Ardelyx, Inc. (ARDX) vs QuidelOrtho Corporation (QDEL)

A side-by-side comparison of Ardelyx, Inc. and QuidelOrtho Corporation 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 — ARDX vs QDEL

growth of $100 · dividends reinvested · last 10y
ARDX -1.5% (-0.1%/yr)QDEL -43.9% (-5.6%/yr)ARDX compounded faster over this window
05001kStart $10020182020202220242026$99$56
ARDX QDEL

ARDX vs QDEL: by the numbers

  • •QDEL is the larger company ($846M vs $809M market cap).
  • •Both run net losses; ARDX's is the smaller (-12.35% vs -39.20% net margin).
  • •ARDX grew revenue faster over the past five years (105.14% vs 7.14% CAGR).

Metrics side by side

Valuation

MetricARDXQDEL
Forward P/EN/A16.05
P/S ratio1.790.32
P/B ratio5.430.48

Profitability

MetricARDXQDEL
Gross margin93.96%44.60%
Operating margin-7.86%-30.67%
Net margin-12.35%-39.20%
ROE-37.38%-59.07%
ROIC-7.99%-16.05%

Growth (annualized)

MetricARDXQDEL
Revenue CAGR (5Y)105.14%7.14%
Total return CAGR (5Y)20.95%-38.12%

Frequently asked

Which has grown faster, ARDX or QDEL?
Over the past five years, ARDX grew revenue faster — ARDX at a 105.14% CAGR versus QDEL at 7.14%.
How have ARDX and QDEL total returns compared?
Over the past 10 years, ARDX delivered -0.20% and QDEL delivered -5.68% annualized total return. 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 October 6, 2026.