Castle Biosciences (CSTL) Income After Tax (2018 - 2026)
Castle Biosciences' Income After Tax came in at -$4.1 million for Q3 2026, compared with -$501,000 a year earlier.
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Analysis
Castle Biosciences (CSTL) Income After Tax (2018 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Castle Biosciences reported Income After Tax of -$23.01 million; for FY2025, it came in at -$24.16 million.
- Going back by year, Income After Tax was $18.25 million in FY2024, -$57.47 million in FY2023, -$67.14 million in FY2022 and -$31.29 million in FY2021.
- The five-year range for quarterly Income After Tax is -$29.2 million (Q1 2023) to $9.59 million (Q4 2024).
- Business Quant data shows CSTL's Income After Tax at -$2.06 million (Q2 2026), -$14.52 million (Q1 2026) and -$2.33 million (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Income After Tax (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 1.85 Bn |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | -59.91 Mn |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 263.10 Mn |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 317.00 Mn |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -124.36 Mn |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 100.80 Mn |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 204.40 Mn |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -12.48 Mn |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 269.39 Mn |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | -4.10 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -4.10 Mn |
| Jun 30, 2026 | -2.06 Mn |
| Mar 31, 2026 | -14.52 Mn |
| Dec 31, 2025 | -2.33 Mn |
| Sep 30, 2025 | -501,000.00 |
| Jun 30, 2025 | 4.56 Mn |
| Mar 31, 2025 | -25.85 Mn |
| Dec 31, 2024 | 9.59 Mn |
| Sep 30, 2024 | 2.27 Mn |
| Jun 30, 2024 | 8.92 Mn |
| Mar 31, 2024 | -2.53 Mn |
| Dec 31, 2023 | -2.58 Mn |
| Sep 30, 2023 | -6.91 Mn |
| Jun 30, 2023 | -18.78 Mn |
| Mar 31, 2023 | -29.20 Mn |
| Dec 31, 2022 | -20.62 Mn |
| Sep 30, 2022 | -20.25 Mn |
| Jun 30, 2022 | -1.65 Mn |
| Mar 31, 2022 | -24.62 Mn |
| Dec 31, 2021 | -6.43 Mn |
API Access
Castle Biosciences Income After Tax 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=profit-after-tax&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "profit-after-tax", "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=profit-after-tax&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();