Latest Period
Q1 2026
Security Snapshot
John Marshall Bancorp, Inc. - COMMON STOCK (JMSB) Institutional Ownership
CUSIP: 47805L101
13F Institutional Holders and Ownership History from Q1 2017 to Q1 2026
Institutions Reporting
77
Shares (Excl. Options)
6,871,954
Price
$20.28
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Type / Class
- Equity / COMMON STOCK
- Symbol
- JMSB on Nasdaq
- Shares outstanding
- 14,189,066
- Price per share
- $20.28
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 6,871,954
- Total reported value
- $139,378,117
- % of total 13F portfolios
- 0%
- Share change
- +78,790
- Value change
- +$1,612,171
- Number of holders
- 77
- Price from insider filings
- $20.28
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- JMSB - John Marshall Bancorp, Inc. - COMMON STOCK is tracked under CUSIP 47805L101.
- 77 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 73 to 77 between Q4 2025 and Q1 2026.
- Reported value moved from $135,828,774 to $139,378,117.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 77 institutions filings for Q1 2026.
Security key
47805L101
Latest holder period
Q1 2026
13F holders
77
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
JMSB full holder history
John Marshall Bancorp, Inc. SEC filings
John Marshall Bancorp, Inc. company facts
John Marshall Bancorp, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 47805L101:
Significant Owners of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 14% | $32,443,724 | 1,943,902 | T. Rowe Price Investment Management, Inc. | 31 Dec 2024 |
As of 31 Mar 2026, 77 institutional investors reported holding 6,871,954 shares of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB). This represents 48% of the company’s total 14,189,066 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB) together control 46% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 14% | 1,965,531 | +0.15% | 0.03% | $39,861,000 |
| BlackRock, Inc. | 6.2% | 875,363 | +0.43% | 0% | $17,752,363 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.8% | 537,376 | 0% | 0% | $10,897,985 |
| FJ Capital Management LLC | 2.9% | 412,273 | -0.16% | 0.94% | $8,360,896 |
| TOTH FINANCIAL ADVISORY CORP | 2.6% | 368,621 | -1.6% | 0.82% | $7,475,639 |
| EVERMAY WEALTH MANAGEMENT LLC | 2.5% | 349,969 | +0.44% | 0.79% | $7,097,372 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 295,304 | -0.02% | 0% | $5,990,200 |
| STATE STREET CORP | 1.5% | 217,398 | +2% | 0% | $4,408,831 |
| BANK OF AMERICA CORP /DE/ | 1.5% | 206,711 | -15% | 0% | $4,192,099 |
| MAI Capital Management | 1.4% | 198,116 | +0% | 0.02% | $4,017,793 |
| Rhino Investment Partners, Inc | 0.84% | 118,580 | +25% | 0.67% | $2,404,802 |
| BROWN ADVISORY INC | 0.76% | 108,342 | 0% | 0% | $2,197,176 |
| Fourthstone LLC | 0.76% | 108,178 | -3.3% | 0.37% | $2,193,850 |
| Elizabeth Park Capital Advisors, Ltd. | 0.74% | 105,339 | 0% | 1.6% | $2,136,275 |
| Cresset Asset Management, LLC | 0.74% | 104,495 | +1.5% | 0.01% | $2,119,150 |
| NORTHERN TRUST CORP | 0.7% | 99,522 | +3.7% | 0% | $2,018,307 |
| VANGUARD FIDUCIARY TRUST CO | 0.56% | 79,508 | 0% | 0% | $1,612,422 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.51% | 72,885 | 0% | 0% | $1,478,108 |
| Wealthspire Advisors, LLC | 0.45% | 64,141 | 0.01% | $1,300,775 | |
| Meridian Financial Partners LLC | 0.41% | 57,619 | 0% | 0.45% | $1,181,766 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.26% | 36,597 | +5.6% | 0% | $742,187 |
| RENAISSANCE TECHNOLOGIES LLC | 0.22% | 31,600 | +22% | 0% | $640,848 |
| MARSHALL WACE, LLP | 0.22% | 31,472 | 0% | $638,251 | |
| GOLDMAN SACHS GROUP INC | 0.22% | 31,402 | +38% | 0% | $636,832 |
| Bank of New York Mellon Corp | 0.22% | 31,207 | -3.9% | 0% | $632,878 |
Institutional Holders of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 6,871,954 | $139,378,117 | +$1,612,171 | $20.28 | 77 |
| 2025 Q4 | 6,791,775 | $135,828,774 | +$1,755,486 | $19.99 | 73 |
| 2025 Q3 | 6,698,696 | $132,715,597 | +$1,470,751 | $19.82 | 67 |
| 2025 Q2 | 6,648,340 | $123,382,792 | +$3,521,662 | $18.53 | 60 |
| 2025 Q1 | 6,466,722 | $106,832,309 | +$460,302 | $16.52 | 53 |
| 2024 Q4 | 6,432,661 | $129,171,525 | +$13,149,025 | $20.08 | 54 |
| 2024 Q3 | 5,825,917 | $115,192,122 | +$1,506,560 | $19.78 | 54 |
| 2024 Q2 | 5,715,240 | $99,893,683 | +$1,345,579 | $17.44 | 51 |
| 2024 Q1 | 5,658,395 | $101,238,776 | +$2,245,589 | $17.92 | 51 |
| 2023 Q4 | 5,520,178 | $124,321,832 | +$5,798,416 | $22.56 | 50 |
| 2023 Q3 | 5,278,923 | $94,200,434 | -$140,057 | $17.85 | 49 |
| 2023 Q2 | 5,269,295 | $105,966,218 | +$4,677,830 | $20.09 | 50 |
| 2023 Q1 | 4,993,097 | $107,864,707 | -$445,240 | $21.60 | 50 |
| 2022 Q4 | 5,039,410 | $144,756,510 | +$1,874,656 | $28.78 | 53 |
| 2022 Q3 | 4,977,567 | $122,335,457 | -$30,328,377 | $24.56 | 45 |
| 2022 Q2 | 4,885,616 | $110,388,025 | +$108,965,111 | $22.54 | 45 |
| 2022 Q1 | 63,130 | $1,382,087 | +$293,000 | $21.88 | 2 |
| 2021 Q4 | 49,730 | $989,627 | -$340,000 | $19.90 | 1 |
| 2021 Q3 | 68,481 | $1,242,600 | +$363,000 | $18.14 | 2 |
| 2021 Q2 | 48,481 | $850,762 | $17.55 | 2 | |
| 2021 Q1 | 48,481 | $834,356 | $17.21 | 2 | |
| 2020 Q4 | 48,481 | $693,139 | $14.30 | 2 | |
| 2020 Q3 | 48,481 | $519,111 | -$737,000 | $10.71 | 2 |
| 2020 Q2 | 115,392 | $1,271,625 | -$957,422 | $11.03 | 4 |
| 2020 Q1 | 201,881 | $2,228,330 | $11.01 | 4 | |
| 2019 Q4 | 201,881 | $3,330,545 | -$503,343 | $16.49 | 4 |
| 2019 Q3 | 202,651 | $3,433,000 | -$152,450 | $16.94 | 3 |
| 2019 Q2 | 211,651 | $2,507,000 | $14.03 | 3 | |
| 2019 Q1 | 211,651 | $3,358,000 | -$2,410,782 | $15.11 | 3 |
| 2018 Q4 | 370,440 | $5,605,000 | $14.94 | 4 | |
| 2018 Q3 | 370,440 | $6,834,000 | -$710,368 | $18.45 | 4 |
| 2018 Q2 | 408,940 | $7,627,000 | -$116,293 | $18.66 | 4 |
| 2018 Q1 | 415,189 | $7,287,000 | +$816,896 | $17.55 | 3 |
| 2017 Q4 | 368,650 | $6,562,275 | -$5,102,000 | $17.80 | 3 |
| 2017 Q3 | 645,956 | $11,885,000 | +$2,165,691 | $18.40 | 4 |
| 2017 Q2 | 528,248 | $10,965,000 | +$80,940 | $20.80 | 4 |
| 2017 Q1 | 523,590 | $11,388,000 | +$11,388,000 | $21.75 | 5 |