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Gentex Corporation

GNTX

Consumer Cyclical · Auto - Parts · NASDAQ

$21.00

P/E 12.4×

Is Gentex Corporation (GNTX) Undervalued? Valuation & Fair Price

At $21.00, the frameworks are split on Gentex Corporation today — Benjamin Graham rates it Buy, Warren Buffett and Phil Town (Rule #1) rate it Avoid, and Peter Lynch rates it Hold. Each model calculates its own fair value and margin of safety; create a free account to see the exact buy price behind every verdict.

Valuo fair-value verdict

Gentex Corporation looks 29% overvalued

GNTX trades at $21.00 versus a blended fair value of $14.82 across 4 investor frameworks. That's a 29% premium over our estimate — the exact buy-below price from each framework is below.

The four investor lenses

See how each legend judges GNTX

Pick a lens — the fair-value rail and its checklist update. The exact prices unlock with a free account.

Buffett: Wonderful businesses at a fair price — moat, high returns on capital, owner earnings.

The Value RailFairly valued
1 of 1 fair values are above today's price of $21.
← Lower priceHigher price →
Buffett

Where Buffett marks fair value — the exact price is in the full analysis.

Buffett's checklist

Return on Equity

ROE Consistency

ROE Quality (Low Leverage)

Debt Levels

The full checklist, the exact fair value, and all four lenses side by side

Unlock free →

The six questions · GNTX

signal free · score locked

  • Is it cheap enough?Weak

    A great business at the wrong price is still a bad buy.

    Price score — free account

    P/E · PEG

  • Is this a good business?Strong

    Returns on capital, margins, and the cash they throw off.

    Quality score — free account

    ROIC · margins

  • Can it survive a bad year?Strong

    Debt, liquidity, and balance-sheet resilience.

    Safety score — free account

    Debt · liquidity

  • Are the numbers honest?Strong

    Whether reported profit is backed by real cash.

    Integrity score — free account

    Cash-backed profit

  • Is it getting better?Mixed

    Revenue, earnings, and cash-flow trajectory.

    Growth score — free account

    Revenue · earnings

  • Who runs it — and are they buying?Strong

    Capital allocation, dilution, and insider conviction.

    Stewardship score — free account

    Dilution · insiders

Strong on Quality, Safety, Integrity, Stewardship; weak on Price.

Inside · Price

Price is what you pay for the cash a business earns. Roughly under ~15× earnings is cheap; over ~30× the market is already pricing in strong growth, so you need that growth to show up.

The exact number, the reference bands, and each legend's take unlock free.

See the numbers — free account

Insider & congress activity

Are insiders buying GNTX?

Over recent SEC Form 4 filings, GNTX insiders bought $0 and sold $3.6M of stock across 17 open-market trades. Insiders sell for many reasons, but they buy for one.

Bought $0Sold $3.6M
Recent open-market insider trades for GNTX
InsiderActionSharesValueDate
WALKER BRIAN CdirectorSell5,939$136KMay 15, 2026
ANDERSON JOSEPH B JRdirectorSell5,939$136KMay 15, 2026
BROWN LESLIE LdirectorSell10,782$246KMay 5, 2026
Schaum Richard OdirectorSell4,815$112KApr 30, 2026
Boehm NeilChief Technology OfficerSell8,916$221KFeb 17, 2026

Members of Congress have also reported 7 trades in GNTX. See the full insider & congress timeline.

Source: SEC Form 4 filings. Open-market buys & sells only. Not investment advice.

See the interactive insider chart & every trade

Bear · base · bull

Three ways GNTX could play out

A fair-value target for each scenario, with the assumptions behind it.

Bear case

Bear case price target — free account

Growth disappoints and the multiple compresses — the downside if things go wrong.

Base case

Base case price target — free account

The most likely path given current fundamentals — the scenario to anchor on.

Bull case

Bull case price target — free account

Execution beats expectations and growth holds — the upside if things go right.

See all three price targets — free account

Company financials

5-Year Financials

Income statement highlights — annual, USD

Metric20252024202320222021
Revenue$2.5B
$2.3B
$2.3B
$1.9B
$1.7B
Rev. Growth+9.6%+0.6%+19.8%+10.8%—
Net Income$385M$404M$428M$319M$361M
Net Margin15.2%17.5%18.6%16.6%20.8%
EPS (Diluted)$1.74$1.77$1.84$1.36$1.51

About Gentex Corporation

CEO

Steven R. Downing

Sector

Consumer Cyclical

Industry

Auto - Parts

Gentex Corporation, established in 1974 and headquartered in Zeeland, Michigan, is a global innovator specializing in the design, development, production, marketing, and distribution of advanced technology solutions. Its diverse product portfolio encompasses digital vision systems, connected car technologies, dimmable glass, and fire safety equipment, serving markets across the United States, Germany, Japan, Mexico, and other international regions. The company operates primarily through two segments: Automotive Products and Other. Within its Automotive Products division, Gentex offers a comprehensive range of components, including sophisticated electrochromic automatic-dimming rearview mirrors (for both interior and exterior applications), various automotive electronics, and standard rearview mirrors. These are supplied to original equipment manufacturers (OEMs), automotive suppliers, and aftermarket customers for integration into passenger cars, light trucks, pick-up trucks, sport utility vehicles, and vans. Beyond the automotive industry, Gentex also provides variable dimmable windows for the aerospace sector, specifically for use by aircraft manufacturers and airline operators. Furthermore, the company is a significant provider of fire protection solutions. Its offerings include photoelectric smoke detectors and alarms, electrochemical carbon monoxide alarms and detectors, and an array of audible and visual signaling devices such as bells and speakers. These products are crucial components for fire detection systems installed in a variety of settings, including office buildings, hotels, and other commercial and residential structures. Gentex also actively researches and develops nanofiber chemical sensing products. Fire protection products are sold directly, as well as through sales managers and manufacturer representatives, reaching fire protection and security product distributors, electrical wholesale houses, and OEMs of fire protection systems.

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  • The verdict + the six-question shape
  • Today's price vs. four fair-value marks
  • Insider & congress activity
  • 5-year financials

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Data as of Oct 22, 2026. Sourced from SEC filings & Financial Modeling Prep.

Educational Use Only · Not Financial Advice

Analysis, scores, valuations, and buy zones are derived from publicly documented investor frameworks (Buffett, Lynch, Benjamin Graham, Phil Town) for learning purposes only. They are not recommendations from licensed financial advisors. Past performance does not guarantee future results. Prices may be delayed up to 15 minutes. Always conduct your own research before making any investment decisions.