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MainStreet Bancshares, Inc. (MNSB) stock analysis

MNSBNasdaqState Commercial BanksFiscal year ends December 31Also trades as MNSBP
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 9, 2026Score 11/3017% below fair value
$21.45−0.10 (-0.46%)

Close on Nov 12, 2026Market cap $152.75MP/E 11.0Yield 1.86%

StockData Score

Prices as of Nov 12, 2026How the score works

Value4Growth2Performance0Health2Dividend3

Mixed11 of 30 checks passed

MainStreet Bancshares passes 11 of the 30 checks behind our score; 7 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.

Valuation
4/6
Growth
2/6
Past performance
0/6
Financial health
2/6
Dividend
3/6

What stands out

  • Trading below fair value

    The share price of $21.45 is below our fair value estimate of $25.77.

  • Revenue growing 10%+ a year

    Revenue grew 15.2% a year over the last three fiscal years.

  • P/E below the industry

    MainStreet Bancshares's P/E of 11.0 is below the Commercial Banks median of 12.0.

  • Covered by free cash flow

    Dividends take 12.4% of free cash flow.

What to watch

  • Margin of safety under 20%

    The price is 16.8% below fair value, less than the 20% cushion we look for.

  • Return on equity under 15%

    Return on equity was 7.6% over the last twelve months and averaged 8.3% over five years; we look for 15% on both.

  • Earnings shrank over 5 years

    Net income shrank 0.1% a year on average over the last five fiscal years.

  • EPS growing under 10% a year

    Diluted EPS grew -18.6% a year over the last three fiscal years.

Valuation4/6
  • P/E above its 5-year median

    MainStreet Bancshares's P/E of 11.0 is above its own 5-year median of 8.9.

  • P/E below the industry

    MainStreet Bancshares's P/E of 11.0 is below the Commercial Banks median of 12.0.

  • P/S below the industry

    MainStreet Bancshares's price-to-sales of 1.13 is below the Commercial Banks median of 3.61.

  • P/B below the industry

    MainStreet Bancshares's price-to-book of 0.71 is below the Commercial Banks median of 1.28.

  • Trading below fair value

    The share price of $21.45 is below our fair value estimate of $25.77.

  • Margin of safety under 20%

    The price is 16.8% below fair value, less than the 20% cushion we look for.

Growth2/6
  • Revenue growing 10%+ a year

    Revenue grew 15.2% a year over the last three fiscal years.

  • EPS growing under 10% a year

    Diluted EPS grew -18.6% a year over the last three fiscal years.

  • Earnings acceleration

    Needs positive net income now, a year ago and five years ago.

  • Growing faster than the industry

    Revenue grew 261% over the last twelve months; the Commercial Banks median is 11.3%.

  • Company guidance

    No outlook found in earnings releases from the last twelve months.

  • Gross margin trend

    Banks and insurers do not report gross profit.

Past performance0/6
  • Return on equity under 15%

    Return on equity was 7.6% over the last twelve months and averaged 8.3% over five years; we look for 15% on both.

  • Return on assets under 1%

    Return on assets was 0.8%; for a bank or insurer, 1% or more is considered good.

  • Return on equity below the industry

    MainStreet Bancshares's return on equity of 7.6% is below the Commercial Banks median of 11.5%.

  • Earnings shrank over 5 years

    Net income shrank 0.1% a year on average over the last five fiscal years.

  • Net margin below its 5-year average

    Net margin was 12.1% over the last twelve months, against a 5-year average of 194%.

  • Net margin below the industry

    MainStreet Bancshares's net margin of 12.1% is below the Commercial Banks median of 30.3%.

Financial health2/6
  • Well capitalized

    Equity is 9.6% of total assets; 8% or more is a comfortable cushion.

  • Loans funded by deposits

    Needs loans and deposits.

  • Adequate loan-loss reserve

    The allowance for credit losses is not reported.

  • High cost base

    Non-interest expense takes 68.3% of revenue; under 60% is efficient for a bank.

  • Deposits growing

    Deposits grew 6.2% over the past year.

  • Borrowings

    Needs debt and equity figures.

Dividend3/6
  • Pays a dividend

    MainStreet Bancshares paid dividends worth 1.9% of the share price over the last twelve months.

  • Yield below Treasuries

    The 1.9% yield is below the 4.6% on a 1-year Treasury.

  • Yield below the top quarter

    The top quarter of US dividend payers yield 3.9% or more; MainStreet Bancshares yields 1.9%.

  • Dividend stability

    Fewer than five years of dividend history.

  • Covered by earnings

    Dividends take 17.9% of net income.

  • Covered by free cash flow

    Dividends take 12.4% of free cash flow.

Scores of similar companies

Our estimate per share

$25.77

The share price is 17% below this estimate.

20%+ below
Near fair value
20%+ above
$21.45Price$25.77Fair value
MethodMultiple usedOwn 5Y medianIndustry medianValue per shareWeight
P/E10.5×8.9×12.0×$20.4250%
P/B1.0×0.8×1.3×$31.1350%
Fair value$25.77100%

Valuation over time

Using the earnings and balance sheet published at each date, not today's.

  • P/E at month end
  • Own 5-year median 8.9
  • Commercial Banks median 12.0

An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.

Market risk

From the past year of daily prices.

Liquidity

High risk

Average value traded per day
$822.32K
Value traded per 1% price move
$659.19K

Downside

Low risk

Typical loss in a bad month
12.9%
Volatility (annualized)
28%
Sharpe ratio, 1 year
0.48
Beta to the S&P 500 (5Y)
0.44

Typical bad-month loss, week by week

25%: high

Margins

Share of revenue, fiscal years 2017 to 2025

Gross margin

54.3%

Net margin

11.5%−17.9 pts over 5 years

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