Castle Biosciences (CSTL) Net Cash Flow (2018 - 2026)
Castle Biosciences (CSTL) reported Net Cash Flow of $15.88 million for Q3 2026, up 377.8% from $3.32 million a year earlier.
Castle Biosciences (CSTL) Net Cash Flow (2018 - 2026) Analysis & Trends
Over the twelve months ended Sep 30, 2026, Castle Biosciences' Net Cash Flow came in at -$7.56 million; for FY2025, it came in at -$2.98 million.
- By year, Net Cash Flow came in at $20.87 million in FY2024, -$24.11 million in FY2023, -$206.69 million in FY2022 and -$80.22 million in FY2021.
- Five-year quarterly Net Cash Flow spans a low of -$138.99 million in Q3 2022 and a high of $31.17 million in Q4 2025.
- Year over year, Net Cash Flow gained in three of the last four quarters, with growth averaging 141.0%.
- Per Business Quant data, the three quarters before Q3 2026 came in at -$1.65 million (Q2 2026), -$52.97 million (Q1 2026) and $31.17 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | NCF (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | -104.00 Mn |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | 5.69 Mn |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 120.10 Mn |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 171.00 Mn |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -22.17 Mn |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 167.46 Mn |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | -33.30 Mn |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -9.02 Mn |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | -172.41 Mn |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | 15.88 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 15.88 Mn |
| Jun 30, 2026 | -1.65 Mn |
| Mar 31, 2026 | -52.97 Mn |
| Dec 31, 2025 | 31.17 Mn |
| Sep 30, 2025 | 3.32 Mn |
| Jun 30, 2025 | -7.46 Mn |
| Mar 31, 2025 | -30.02 Mn |
| Dec 31, 2024 | 24.75 Mn |
| Sep 30, 2024 | 9.39 Mn |
| Jun 30, 2024 | 2.62 Mn |
| Mar 31, 2024 | -15.89 Mn |
| Dec 31, 2023 | 7.62 Mn |
| Sep 30, 2023 | -4.65 Mn |
| Jun 30, 2023 | -18.95 Mn |
| Mar 31, 2023 | -8.13 Mn |
| Dec 31, 2022 | -11.23 Mn |
| Sep 30, 2022 | -138.99 Mn |
| Jun 30, 2022 | -35.85 Mn |
| Mar 31, 2022 | -20.62 Mn |
| Dec 31, 2021 | -33.54 Mn |
Castle Biosciences Net Cash Flow 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=net-cash-flow&ticker=CSTL&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "net-cash-flow", "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=net-cash-flow&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();