IDEAYA Biosciences, Inc. (IDYA) vs iRhythm Technologies, Inc. (IRTC)
A side-by-side comparison of IDEAYA Biosciences, 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.
IDYA
IDEAYA Biosciences, Inc.
$36.67HealthcareDelayed quote: Oct 6, 2026, 10:25 AM EDT
IRTC
iRhythm Technologies, Inc.
$108.11HealthcareDelayed quote: Oct 6, 2026, 10:25 AM EDT
Total return — IDYA vs IRTC
growth of $100 · dividends reinvested · last 7yIDYA +240.1% (+19.1%/yr)IRTC +55.9% (+6.5%/yr)IDYA compounded faster over this window
IDYA IRTC
IDYA vs IRTC: by the numbers
- •IRTC is the larger company ($3.55B vs $3.49B market cap).
- •Both run net losses; IRTC's is the smaller (-1.69% vs -74.75% net margin).
- •IDYA grew revenue faster over the past five years (45.80% vs 21.93% CAGR).
Metrics side by side
Valuation
| Metric | IDYA | IRTC |
|---|---|---|
| P/S ratio | 14.89 | 4.30 |
| P/B ratio | 2.91 | 19.10 |
| EV / EBITDA | N/A | 288.49 |
| FCF yield | N/A | 1.10% |
Profitability
| Metric | IDYA | IRTC |
|---|---|---|
| Gross margin | -43.89% | 71.45% |
| Operating margin | -72.84% | -1.17% |
| Net margin | -74.75% | -1.69% |
| ROE | -14.60% | -7.50% |
| ROIC | -17.68% | -1.07% |
Growth (annualized)
| Metric | IDYA | IRTC |
|---|---|---|
| Revenue CAGR (5Y) | 45.80% | 21.93% |
| Total return CAGR (5Y) | 7.32% | 12.95% |
Frequently asked
- Which has grown faster, IDYA or IRTC?
- Over the past five years, IDYA grew revenue faster — IDYA at a 45.80% CAGR versus IRTC at 21.93%.
- How have IDYA and IRTC total returns compared?
- Over the past 5 years, IDYA delivered 7.32% and IRTC delivered 12.95% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
IDEAYA Biosciences ROEiRhythm Technologies ROEIDEAYA Biosciences operating marginiRhythm Technologies operating marginIDEAYA Biosciences revenue growthiRhythm Technologies revenue growthIDEAYA Biosciences free cash flowiRhythm Technologies free cash flow
IDEAYA Biosciences & iRhythm Technologies appear in these rankings
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.