Castle Biosciences (CSTL) Cash from Operations (2018 - 2026)
Castle Biosciences (CSTL) reported Cash from Operations of $15.2 million for Q2 2026, down 27.0% from $20.82 million a year earlier.
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Analysis
Castle Biosciences (CSTL) Cash from Operations (2018 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Castle Biosciences' Cash from Operations came in at $42.63 million, down 31.8% year-over-year; for FY2025, it came in at $64.35 million, down 0.8% from FY2024.
- Cash from Operations has a five-year compound annual growth rate of 45.5% (FY2020 to FY2025).
- By year, Cash from Operations came in at $64.87 million in FY2024, -$5.63 million in FY2023, -$41.66 million in FY2022 and -$18.98 million in FY2021.
- Five-year quarterly Cash from Operations spans a low of -$25.44 million in Q1 2023 and a high of $26.93 million in Q4 2025.
- Year over year, Cash from Operations gained in three of the last six quarters, with growth averaging 60.7%.
- Per Business Quant data, the three quarters before Q2 2026 came in at -$22.13 million (Q1 2026), $26.93 million (Q4 2025) and $22.63 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Cash from Ops. (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 101.22 Bn | 97.23 Bn | - | 2.34 Bn |
| 2 | Natera | 59.29 Bn | 54.98 Bn | 485.19 Mn | 54.79 Mn |
| 3 | Quest Diagnostics | 26.56 Bn | 24.69 Bn | 1.03 Bn | 597.00 Mn |
| 4 | Labcorp Holdings | 26.41 Bn | 24.16 Bn | 1.11 Bn | 445.50 Mn |
| 5 | Tenet Healthcare | 22.49 Bn | 11.49 Bn | - | 585.00 Mn |
| 6 | Guardant Health | 22.12 Bn | 18.19 Bn | 219.03 Mn | -57.78 Mn |
| 7 | BrightSpring Health Services | 12.91 Bn | 11.24 Bn | 492.75 Mn | 43.92 Mn |
| 8 | Fresenius Medical Care AG | 12.56 Bn | 4.51 Bn | 1.52 Bn | 999.98 Mn |
| 9 | Tempus AI | 12.17 Bn | 9.20 Bn | 246.50 Mn | -7.53 Mn |
| 10 | Castle Biosciences | 1.05 Bn | -67.48 Mn | 79.85 Mn | 15.20 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 15.20 Mn |
| Mar 31, 2026 | -22.13 Mn |
| Dec 31, 2025 | 26.93 Mn |
| Sep 30, 2025 | 22.63 Mn |
| Jun 30, 2025 | 20.82 Mn |
| Mar 31, 2025 | -6.04 Mn |
| Dec 31, 2024 | 24.37 Mn |
| Sep 30, 2024 | 23.34 Mn |
| Jun 30, 2024 | 24.00 Mn |
| Mar 31, 2024 | -6.84 Mn |
| Dec 31, 2023 | 18.59 Mn |
| Sep 30, 2023 | 5.01 Mn |
| Jun 30, 2023 | -3.79 Mn |
| Mar 31, 2023 | -25.44 Mn |
| Dec 31, 2022 | -6.00 Mn |
| Sep 30, 2022 | -5.22 Mn |
| Jun 30, 2022 | -9.00 Mn |
| Mar 31, 2022 | -21.43 Mn |
| Dec 31, 2021 | -2.78 Mn |
| Sep 30, 2021 | -6.13 Mn |
API Access
Castle Biosciences Cash from Operations 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=cash-from-operations&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "cash-from-operations", "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=cash-from-operations&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();