The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Corning is the larger company, worth $114.8B, about 2.7 times Flex.
  • Flex grew revenue faster over the last year (+20.6% vs +16.6%).
  • Corning keeps more of each dollar of revenue as operating profit (15.3% vs 5.0%).
  • On earnings, Flex is the cheaper stock (49.3x vs 64.4x).
  • Corning's price assumes faster free cash flow growth: about 24% a year, against 14% for Flex (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureFLEXGLW
Market cap$42.2B$114.8B
Share price$119.83$156.68
Revenue (last fiscal year)$27.9B$15.6B
Free cash flow (last fiscal year)$1.1B$1.4B
Revenue growth, last year+20.6%+16.6%
Revenue growth per year, last 5 fiscal years+3.2%+2.6%
Operating margin5.0%15.3%
Net margin3.3%11.2%
Return on equity17.7%15.1%
P/E (trailing)49.3x64.4x
Price / free cash flow40.1x81.3x
EV / EBITDA28.2x31.6x
FCF growth the price implies14.1%23.5%
Dividend yield—0.83%
Debt / equity3.58x1.58x
Fundamental gradeDC
Superinvestors holding it119
Insider purchases, last 12 months08

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Flex

YearRevenueFree cash flowOp. margin
2022$24.6B$581M3.6%
2023$28.5B$315M3.6%
2024$26.4B$796M3.2%
2025$25.8B$1.1B4.5%
2026$27.9B$1.1B4.9%

Corning

YearRevenueFree cash flowOp. margin
2021$14.1B$1.8B15.0%
2022$14.2B$1.0B10.1%
2023$12.6B$615M7.1%
2024$13.1B$974M8.7%
2025$15.6B$1.4B14.6%

Where the revenue comes from

Flex · by segments, 2026

ITS$11.1B52%
RMS$10.2B48%

Corning · by products, 2025

Optical Communications$6.3B40%
Display products$3.0B19%
Specialty material products$2.2B14%
Automotive products$1.8B11%
Life science products$959M6%
Polycrystalline silicon products$955M6%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open FLEX in Investingly

Questions

Which is bigger, Flex or Corning?

Corning (GLW), at $114.8B against $42.2B.

Is FLEX or GLW cheaper?

By trailing P/E, Flex (49.3x) is cheaper than Corning (64.4x). A lower multiple can also mean the market expects less growth.

Which grows faster, FLEX or GLW?

Flex: revenue grew +20.6% over the last year, against +16.6%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.