Castle Biosciences (CSTL) Cash from Operations (2018 - 2026)
Castle Biosciences' (CSTL) quarterly Cash from Operations came in at $15.2 million in Q2 2026, down 26.99% year-over-year from $20.8 million in Q2 2025, and up 168.69% quarter-over-quarter from -$22.1 million in Q1 2026.
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Analysis
Castle Biosciences (CSTL) Cash from Operations (2018 - 2026) Analysis & Trends
Castle Biosciences has disclosed Cash from Operations across 9 years of filings, most recently posting $15.2 million for Q2 2026.
- In Q2 2026, Cash from Operations fell 26.99% year-over-year to $15.2 million; the TTM figure through Jun 2026 stood at $42.6 million (down 31.77% YoY), while the FY2025 annual figure was $64.3 million, down 0.8% from the prior year.
- Cash from Operations came in at $15.2 million for Q2 2026 at Castle Biosciences, up from -$22.1 million in the prior quarter.
- In the past five years, Cash from Operations ranged from a high of $26.9 million in Q4 2025 to a low of -$25.4 million in Q1 2023.
- Average Cash from Operations over 5 years is $4.2 million, with a median of $613000.0 recorded in 2023.
- Year-over-year, Cash from Operations slumped 490.2% in 2022 and surged 733.86% in 2024.
- Over 5 years, Cash from Operations stood at -$6.0 million in 2022, then soared by 409.78% to $18.6 million in 2023, then jumped by 31.09% to $24.4 million in 2024, then gained by 10.53% to $26.9 million in 2025, then slumped by 43.56% to $15.2 million in 2026.
- Per Business Quant data, the three most recent Cash from Operations figures were $15.2 million in Q2 2026, -$22.1 million in Q1 2026, and $26.9 million in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Cash from Operations (Qtr) |
|---|---|---|---|---|---|
| 1 | Natera | 53.05 Bn | 51.95 Bn | 486.15 Mn | 54.79 Mn |
| 2 | Quest Diagnostics | 27.19 Bn | 26.87 Bn | 1.03 Bn | 597.00 Mn |
| 3 | Labcorp Holdings | 25.93 Bn | 25.81 Bn | 1.11 Bn | 445.50 Mn |
| 4 | Guardant Health | 23.97 Bn | 22.91 Bn | 219.03 Mn | -57.78 Mn |
| 5 | Tempus AI | 13.64 Bn | 12.82 Bn | 274.25 Mn | -7.53 Mn |
| 6 | Caris Life Sciences | 8.47 Bn | 7.68 Bn | 182.38 Mn | 28.48 Mn |
| 7 | Sotera Health | 5.35 Bn | 4.99 Bn | 177.96 Mn | 88.50 Mn |
| 8 | BillionToOne | 4.96 Bn | 4.41 Bn | 77.11 Mn | 9.14 Mn |
| 9 | Adaptive Biotechnologies | 4.55 Bn | 4.21 Bn | 51.39 Mn | -6.40 Mn |
| 10 | Castle Biosciences | 1.08 Bn | 811.36 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();