Castle Biosciences (CSTL) Common Equity (2018 - 2026)
Castle Biosciences (CSTL) posted Common Equity of $470.03 million for Q2 2026, up 3.2% from $455.38 million a year earlier and up 1.9% from the prior quarter.
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Analysis
Castle Biosciences (CSTL) Common Equity (2018 - 2026) Analysis & Trends
At the end of FY2025, Castle Biosciences' Common Equity came in at $470.87 million, up 3.3% from FY2024.
- Annual Common Equity shows a five-year compound annual growth rate of 2.5% (FY2020 to FY2025).
- In prior years, Castle Biosciences' Common Equity was $455.84 million in FY2024 (+16.5%), $391.27 million in FY2023 (-2.0%), $399.15 million in FY2022 (-3.1%) and $411.74 million in FY2021 (-1.0%).
- Quarterly Common Equity has run from a low of $378.77 million in Q2 2023 to a high of $470.87 million in Q4 2025 over five years.
- On a year-over-year basis, Common Equity has increased in each of the last ten quarters, with growth averaging 8.1% over the last eight quarters.
- The strongest year-over-year quarter for Common Equity in the past five years was Q3 2021, with growth of 147.2%; the weakest was Q2 2023, with a decline of 10.2%.
- According to Business Quant data, Common Equity for the three prior quarters was $461.42 million (Q1 2026), $470.87 million (Q4 2025) and $467.05 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Common Equity (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 101.22 Bn | 97.23 Bn | - | -6.64 Bn |
| 2 | Natera | 59.29 Bn | 54.98 Bn | 485.19 Mn | 1.82 Bn |
| 3 | Quest Diagnostics | 26.56 Bn | 24.69 Bn | 1.03 Bn | 7.82 Bn |
| 4 | Labcorp Holdings | 26.41 Bn | 24.16 Bn | 1.11 Bn | 8.61 Bn |
| 5 | Tenet Healthcare | 22.49 Bn | 11.49 Bn | - | 6.56 Bn |
| 6 | Guardant Health | 22.12 Bn | 18.19 Bn | 219.03 Mn | -222.87 Mn |
| 7 | BrightSpring Health Services | 12.91 Bn | 11.24 Bn | 492.75 Mn | 2.05 Bn |
| 8 | Fresenius Medical Care AG | 12.56 Bn | 4.51 Bn | 1.52 Bn | 15.46 Bn |
| 9 | Tempus AI | 12.17 Bn | 9.20 Bn | 246.50 Mn | 444.93 Mn |
| 10 | Castle Biosciences | 1.05 Bn | -67.48 Mn | 79.85 Mn | 470.03 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 470.03 Mn |
| Mar 31, 2026 | 461.42 Mn |
| Dec 31, 2025 | 470.87 Mn |
| Sep 30, 2025 | 467.05 Mn |
| Jun 30, 2025 | 455.38 Mn |
| Mar 31, 2025 | 440.31 Mn |
| Dec 31, 2024 | 455.84 Mn |
| Sep 30, 2024 | 441.06 Mn |
| Jun 30, 2024 | 423.89 Mn |
| Mar 31, 2024 | 402.46 Mn |
| Dec 31, 2023 | 391.27 Mn |
| Sep 30, 2023 | 385.78 Mn |
| Jun 30, 2023 | 378.77 Mn |
| Mar 31, 2023 | 385.15 Mn |
| Dec 31, 2022 | 399.15 Mn |
| Sep 30, 2022 | 411.43 Mn |
| Jun 30, 2022 | 421.66 Mn |
| Mar 31, 2022 | 397.34 Mn |
| Dec 31, 2021 | 411.74 Mn |
| Sep 30, 2021 | 411.73 Mn |
API Access
Castle Biosciences Common Equity 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=common-equity&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "common-equity", "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=common-equity&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();