CSTLNasdaq United States
Market cap
$978.501 M
$32.03 +5.12%
Close of 7 Aug 2026
Revenue
$344.2M
#2083 by revenue
Earnings
-$24.2M
Loss-making
Shares outstanding
30,549,507
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Where these numbers come from
Share counts and financials for Castle Biosciences are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.