GNTXGentex Corporation

$23.87

Is the business good?

How good a business is GNTX?

Gentex Corporation earns 16% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

16%

Return on invested capital · cost of capital 9.0% · 7.4 points above what the capital costs: growth creates value

Operating margin
18%

Operating margin · Auto Parts median 8.5% · 12 months to Q1 2026

Cash conversion
1.20×

Cash conversion · 0.94× a year ago · every dollar of reported profit arrived as cash, and more

Share count, year on year
−5.4%

Share count, year on year · bought back, each share owns more of the company

Operating margin by fiscal year
YearOperating margin
FY202024%
FY202124%
FY202219%
FY202322%
FY202420%
FY202519%
Details
Gross margin12 months to Q1 2026
34%
Operating margin12 months to Q1 2026
18%
Net margin12 months to Q1 2026
15%
Free cash flow margin
18%
R&D as % of revenue
7.9%
Revenue, trailing twelve months
$2.63B
Free cash flow, trailing twelve months
$466M
Net income, trailing twelve months
$388M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
16%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.