Castle Biosciences (CSTL) Operating Income (2018 - 2026)
Castle Biosciences (CSTL) recorded Operating Income of -$2.73 million in Q3 2026, compared with -$6.8 million a year earlier.
Castle Biosciences (CSTL) Operating Income (2018 - 2026) Analysis & Trends
On a TTM basis, Castle Biosciences' Operating Income came in at -$28.04 million as of Sep 30, 2026; for FY2025, it came in at -$42.81 million.
- Across earlier years, Operating Income came in at $8.67 million in FY2024, -$67.98 million in FY2023, -$72.86 million in FY2022 and -$40.08 million in FY2021.
- The Q3 2026 figure is the highest quarterly Operating Income since Q4 2024.
- Per Business Quant, the preceding three quarters came in at -$3.07 million (Q2 2026), -$18.41 million (Q1 2026) and -$3.83 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Op. Inc (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 2.98 Bn |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | -68.32 Mn |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 402.10 Mn |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 479.00 Mn |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -132.77 Mn |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 160.48 Mn |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 223.00 Mn |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -56.86 Mn |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 499.26 Mn |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | -2.73 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -2.73 Mn |
| Jun 30, 2026 | -3.07 Mn |
| Mar 31, 2026 | -18.41 Mn |
| Dec 31, 2025 | -3.83 Mn |
| Sep 30, 2025 | -6.80 Mn |
| Jun 30, 2025 | -4.25 Mn |
| Mar 31, 2025 | -27.93 Mn |
| Dec 31, 2024 | 4.05 Mn |
| Sep 30, 2024 | 5.08 Mn |
| Jun 30, 2024 | 5.01 Mn |
| Mar 31, 2024 | -5.47 Mn |
| Dec 31, 2023 | -5.66 Mn |
| Sep 30, 2023 | -9.64 Mn |
| Jun 30, 2023 | -21.16 Mn |
| Mar 31, 2023 | -31.52 Mn |
| Dec 31, 2022 | -22.83 Mn |
| Sep 30, 2022 | -21.54 Mn |
| Jun 30, 2022 | -3.97 Mn |
| Mar 31, 2022 | -24.52 Mn |
| Dec 31, 2021 | -15.17 Mn |
Castle Biosciences Operating Income 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=operating-income&ticker=CSTL&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-income", "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=operating-income&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();