Avalyn Pharma Inc. Common Stock (AVLN) vs Castle Biosciences, Inc. (CSTL)
A side-by-side comparison of Avalyn Pharma Inc. Common Stock and Castle Biosciences, 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.
AVLN
Avalyn Pharma Inc. Common Stock
$25.94HealthcareDelayed quote: Oct 6, 2026, 12:00 PM EDT
CSTL
Castle Biosciences, Inc.
$34.19HealthcareDelayed quote: Oct 6, 2026, 12:00 PM EDT
Total return — AVLN vs CSTL
growth of $100 · dividends reinvested · last 1yAVLN -8.3% (-8.3%/yr)CSTL +49.7% (+49.7%/yr)CSTL compounded faster over this window
AVLN CSTL
AVLN vs CSTL: by the numbers
- •AVLN is the larger company ($1.15B vs $1.04B market cap).
- •Both run net losses; AVLN's is the smaller (0.00% vs -5.43% net margin).
Metrics side by side
Valuation
| Metric | AVLN | CSTL |
|---|---|---|
| P/S ratio | N/A | 2.92 |
| P/B ratio | 2.89 | 2.22 |
Profitability
| Metric | AVLN | CSTL |
|---|---|---|
| Gross margin | 0.00% | 77.26% |
| Operating margin | 0.00% | -8.99% |
| Net margin | 0.00% | -5.43% |
| ROE | N/A | -4.13% |
| ROIC | -67.73% | -6.33% |
Growth (annualized)
| Metric | AVLN | CSTL |
|---|---|---|
| Revenue CAGR (5Y) | N/A | 35.55% |
| Total return CAGR (5Y) | N/A | -10.28% |
Go deeper
Dig into the metrics
Avalyn Pharma Inc. Common Stock ROECastle Biosciences ROEAvalyn Pharma Inc. Common Stock operating marginCastle Biosciences operating marginAvalyn Pharma Inc. Common Stock revenue growthCastle Biosciences revenue growthAvalyn Pharma Inc. Common Stock free cash flowCastle Biosciences free cash flow
Avalyn Pharma Inc. Common Stock & Castle Biosciences 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.