What is the 13F Pro Quality Score for MNSB?

13F Pro ranks MainStreet Bancshares, Inc. (MNSB) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View MNSB's current score at https://13fpro.ai/company/MNSB (free sign-up required for the full ranking).

Which hedge funds own the most MNSB stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of MNSB include BANC FUNDS CO, BlackRock,, ALLIANCEBERNSTEIN L.P.. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/company/MNSB as soon as new 13F filings post.

Where does 13F Pro source MNSB data?

All MainStreet Bancshares, Inc. fundamentals and ownership data come directly from SEC EDGAR. MainStreet Bancshares, Inc. files with the SEC under CIK 1693577. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is MNSB in?

MainStreet Bancshares, Inc. (MNSB) is classified in the Financials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/financials.

How often is MNSB research updated on 13F Pro?

MNSB's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

MainStreet Bancshares, Inc.(MNSB)Stock Analysis

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Financials →Nasdaqsmall

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SEC EDGAR: CIK 1693577 MNSB stock profile & AI dashboard →

13F Pro Quality Score

36.3/100

Rank #2,275 of 2,962 stocks

View Financials peers →

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

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Why MNSB Scores 36/100

exact factor attribution · 2026-09-11

MNSB's composite is driven by profitability and free cash flow, held back by revenue growth and scale. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Profitability

+6.2 pts

81th pct

Free cash flow

+3.9 pts

76th pct

Earnings quality

+1.1 pts

61th pct

Shareholder dilution

-0.6 pts

41th pct

Earnings growth

-1.3 pts

31th pct

Capital efficiency

-1.3 pts

40th pct

Institutional flow

-1.9 pts

22th pct

Scale

-6.8 pts

16th pct

Revenue growth

-8.1 pts

20th pct

Latest change (2026-08-07): 53 → 52 · ↓ Dilution 42→3; despite ↑ Earnings growth 18→32

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

MNSB Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for MainStreet Bancshares, Inc. (MNSB), 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. MainStreet Bancshares, Inc.'s 13F Pro composite quality score has ranged between 22 and 66 since 2023, currently 36.3 — a declining long-term trajectory across 60 quarterly and live scoring snapshots.

✦

Fun facts about MainStreet Bancshares, Inc.

Quirks, history, and lore behind MNSB — the kind of stuff that makes a stock memorable.

1
The Basics
A community bank holding company · small-cap · listed on Nasdaq · headquartered in Virginia.
2
The Numbers
Total assets in the range of $2 billion, with a focus on commercial real estate and business lending — not the flashiest numbers on Wall Street, but steady.
3
The History
Founded in the late 1990s in the Blue Ridge foothills of Virginia, it grew by serving small businesses and local communities that bigger banks tend to ignore.
4
The Secret
Despite its small-town roots, it expanded aggressively into the Northern Virginia and Washington, D.C. metro market — chasing growth where the money actually is.
5
The Lore
Its name is essentially a love letter to community banking — evoking the idea that banking should serve Main Street, not just the big guys on Wall Street.
6
The Giveaway
A Virginia community bank whose ticker and name both literally say "Main Street" — traded under MNSB and proud of it.

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Revenue

Q2 2026

$19.1M

Net Income

Q2 2026

$4.7M

Free Cash Flow

Q2 2026

$4.8M

Operating Margin

Q2 2026

31.5%

ROIC

Q2 2026

11.2%

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

-1.6% YoY

$135.6MFY 2025

FY22 $88.7MFY23 $127.8MFY24 $137.9MFY25 $135.6M

Net Income

+256.4% YoY

$15.6MFY 2025

FY22 $26.7MFY23 $26.6MFY24 $-10.0MFY25 $15.6M

EPS (Diluted)

+210.0% YoY

$1.76FY 2025

FY22 $3.26FY23 $3.25FY24 $-1.60FY25 $1.76

Total Assets

-0.7% YoY

$2.21BFY 2025

FY22 $1.88BFY23 $2.04BFY24 $2.23BFY25 $2.21B

Total Debt

$0.00FY 2025

FY22 —FY23 $15.0MFY24 $0.00FY25 $0.00

Op. Cash Flow

+0.5% YoY

$14.8MFY 2025

FY22 $33.5MFY23 $31.6MFY24 $14.7MFY25 $14.8M

Free Cash Flow

-23.1% YoY

$10.6MFY 2025

FY22 $32.4MFY23 $31.1MFY24 $13.8MFY25 $10.6M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$135.6M -1.6%	$137.9M +7.9%	$127.8M +44.1%	$88.7M +48.7%	$59.6M +11.6%	$53.4M
Net Income	$15.6M +256.4%	$-10.0M -137.5%	$26.6M -0.3%	$26.7M +20.3%	$22.2M +41.1%	$15.7M
EPS (Diluted)	$1.76 +210.0%	$-1.60 -149.2%	$3.25 -0.3%	$3.26 +23.0%	$2.65 +43.2%	$1.85
Total Assets	$2.21B -0.7%	$2.23B +9.5%	$2.04B +8.4%	$1.88B +14.0%	$1.65B +0.3%	$1.64B
Total Debt	$0.00	$0.00 -100.0%	$15.0M	—	—	—
Operating Cash Flow	$14.8M +0.5%	$14.7M -53.4%	$31.6M -5.7%	$33.5M +15.2%	$29.1M +71.2%	$17.0M
Free Cash Flow	$10.6M -23.1%	$13.8M -55.6%	$31.1M -4.0%	$32.4M +18.7%	$27.3M +73.6%	$15.7M

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Available Research

13F Pro tracks comprehensive data for MainStreet Bancshares, Inc. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of MNSB

BANC FUNDS CO LLC
$13.5M545,679 sh
BlackRock, Inc.
$10.0M404,037 sh
ALLIANCEBERNSTEIN L.P.
$9.3M418,393 sh
WELLINGTON MANAGEMENT GROUP LLP
$8.3M336,961 sh
VANGUARD CAPITAL MANAGEMENT LLC
$6.5M262,466 sh
DIMENSIONAL FUND ADVISORS LP
$5.1M205,014 sh
ACADIAN ASSET MANAGEMENT LLC
$4.5M183,245 sh
FIRST MANHATTAN CO. LLC.
$4.0M161,731 sh
GEODE CAPITAL MANAGEMENT, LLC
$3.8M152,196 sh
MARSHALL WACE, LLP
$3.0M120,194 sh

Fund	Value	Shares
BANC FUNDS CO LLC	$13.5M	545,679
BlackRock, Inc.	$10.0M	404,037
ALLIANCEBERNSTEIN L.P.	$9.3M	418,393
WELLINGTON MANAGEMENT GROUP LLP	$8.3M	336,961
VANGUARD CAPITAL MANAGEMENT LLC	$6.5M	262,466
DIMENSIONAL FUND ADVISORS LP	$5.1M	205,014
ACADIAN ASSET MANAGEMENT LLC	$4.5M	183,245
FIRST MANHATTAN CO. LLC.	$4.0M	161,731
GEODE CAPITAL MANAGEMENT, LLC	$3.8M	152,196
MARSHALL WACE, LLP	$3.0M	120,194

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Similarity is computed from the 8 composite sub-scores and latest-quarter 13F conviction holdings (index-style filers excluded). Refreshed monthly.

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Is MNSB a good stock to buy?

13F Pro's AI-powered analysis of MainStreet Bancshares, Inc. (MNSB) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MNSB are available on the MNSB stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. MNSB is classified as a small company.

Which hedge funds own MNSB?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling MNSB. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of MainStreet Bancshares, Inc.'s investment landscape.