Castle BiosciencesCSTL
About: Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.
Employees: 761
Fund manager confidence
Based on 2024 Q4 regulatory disclosures by fund managers ($100M+ AUM)
272% more call options, than puts
Call options by funds: $3.7M | Put options by funds: $996K
44% more first-time investments, than exits
New positions opened: 39 | Existing positions closed: 27
5% more funds holding
Funds holding: 184 [Q3] → 194 (+10) [Q4]
1.41% more ownership
Funds ownership: 92.83% [Q3] → 94.24% (+1.41%) [Q4]
6% more repeat investments, than reductions
Existing positions increased: 67 | Existing positions reduced: 63
4% less capital invested
Capital invested by funds: $735M [Q3] → $703M (-$31.3M) [Q4]
50% less funds holding in top 10
Funds holding in top 10: 4 [Q3] → 2 (-2) [Q4]
Research analyst outlook
1 Wall Street Analyst provided 1 year price targets over the past 3 months
1 analyst rating
Baird Catherine Ramsey 28% 1-year accuracy 5 / 18 met price target | 77%upside $37 | Outperform Maintained | 28 Feb 2025 |
Financial journalist opinion
Based on 5 articles about CSTL published over the past 30 days









