Castle Biosciences Inc (CSTL)

Castle Biosciences Inc (CSTL) is a Diagnostics & Research company in the Healthcare sector listed on the NASDAQ.

As of Oct 23, 2026: market cap $1.1B; returns 1 day -0.3%, 1 week +3.5%, 1 year +36.8%.

Castle Biosciences Inc. is a molecular diagnostics company focused on improving health through innovative tests that guide patient care, primarily in dermatology and gastroenterology. The company generates revenue predominantly from diagnostic testing services, selling genomic tests to dermatology and oncology practices.

Groups CSTL belongs to

• Healthcare
• Health Diagnostics and Imaging
• Dermatology
• Life Sciences
• Oncology
• Biotechnology
• Precision Medicine
• Gastroenterology
• Commercial Stage

CSTL financial model: income statement, cash flow and balance sheet