Alnylam Pharmaceuticals, Inc. (ALNY) vs DexCom, Inc. (DXCM)

DXCM leads on 10 of 14 compared metrics.

A side-by-side comparison of Alnylam Pharmaceuticals, Inc. and DexCom, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 15, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Compare

Total returnALNY vs DXCM

growth of $100 · dividends reinvested · last 21y
ALNY +3321.7%DXCM +2421.1%ALNY compounded faster
02k4k6kStart $10020092013201720212025$3,422$2,521
ALNY DXCM

ALNY vs DXCM: by the numbers

  • ALNY is the larger company ($37.46B vs $28.84B market cap).
  • DXCM trades at the lower earnings multiple (31.68 vs 66.81 P/E).
  • DXCM converts more revenue to profit (19.31% vs 13.46% net margin).
  • ALNY grew revenue faster over the past five years (49.67% vs 18.91% CAGR).

Which is better, ALNY or DXCM?

Metric tally: ALNY 4 · DXCM 10

It depends on what you're optimizing for:

ValueDXCM(lower P/E)
GrowthALNY(faster 5Y revenue CAGR)
QualityDXCM(higher ROIC)

Metrics side by side

Valuation

MetricALNYDXCM
P/E ratio66.8131.68
Forward P/E37.9128.58
P/S ratio9.076.06
P/B ratio36.159.87
PEG ratio0.67
EV / EBITDA47.6422.78
FCF yield1.65%4.90%

Profitability

MetricALNYDXCM
Gross margin80.89%61.84%
Operating margin17.54%21.45%
Net margin13.46%19.31%
ROE53.68%31.47%
ROIC13.74%16.61%

Growth (annualized)

MetricALNYDXCM
Revenue CAGR (5Y)49.67%18.91%
EPS CAGR (5Y)10.31%
FCF CAGR (5Y)14.35%43.37%
Total return CAGR (5Y)10.55%-7.61%

Frequently asked

Which is better, ALNY or DXCM?
It depends on your goal. value: DXCM (lower P/E); growth: ALNY (faster 5Y revenue CAGR); quality: DXCM (higher ROIC). Across all compared metrics, DXCM leads 10 to 4.
Is ALNY or DXCM cheaper?
On trailing earnings, DXCM is cheaper: ALNY trades at a 66.81 P/E and DXCM at 31.68.
Which has grown faster, ALNY or DXCM?
Over the past five years, ALNY grew revenue faster — ALNY at a 49.67% CAGR versus DXCM at 18.91%.
Is ALNY or DXCM more profitable?
DXCM runs the higher net margin — ALNY at 13.46% versus DXCM at 19.31%.
Which has been the better investment, ALNY or DXCM?
Over the past 10-year, ALNY delivered the higher annualized total return — ALNY at 16.14% versus DXCM at 14.27%. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 15, 2026.