MainStreet Bancshares, Inc.(MNSB)— Stock Profile, AI Score & Financials

Financials · Nasdaq · AI-powered stock analysis, 32-signal quality score, SEC EDGAR financials, and institutional holdings. Updated .

MainStreet Bancshares, Inc. (MNSB) stock profile, AI quality score, and SEC EDGAR financial data, a Financials sector company. 13F Pro's AI-powered ranking engine scores MNSB at 36.3/100 on a 32-signal composite quality model, placing it at rank #2,275 of 2,962 stocks — the bottom half of the AI-ranked universe. MNSB scores in the top quartile across profitability (81.2), free cash flow (75.8). Areas of concern include revenue scale (16.2) and revenue growth (19.6), which score below median versus the broader universe. Shareholder dilution risk is elevated at 41.0/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), MainStreet Bancshares, Inc. reports quarterly revenue of $19.1M, net income of $4.7M, an operating margin of 31.5%. Top institutional holders of MNSB by reported 13-F value include BANC FUNDS, BlackRock, ALLIANCEBERNSTEIN L.P., based on the most recent SEC filings. MNSB trades on the Nasdaq exchange and files with the SEC under CIK 1693577. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MNSB daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MainStreet Bancshares, Inc. directly from SEC EDGAR.

AI Quality Score

36.3/100

AI Rank

#2,275

Revenue

$19.1M

Net Income

$4.7M

Free Cash Flow

$4.8M

Operating Margin

31.5%

MNSB key financials by period

MainStreet Bancshares, Inc. reported revenue, net income and margins by fiscal period, from SEC filings.
PeriodFormRevenueNet incomeOperating margin
FY 202510-K$135.6M$15.6M14.1%
FY 202410-K/A$137.9M$-10.0M-10.1%
FY 202310-K/A$127.8M$26.6M25.7%
FY 202210-K/A$88.7M$26.7M37.6%
FY 202110-K$59.6M$22.2M46.9%
FY 202010-K$53.4M$15.7M36.6%

Institutions holding MNSB

Institutional investors reporting a position in MainStreet Bancshares, Inc. on SEC Form 13F.
InstitutionSharesValueReported
BANC FUNDS545,679$13.5M2026-06-30
BlackRock404,037$10.0M2026-06-30
ALLIANCEBERNSTEIN L.P.418,393$9.3M2026-06-30
WELLINGTON MANAGEMENT GROUP LLP336,961$8.3M2026-06-30
VANGUARD CAPITAL MANAGEMENT262,466$6.5M2026-06-30
DIMENSIONAL FUND ADVISORS205,014$5.1M2026-06-30
ACADIAN ASSET MANAGEMENT183,245$4.5M2026-06-30
FIRST MANHATTAN161,731$4.0M2026-06-30
GEODE CAPITAL MANAGEMENT152,196$3.8M2026-06-30
MARSHALL WACE, LLP120,194$3.0M2026-06-30
MNSB

MainStreet Bancshares, Inc.

MNSB
NasdaqSmall CapFinancials

13F Pro Quality Score

36.3/100

Rank #2,275 of 2,962 stocks

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Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Revenue Growth

19.6/100

Profitability

81.2/100

Balance Sheet

40.1/100

Earnings Quality

61.1/100

Free Cash Flow

75.8/100

Institutional Flow

21.5/100

Revenue Scale

16.2/100

Dilution Risk

41.0/100

Price Chart

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Key Metrics

Revenue

Q2 2026
EDGAR

$19.13M

Net Income

Q2 2026
EDGAR

$4.67M

EPS (Diluted)

Q2 2026
EDGAR

$0.58

Operating Margin

Q2 2026
EDGAR

31.5%

ROIC

Q2 2026
EDGAR

11.2%

Free Cash Flow

Q2 2026
EDGAR

$4.85M

Top Institutional Holders

as of Q2 2026
$99.30M total

Financial Trends

Revenue & Net Income

Earnings Per Share

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