Add +9.9% | 475 | $10K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.7% | 418 | $8K |
| Cwm, LLC | 0.00% | Add +14.1% | 397 | $8K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 331 | $7K |
| GAMMA Investing LLC | 0.00% | Add +4.7% | 246 | $5K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +10.7% | 134 | $3K |
| Optiver Holding B.V. | 0.00% | Reduce -36.4% | 126 | $3K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -1.1% | 91 | $2K |
| FMR LLC | 0.00% | Add +21.2% | 80 | $2K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 19 | $385 |
| Essential Partners LLC | 0.00% | Reduce -56.7% | 13 | $264 |
| Allworth Financial LP | 0.00% | Add +233.3% | 10 | $203 |
| Arax Advisory Partners | 0.00% | Reduce -78.7% | 10 | $203 |
| Root Financial Partners, LLC | 0.00% | New | 6 | $122 |
| Basecamp Wealth Advisors LLC | 0.00% | New | 5 | $101 |
| IFP Advisors, Inc | 0.00% | Reduce -42.9% | 4 | $81 |
| Rothschild Investment LLC | 0.00% | Add +100.0% | 2 | $41 |
| True Wealth Design, LLC | 0.00% | No change | 1 | $21 |
| Sunbelt Securities, Inc. | 0.00% | No change | 1 | $20 |
| Keating Financial Advisory Services, Inc. | 0.00% | New | 1 | $20 |
| Covestor Ltd | 0.00% | Reduce -95.5% | 4 | $0 |
"% of holder's portfolio" is JMSB's weight in each manager's 13F, not the share of John Marshall Bancorp Inc. the manager owns.