Castle Biosciences (CSTL) Revenue (2018 - 2026)
Castle Biosciences (CSTL) posted Revenue of $102.89 million for Q3 2026, up 23.9% from $83.04 million a year earlier but down 0.6% from the prior quarter.
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Castle Biosciences (CSTL) Revenue (2018 - 2026) Analysis & Trends
For the trailing twelve months through Sep 30, 2026, Revenue at Castle Biosciences was $377.13 million, up 9.8% year-over-year; for FY2025, it came in at $344.23 million, up 3.7% from FY2024.
- Annual Revenue has increased for seven consecutive years, with a five-year compound annual growth rate of 40.6% (FY2020 to FY2025).
- In prior years, Castle Biosciences' Revenue was $332.07 million in FY2024 (+51.1%), $219.79 million in FY2023 (+60.4%), $137.04 million in FY2022 (+45.7%) and $94.09 million in FY2021 (+50.2%).
- Quarterly Revenue has run from a low of $25.04 million in Q4 2021 to a high of $103.55 million in Q2 2026 over five years.
- On a year-over-year basis, Revenue increased in five of the last eight quarters, with growth averaging 10.9%.
- The strongest year-over-year quarter for Revenue in the past five years was Q1 2024, with growth of 73.6%; the weakest was Q1 2026, with a decline of 4.9%.
- According to Business Quant data, Revenue for the three prior quarters was $103.55 million (Q2 2026), $83.68 million (Q1 2026) and $87.01 million (Q4 2025).
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Castle Biosciences Revenue API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=revenue&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "revenue", "ticker": "CSTL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=revenue&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();