The short version

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

  • Boston Scientific is the larger company, worth $63.1B, about 1.6 times DexCom.
  • DexCom grew revenue faster over the last year (+13.1% vs +7.5%).
  • DexCom keeps more of each dollar of revenue as operating profit (22.9% vs 19.8%).
  • On earnings, Boston Scientific is the cheaper stock (17.8x vs 41.2x).
  • DexCom's price assumes faster free cash flow growth: about 13% a year, against 3% for Boston Scientific (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.

MeasureBSXDXCM
Market cap$63.1B$39.6B
Share price$42.73$84.11
Revenue (last fiscal year)$20.1B$4.7B
Free cash flow (last fiscal year)$3.7B$1.1B
Revenue growth, last year+7.5%+13.1%
Revenue growth per year, last 5 fiscal years+14.0%+17.5%
Operating margin19.8%22.9%
Net margin17.5%20.1%
Return on equity14.7%38.1%
P/E (trailing)17.8x41.2x
Price / free cash flow17.2x36.7x
EV / EBITDA13.2x23.6x
FCF growth the price implies3.1%13.0%
Dividend yield——
Debt / equity0.80x1.46x
Fundamental gradeBB
Superinvestors holding it105
Insider purchases, last 12 months1010

Results from SEC filings

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

Boston Scientific

YearRevenueFree cash flowOp. margin
2021$11.9B$1.3B10.1%
2022$12.7B$938M13.0%
2023$14.2B$1.8B16.5%
2024$16.7B$2.6B15.5%
2025$20.1B$3.7B18.0%

DexCom

YearRevenueFree cash flowOp. margin
2021$2.4B$53M10.9%
2022$2.9B$305M13.4%
2023$3.6B$512M16.5%
2024$4.0B$631M14.9%
2025$4.7B$1.1B19.6%

Where the revenue comes from

Boston Scientific · by segments, 2025

Cardiovascular$13.2B66%
MedSurg$6.8B34%

DexCom · by regions, 2025

United States$3.3B72%
International$1.3B28%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open BSX in Investingly

Questions

Which is bigger, Boston Scientific or DexCom?

Boston Scientific (BSX), at $63.1B against $39.6B.

Is BSX or DXCM cheaper?

By trailing P/E, Boston Scientific (17.8x) is cheaper than DexCom (41.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, BSX or DXCM?

DexCom: revenue grew +13.1% over the last year, against +7.5%.

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