Castle Biosciences, Inc. (CSTL) vs Harrow Health, Inc. (HROW)
A side-by-side comparison of Castle Biosciences, Inc. and Harrow Health, 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.
CSTL
Castle Biosciences, Inc.
$34.14HealthcareDelayed quote: Oct 6, 2026, 10:40 AM EDT
HROW
Harrow Health, Inc.
$29.89HealthcareDelayed quote: Oct 6, 2026, 10:40 AM EDT
Total return — CSTL vs HROW
growth of $100 · dividends reinvested · last 7yCSTL +71.3% (+8.0%/yr)HROW +297.1% (+21.8%/yr)HROW compounded faster over this window
CSTL HROW
CSTL vs HROW: by the numbers
- •HROW is the larger company ($1.11B vs $1.04B market cap).
- •Both run net losses; CSTL's is the smaller (-5.43% vs -13.51% net margin).
- •CSTL grew revenue faster over the past five years (35.55% vs 34.52% CAGR).
Metrics side by side
Valuation
| Metric | CSTL | HROW |
|---|---|---|
| P/S ratio | 2.92 | 4.04 |
| P/B ratio | 2.22 | 73.30 |
| FCF yield | N/A | 0.48% |
Profitability
| Metric | CSTL | HROW |
|---|---|---|
| Gross margin | 77.26% | 73.28% |
| Operating margin | -8.99% | 14.18% |
| Net margin | -5.43% | -13.51% |
| ROE | -4.13% | -244.91% |
| ROIC | -6.33% | 1.81% |
Growth (annualized)
| Metric | CSTL | HROW |
|---|---|---|
| Revenue CAGR (5Y) | 35.55% | 34.52% |
| Total return CAGR (5Y) | -10.28% | 27.66% |
Frequently asked
- Which has grown faster, CSTL or HROW?
- Over the past five years, CSTL grew revenue faster — CSTL at a 35.55% CAGR versus HROW at 34.52%.
- How have CSTL and HROW total returns compared?
- Over the past 5 years, CSTL delivered -10.28% and HROW delivered 27.66% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Castle Biosciences ROEHarrow Health ROECastle Biosciences operating marginHarrow Health operating marginCastle Biosciences revenue growthHarrow Health revenue growthCastle Biosciences free cash flowHarrow Health free cash flow
Castle Biosciences & Harrow Health 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.