GLWCorning Inc.

$153.55

Is the business good?

How good a business is GLW?

Corning Inc. earns 10% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

10%

Return on invested capital · cost of capital 9.0% · 1.3 points above what the capital costs: growth creates value

Operating margin
15%

Operating margin · Electronic Components median 9.6% · 12 months to Q1 2026

Cash conversion
0.83×

Cash conversion · 2.36× a year ago · some of the reported profit has not turned into cash yet

Share count, year on year
+0.58%

Share count, year on year · flat: no meaningful dilution

Operating margin by fiscal year
YearOperating margin
FY20204.5%
FY202115%
FY202210%
FY20237.1%
FY20248.6%
FY202515%
Details
Gross margin12 months to Q1 2026
36%
Operating margin12 months to Q1 2026
15%
Net margin12 months to Q1 2026
11%
Free cash flow margin
9.2%
Revenue, trailing twelve months
$16.3B
Free cash flow, trailing twelve months
$1.50B
Net income, trailing twelve months
$1.81B
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
10%

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