The short version

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

  • Amgen is the larger company, worth $217.3B, about 1.4 times Pfizer.
  • Amgen grew revenue faster over the last year (+9.5% vs +2.6%).
  • On earnings, Pfizer is the cheaper stock (21.3x vs 28.0x).
  • Amgen's price assumes faster free cash flow growth: about 9% a year, against 3% for Pfizer (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.

MeasureAMGNPFE
Market cap$217.3B$159.3B
Share price$414.87$28.28
Revenue (last fiscal year)$36.8B$62.6B
Free cash flow (last fiscal year)$8.1B$9.1B
Revenue growth, last year+9.5%+2.6%
Revenue growth per year, last 5 fiscal years+9.1%-4.0%
Operating margin30.0%—
Net margin22.9%6.8%
Return on equity74.8%5.1%
P/E (trailing)28.0x21.3x
Price / free cash flow26.8x17.5x
EV / EBITDA13.5x15.4x
FCF growth the price implies8.8%3.3%
Dividend yield2.3%6.2%
Debt / equity7.18x1.36x
Fundamental gradeBC
Superinvestors holding it1014
Insider purchases, last 12 months84

Results from SEC filings

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

Amgen

YearRevenueFree cash flowOp. margin
2021$26.0B$8.4B29.4%
2022$26.3B$8.8B36.3%
2023$28.2B$7.4B28.0%
2024$33.4B$10.4B21.7%
2025$36.8B$8.1B24.7%

Pfizer

YearRevenueFree cash flowOp. margin
2021$73.6B$29.9B—
2022$91.8B$26.0B—
2023$50.9B$4.8B—
2024$63.6B$9.8B—
2025$62.6B$9.1B—

Where the revenue comes from

Amgen · by products, 2025

Product sales$35.1B96%
Other revenues$1.6B4%

Pfizer · by segments, 2023

Biopharma$57.2B98%
Business Innovation Segment$1.3B2%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AMGN in Investingly

Questions

Which is bigger, Amgen or Pfizer?

Amgen (AMGN), at $217.3B against $159.3B.

Is AMGN or PFE cheaper?

By trailing P/E, Pfizer (21.3x) is cheaper than Amgen (28.0x). A lower multiple can also mean the market expects less growth.

Which grows faster, AMGN or PFE?

Amgen: revenue grew +9.5% over the last year, against +2.6%.

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