Security Snapshot

John Marshall Bancorp, Inc. - COMMON STOCK (JMSB) Institutional Ownership

CUSIP: 47805L101

13F Institutional Holders and Ownership History from Q1 2017 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

93

Shares (Excl. Options)

6.96MFull value: 6,963,273 · shares · 30 Jun 2026

Price

$21.80

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / COMMON STOCK
Symbol
JMSB on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
6,963,273
Latest holder snapshot 5 signals
Total 13F value
$151,818,047
Portfolio coverage rank
0%
Share change
+91,712
Value change
+$2,997,055
Number of holders
93
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
14,189,066
SEC-reported price per share
$22.71
Insider filing price
$22.71
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • JMSB - John Marshall Bancorp, Inc. - COMMON STOCK is tracked under CUSIP 47805L101.
  • 93 institutions reported positions in Q2 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 78 to 93 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $139.38MFull value: $139,378,218 · USD · 31 Mar 2026
    to
    $151.82MFull value: $151,818,047 · USD · 30 Jun 2026
    .

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

Latest holder context comes from 93 institutions filings for Q2 2026.

Open SEC evidence

Security key

47805L101

13F reference period

Q2 2026

13F holders

93

13D/G owners

1

CIK / CUSIP context first

Open Q2 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

Latest 13F filings Latest 13D/G filings All securities

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 30 Jun 2026, 93 institutional investors reported holding
6.96MFull value: 6,963,273 · shares · 30 Jun 2026
shares of John Marshall Bancorp, Inc. - COMMON STOCK (JMSB). This represents 49% of the company’s total
14.19MFull value: 14,189,066 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
44%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
T. Rowe Price Investment Management, Inc. 14% 1,965,531 0% 0.03% $42,849,000
BlackRock, Inc. 6.9% 984,411 +12% 0% $21,460,159
VANGUARD CAPITAL MANAGEMENT LLC 3.8% 534,570 -0.52% 0% $11,653,626
EVERMAY WEALTH MANAGEMENT LLC 2.5% 351,149 +0.34% 0.79% $7,655,049
TOTH FINANCIAL ADVISORY CORP 2.4% 336,253 -8.8% 0.72% $7,330,310
GEODE CAPITAL MANAGEMENT, LLC 2.2% 316,184 +7.1% 0% $6,894,460
STATE STREET CORP 1.5% 218,522 +0.52% 0% $4,763,780
BANK OF AMERICA CORP /DE/ 1.3% 178,112 -14% 0% $3,882,841
MAI Capital Management 0.94% 133,192 -33% 0.01% $2,903,586
BROWN ADVISORY INC 0.76% 108,342 0% 0% $2,361,856
Elizabeth Park Capital Advisors, Ltd. 0.74% 105,339 0% 1.6% $2,296,390
Cresset Asset Management, LLC 0.74% 104,494 -0% 0.01% $2,277,981
RENAISSANCE TECHNOLOGIES LLC 0.73% 103,700 +228% 0% $2,260,660
NORTHERN TRUST CORP 0.7% 99,995 +0.48% 0% $2,179,892
MARSHALL WACE, LLP 0.69% 98,090 +212% 0% $2,138,361
ACADIAN ASSET MANAGEMENT LLC 0.65% 91,906 +305% 0% $1,995,000
MACKENZIE FINANCIAL CORP 0.62% 88,203 0% $1,922,825
VANGUARD PORTFOLIO MANAGEMENT LLC 0.6% 84,517 +16% 0% $1,842,471
VANGUARD FIDUCIARY TRUST CO 0.58% 82,862 +4.2% 0% $1,806,392
Wealthspire Advisors, LLC 0.45% 64,333 +0.3% 0.01% $1,402,451
Meridian Financial Partners LLC 0.41% 57,619 0% 0.44% $1,264,161
GOLDMAN SACHS GROUP INC 0.39% 55,470 +77% 0% $1,209,246
CITADEL ADVISORS LLC 0.33% 46,416 +128% 0% $1,011,868
Quantinno Capital Management LP 0.32% 45,500 +80% 0% $991,900
AQR CAPITAL MANAGEMENT LLC 0.3% 42,222 +94% 0% $920,437

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
39
Headline period
Q2 2026
Rows shown
1-25 of 39
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 475,362 $10,803,488 +$544,564 $22.71 16
2026 Q2 6,963,273 $151,818,047 +$2,997,055 $21.80 93
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
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