Amylyx Pharmaceuticals, Inc. (AMLX) vs iRhythm Technologies, Inc. (IRTC)

A side-by-side comparison of Amylyx Pharmaceuticals, Inc. and iRhythm Technologies, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — AMLX vs IRTC

growth of $100 · dividends reinvested · last 5y
AMLX +53.7% (+9.0%/yr)IRTC +2.9% (+0.6%/yr)AMLX compounded faster over this window
050100150200Start $1002023202420252026$154$103
AMLX IRTC

AMLX vs IRTC: by the numbers

  • •IRTC is the larger company ($3.52B vs $3.09B market cap).
  • •Both run net losses; AMLX's is the smaller (0.00% vs -1.69% net margin).

Metrics side by side

Valuation

MetricAMLXIRTC
P/S ratioN/A4.27
P/B ratio12.9218.94
EV / EBITDAN/A286.34
FCF yieldN/A1.11%

Profitability

MetricAMLXIRTC
Gross margin0.00%71.45%
Operating margin0.00%-1.17%
Net margin0.00%-1.69%
ROE-63.59%-7.50%
ROIC-66.60%-1.07%

Growth (annualized)

MetricAMLXIRTC
Revenue CAGR (5Y)N/A21.93%
Total return CAGR (5Y)N/A12.95%

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 October 6, 2026.