The short version

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

  • Thermo Fisher Scientific is the larger company, worth $245.5B, about 1.6 times Danaher.
  • Thermo Fisher Scientific grew revenue faster over the last year (+10.5% vs +5.5%).
  • Danaher keeps more of each dollar of revenue as operating profit (20.4% vs 17.6%).
  • On earnings, Thermo Fisher Scientific is the cheaper stock (36.3x vs 41.6x).
  • Thermo Fisher Scientific's price assumes faster free cash flow growth: about 14% a year, against 10% for Danaher (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.

MeasureDHRTMO
Market cap$151.8B$245.5B
Share price$219.81$658.02
Revenue (last fiscal year)$24.6B$44.6B
Free cash flow (last fiscal year)$5.3B$6.3B
Revenue growth, last year+5.5%+10.5%
Revenue growth per year, last 5 fiscal years-0.2%+3.2%
Operating margin20.4%17.6%
Net margin15.9%15.0%
Return on equity7.6%13.2%
P/E (trailing)41.6x36.3x
Price / free cash flow28.9x39.0x
EV / EBITDA23.9x23.7x
FCF growth the price implies9.8%13.7%
Dividend yield0.63%0.27%
Debt / equity0.76x1.15x
Fundamental gradeCC
Superinvestors holding it016
Insider purchases, last 12 months48

Results from SEC filings

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

Danaher

YearRevenueFree cash flowOp. margin
2021$24.8B$7.1B25.7%
2022$26.6B$7.4B28.3%
2023$23.9B$5.8B21.8%
2024$23.9B$5.3B20.4%
2025$24.6B$5.3B19.1%

Thermo Fisher Scientific

YearRevenueFree cash flowOp. margin
2021$39.2B$6.8B25.6%
2022$44.9B$6.9B18.7%
2023$42.9B$6.9B16.0%
2024$42.9B$7.3B17.1%
2025$44.6B$6.3B17.4%

Where the revenue comes from

Danaher · by segments, 2025

Diagnostics$9.9B40%
Life Sciences$7.3B30%
Biotechnology$7.3B30%

Thermo Fisher Scientific · by segments, 2025

Laboratory Products and Biopharma Services$23.8B53%
Life Sciences Solutions$8.8B20%
Analytical Instruments$7.4B17%
Specialty Diagnostics$4.6B10%
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, Danaher or Thermo Fisher Scientific?

Thermo Fisher Scientific (TMO), at $245.5B against $151.8B.

Is DHR or TMO cheaper?

By trailing P/E, Thermo Fisher Scientific (36.3x) is cheaper than Danaher (41.6x). A lower multiple can also mean the market expects less growth.

Which grows faster, DHR or TMO?

Thermo Fisher Scientific: revenue grew +10.5% over the last year, against +5.5%.

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