The short version

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

  • Alcon AG is the larger company, worth $31.4B, about 1.2 times West Pharmaceutical Services.
  • West Pharmaceutical Services grew revenue faster over the last year (+13.8% vs +4.9%).
  • West Pharmaceutical Services keeps more of each dollar of revenue as operating profit (20.4% vs 13.1%).
  • On earnings, Alcon AG is the cheaper stock (32.4x vs 49.2x).
  • West Pharmaceutical Services's price assumes faster free cash flow growth: about 18% a year, against 5% for Alcon AG (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.

MeasureALCWST
Market cap$31.4B$26.0B
Share price$64.11$366.00
Revenue (last fiscal year)$10.4B$3.1B
Free cash flow (last fiscal year)$1.6B$469M
Revenue growth, last year+4.9%+13.8%
Revenue growth per year, last 5 fiscal years+5.8%+2.1%
Operating margin13.1%20.4%
Net margin9.4%17.0%
Return on equity4.4%18.9%
P/E (trailing)32.4x49.2x
Price / free cash flow18.1x55.4x
EV / EBITDA13.5x31.1x
FCF growth the price implies4.7%18.4%
Dividend yield0.55%0.23%
Debt / equity0.42x0.36x
Fundamental gradeCC
Superinvestors holding it53
Insider purchases, last 12 months02

Results from SEC filings

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

Alcon AG

YearRevenueFree cash flowOp. margin
2021$8.3B$165M7.0%
2022$8.7B$472M7.7%
2023$9.5B$537M11.0%
2024$9.9B$1.4B14.3%
2025$10.4B$1.6B13.1%

West Pharmaceutical Services

YearRevenueFree cash flowOp. margin
2021$2.8B$331M26.6%
2022$2.9B$439M25.4%
2023$2.9B$414M22.9%
2024$2.9B$276M19.7%
2025$3.1B$469M19.0%

Where the revenue comes from

Alcon AG · by segments, 2025

Surgical$5.8B56%
Vision Care$4.6B44%

West Pharmaceutical Services · by segments, 2025

Proprietary Products$2.5B81%
Contract-Manufactured Products$582M19%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ALC in Investingly

Questions

Which is bigger, Alcon AG or West Pharmaceutical Services?

Alcon AG (ALC), at $31.4B against $26.0B.

Is ALC or WST cheaper?

By trailing P/E, Alcon AG (32.4x) is cheaper than West Pharmaceutical Services (49.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, ALC or WST?

West Pharmaceutical Services: revenue grew +13.8% over the last year, against +4.9%.

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