The short version

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

  • ResMed is the larger company, worth $34.4B, about 1.3 times West Pharmaceutical Services.
  • West Pharmaceutical Services grew revenue faster over the last year (+13.8% vs +8.6%).
  • ResMed keeps more of each dollar of revenue as operating profit (33.4% vs 20.4%).
  • On earnings, ResMed is the cheaper stock (22.8x vs 49.2x).
  • West Pharmaceutical Services's price assumes faster free cash flow growth: about 18% a year, against 6% for ResMed (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.

MeasureRMDWST
Market cap$34.4B$26.0B
Share price$230.05$366.00
Revenue (last fiscal year)$5.7B$3.1B
Free cash flow (last fiscal year)$1.6B$469M
Revenue growth, last year+8.6%+13.8%
Revenue growth per year, last 5 fiscal years+12.1%+2.1%
Operating margin33.4%20.4%
Net margin26.9%17.0%
Return on equity23.1%18.9%
P/E (trailing)22.8x49.2x
Price / free cash flow20.7x55.4x
EV / EBITDA15.7x31.1x
FCF growth the price implies5.5%18.4%
Dividend yield1.00%0.23%
Debt / equity0.36x0.36x
Fundamental gradeBC
Superinvestors holding it33
Insider purchases, last 12 months22

Results from SEC filings

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

ResMed

YearRevenueFree cash flowOp. margin
2022$3.6B$216M28.0%
2023$4.2B$574M26.8%
2024$4.7B$1.3B28.2%
2025$5.1B$1.7B32.7%
2026$5.7B$1.6B33.4%

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

ResMed · by segments, 2026

Sleep and Breathing Health$5.0B88%
Residential Care Software$676M12%

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.
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Questions

Which is bigger, ResMed or West Pharmaceutical Services?

ResMed (RMD), at $34.4B against $26.0B.

Is RMD or WST cheaper?

By trailing P/E, ResMed (22.8x) is cheaper than West Pharmaceutical Services (49.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, RMD or WST?

West Pharmaceutical Services: revenue grew +13.8% over the last year, against +8.6%.

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