GNTX · Nasdaq · Consumer Cyclical
Gentex Corporation (GNTX) — Rank #226 by gross profitability (GP/assets 0.29) · ROE 15.4% · Piotroski F-Score N/A.
As-of 2026-10-30 · CIK 0000355811 · all metrics point-in-time as of the filing date.
About
Gentex Corporation designs, develops, manufactures, markets, and supplies digital vision, connected car, dimmable glass, fire protection technologies, audio products, medical devices, and consumer electronics.
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It operates through Automotive Products, Audio Products, and Other segments. The company offers automotive products, including interior and exterior electrochromic automatic-dimming rearview mirrors, automotive electronics, and non-automatic-dimming rearview mirrors for automotive passenger cars, light trucks, pick-up trucks, sport utility vehicles, and vans for original equipment manufacturers, automotive suppliers, and various aftermarket and accessory customers; and HomeLink modules for the automotive industry. It also provides variable dimmable windows to aircraft manufacturers and airline operators. In addition, the company offers photoelectric smoke detectors and alarms, visual signaling alarms, photoelectric smoke alarms, electrochemical carbon monoxide alarms and detectors, audible and visual signaling appliances, and bells and speakers used in fire detection systems in office buildings, hotels, and other commercial and residential buildings. It sells its fire protection products directly, as well as through sales managers and manufacturer representative organizations to fire protection and security product distributors, electrical wholesale houses, and original equipment manufacturers of fire protection systems. Further, the company is involved in the research and development of nanofiber chemical sensing products; and market and sale of eSight smart glasses to consumers with visual impairment or eye conditions, as well as of identity authentication and access control products that utilizes biometrics technology. It operates in the United States, China, Germany, Japan, Mexico, South Korea, and internationally.
Gentex Corporation was incorporated in 1974 and is headquartered in Zeeland, Michigan.
- Industry
- Auto Parts
- Sector
- Consumer Cyclical
- State
- MI
- Filer Category
- Large accelerated filer
- Fiscal Year End
- December 31
- Website
- gentex.com
Company Snapshot
P/E and reverse DCF are the primary valuation lenses at this stage.
Market Cap
—
P/E (annual)
—
P/S (annual)
—
P/B
—
P/OCF (annual)
—
Shareholder Yield
—
Employees
6,398
Industry
Auto Parts
Exchange
Nasdaq
10/12
Flags passed
GNTX fails 2 critical flags
Passes 10 of 12 quality flags
- FAILOperating margin declining
Operating margin lower than prior year
- FAILBalance sheet deteriorating
Net cash collapsed with receivables or inventory outpacing revenue
- PASSGross margin holding
- PASSDilution within 2%
- PASSFCF not negative from investment
- PASSDisclosure consistent
- PASSRevenue not declining
- PASSFree cash flow intact
- PASSPasses safety gate
- PASSNo competitive retreat
- PASSSBC not compressing margin
- PASSNo valuation convergence
Strengths Revenue growth accelerating · Sequential beat (rev + EPS)
A count of the 12 warning flags that could be evaluated. Unweighted: colour follows the worst flag.
Quality Profile
Profitability
1/1 passSafety
1/1 passCash Flow
3/3 passGrowth
2/2 passFCF yield, shareholder yield, and buyback activity are the primary reads at this stage.
Profitability
Does it make money well?
Warning: Operating margin declining · GP/assets 0.29
Gross profitability (GP / assets)
0.29
Primary signal (Novy-Marx).
2nd of 11 SIC 3714 peers
Return on equity
15.4%
Gross margin
34.2%
2nd of 11 SIC 3714 peers
Revenue growth (YoY)
9.6%
Gross margin improving
Margin trend vs prior year.
Operating Leverage
| 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|
| Revenue vs COGS | ||||
| Revenue vs OpEx | ||||
| Op. Income vs Revenue |
Growth
Revenue CAGR (3Y)
9.7%
Revenue CAGR (5Y)
8.5%
Earnings CAGR (3Y)
6.5%
FCF CAGR (3Y)
33.7%
Cash Flow Health
Is the cash real?
No warning flags · FCF 19% above net income
Free cash flow
$458.04M
Operating cash flow minus capex.
Positive free cash flow
FCF vs net income
19.0%
(FCF − net income) ÷ |net income|. Positive: cash above earnings. Negative: below.
FCF not below net income
Fails when free cash flow is below net income (yellow flag).
Accruals healthy
Cash-backed earnings.
SBC / revenue
1.4%
Stock-based comp intensity.
Balance Sheet Strength
Can it survive a storm?
Warning: Balance sheet deteriorating · net cash $477.59M
Balance-sheet safety
Composite anti-fragile check.
Debt / equity
0.18
1st of 10 SIC 3714 peers (best = lowest)
Current ratio
3.04×
2nd of 11 SIC 3714 peers
Quick ratio
1.55×
Net cash
$477.59M
Cash & equivalents minus total debt.
Piotroski F-Score
N/A
Only 8/9 components determinable.
Valuation
Is the price reasonable?
No warning flags
Dividend safety
Composite score
3.0 / 5
Capital allocation quality
Composite score
1.7 / 5
Lifecycle Phase History
Price History
Source filings on SEC EDGAR: 10-K annual reports · 10-Q quarterly reports