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 Q2 2026
Institutions Reporting
78
Shares (Excl. Options)
6,871,959
Price
$20.28
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- JMSB on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 6,871,959
- Total 13F value
- $139,378,218
- Portfolio coverage rank
- 0%
- Share change
- +78,795
- Value change
- +$1,612,272
- Number of holders
- 78
- Shares outstanding
- 14,189,066
- SEC-reported price per share
- $21.80
- Insider filing price
- $21.80
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- JMSB - John Marshall Bancorp, Inc. - COMMON STOCK is tracked under CUSIP 47805L101.
- 78 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 78 to 2 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $139,378,218 to $15,718.
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 78 institutions filings for Q1 2026.
Security key
47805L101
Latest holder period
Q1 2026
13F holders
78
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:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
JMSB
| 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, 78 institutional investors reported holding 6,871,959 shares of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB). This represents 48% of the company’s total 14,189,066 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
46%
| 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 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
38
Latest
Q1 2026
Rows shown
1-25 of 38
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 721 | $15,718 | $21.80 | 2 | |
| 2026 Q1 | 6,871,959 | $139,378,218 | +$1,612,272 | $20.28 | 78 |
| 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 |