JMSB Stock Summary and Trading Ideas (John Marshall Bancorp | NASDAQ:JMSB)

John Marshall Bancorp Inc is a bank holding company. Through its banking subsidiary, it offers banking products and financial services to small to medium-sized businesses, professional corporations, non-profits, and individuals. The products and services offered by the company include commercial checking, savings, and money market accounts, certificates of deposit, treasury and cash management services, commercial and industrial loans, commercial real estate loans, residential and commercial construction and development loans, online banking, and mobile banking. The firm serves local businesses, professionals, individuals, and families throughout the Washington, D.C. metropolitan area.

John Marshall Bancorp trades on the NASDAQ stock market under the symbol JMSB.

As of April 20, 2026, JMSB stock price climbed to $21.45 with 103,163 million shares trading.

JMSB has a beta of 0.80, meaning it tends to be less sensitive to market movements. JMSB has a correlation of 0.19 to the broad based SPY ETF.

JMSB has a market cap of $304.69 million. This is considered a Small Cap stock.

Last quarter John Marshall Bancorp reported $16 million in Revenue and $.42 earnings per share. This fell short of revenue expectation by $-187,000 and exceeded earnings estimates by $.03.

In the last 3 years, JMSB traded as high as $26.52 and as low as $13.81.

The top ETF exchange traded funds that JMSB belongs to (by Net Assets): VTI, IWM, VXF, IWN, VTWO.

JMSB has outperformed the market in the last year with a return of +51.2%, while the SPY ETF gained +36.0%. In the last 3 month period, JMSB beat the market returning +8.7%, while SPY returned +2.7%. However, in the most recent 2 weeks JMSB has underperformed the stock market by returning +5.2%, while SPY returned +8.1%.

JMSB support price is $20.65 and resistance is $21.41 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that JMSB shares will trade within this expected range on the day.