Ardelyx, Inc. (ARDX) vs Pacific Biosciences of California, Inc. (PACB)
A side-by-side comparison of Ardelyx, Inc. and Pacific Biosciences of California, 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.
ARDX
Ardelyx, Inc.
$3.28HealthcareDelayed quote: Oct 6, 2026, 3:35 PM EDT
PACB
Pacific Biosciences of California, Inc.
$2.71HealthcareDelayed quote: Oct 6, 2026, 3:35 PM EDT
Total return — ARDX vs PACB
growth of $100 · dividends reinvested · last 10yARDX +4.6% (+0.5%/yr)PACB -68.1% (-10.8%/yr)ARDX compounded faster over this window
ARDX PACB
ARDX vs PACB: by the numbers
- •PACB is the larger company ($840M vs $810M market cap).
- •Both run net losses; ARDX's is the smaller (-12.35% vs -82.49% net margin).
- •ARDX grew revenue faster over the past five years (105.14% vs 8.52% CAGR).
Metrics side by side
Valuation
| Metric | ARDX | PACB |
|---|---|---|
| P/S ratio | 1.80 | 5.28 |
| P/B ratio | 5.44 | N/A |
Profitability
| Metric | ARDX | PACB |
|---|---|---|
| Gross margin | 93.96% | 35.97% |
| Operating margin | -7.86% | -348.46% |
| Net margin | -12.35% | -82.49% |
| ROE | -37.38% | N/A |
| ROIC | -7.99% | -23.80% |
Growth (annualized)
| Metric | ARDX | PACB |
|---|---|---|
| Revenue CAGR (5Y) | 105.14% | 8.52% |
| Total return CAGR (5Y) | 20.95% | -35.20% |
Frequently asked
- Which has grown faster, ARDX or PACB?
- Over the past five years, ARDX grew revenue faster — ARDX at a 105.14% CAGR versus PACB at 8.52%.
- How have ARDX and PACB total returns compared?
- Over the past 10 years, ARDX delivered -0.20% and PACB delivered -10.80% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Ardelyx ROEPacific Biosciences of California ROEArdelyx operating marginPacific Biosciences of California operating marginArdelyx revenue growthPacific Biosciences of California revenue growthArdelyx free cash flowPacific Biosciences of California free cash flow
Ardelyx & Pacific Biosciences of California 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.