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View all 96 holding institutions

Across its top 20 institutional holders, JMSB's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 30/100).

Notable Holders

JMSB ranks #4694 out of 37501 tracked stocks by institutional interest, inside the more closely watched half of our coverage.

96 institutions disclose a position in JMSB, but none treat it as a major bet — even Elizabeth Park Capital Advisors, Ltd., its most concentrated holder, allocates just 1.6% of its own portfolio to it.

BlackRock has added to its JMSB position for two straight quarters, increasing it by $4.0M to reach $21.5M today.

Bank Of America CORP /de/ has trimmed its JMSB position for two straight quarters, cutting it by $996.8K while still holding $3.9M.

JMSB is up 2% today, and institutions have been net buyers of $17.1M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

Company Fundamentals

JMSB closed its latest fiscal year with net income of $21.2M.

Profitable — net income of $21.2M in the latest fiscal year
Net income improved year over year, from $17.1M to $21.2M
Generated $22.6M in positive operating cash flow
Liabilities run 7.78x equity — a highly leveraged balance sheet worth noting

Price Chart

JMSB Quarterly 13F Institutional Trade Shifts

Recent Activity

+$20.9M

Total Buy Value

$16.1M

Total Sell Value

New buy25

Trim14

Add40

Sold out5

Net Buyers

Net Sellers

Top Movers

JMSB

Q2 2026

Top 5 Institutional Movers

FJ Capital Management

-$8.4M

Sold out

BlackRock

+$3.7M

Add

T. Rowe Price

+$3.0M

Add

Rhino Investment Partners

-$2.4M

Sold out

Fourthstone

-$2.2M

Sold out

Data by AlphaSMO • Not financial advice.

Smart Money Convergence

JMSB does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Recent JMSB Insider Buying & Selling Activity (Form 4)

Congress Trading (STOCK Act)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

Filings (14d)

Data as of 2026-08-19

2026-08-19

No AI summary for this filing type

View Full Filing (SEC EDGAR)

2026-07-28

John Marshall Bancorp (ticker: JMSB) announced that its management will take part in the Keefe, Bruyette & Woods 2026 Summer Bank Conference in New York on July 28, 2026. The presentation will be posted on the Investor Relations section of the company's website and is also being furnished as an exhibit to this SEC filing. This is a routine Regulation FD disclosure—no financial figures or material changes were reported.

View Full Filing (SEC EDGAR)

2026-07-22

John Marshall Bancorp released its financial results for the quarter ending June 30, 2026, in a press release filed with the SEC as an 8-K. The filing includes the full earnings release as an exhibit.

View Full Filing (SEC EDGAR)

2026-07-22

John Marshall Bancorp, Inc. declared a quarterly cash dividend of $0.10 per share on July 21, 2026. The dividend is payable on August 26, 2026 to shareholders of record as of August 5, 2026. The disclosure was made in an 8-K filing with an attached press release.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

CUSIP

47805L101

FAQ

Who are the top institutional investors holding JOHN MARSHALL BANCORP INC (JMSB)?

Major stakeholders currently include T. Rowe Price Investment Management, Inc. ($42.8M), BlackRock, Inc. ($21.5M), Vanguard Capital Management LLC ($11.7M). Based on the latest 13F filings, there are a total of 96 tracked investment funds and institutions maintaining positions in JMSB.

What is the overall institutional sentiment toward JMSB recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $17.1M, driven by 65 managers accumulating shares while 19 reduced their exposure.

Which institutions have been selling or reducing their JMSB positions?

In the latest period, 14 funds trimmed their holdings, and 5 managers completely exited their positions. The aggregate reported sell value was $16.1M.

Are there any notable investors adding JMSB to their portfolios?

Yes, buying activity remains notable. 25 institutions opened new positions in {ticker}, and 40 existing holders added to their shares. The total reported buy value for the quarter amounted to $20.9M.

Note: Data on this page is curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, dedicated to providing accurate insider trading and institutional portfolio reports. Please credit the source when reposting.

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Developer Access

Access JMSB's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/JMSB

CLI

npx alphasmo stocks get JMSB

Full API & MCP documentation →