Castle Biosciences (CSTL) Return on Sales [ROS] (2018 - 2026)
Castle Biosciences (CSTL) reported Return on Sales [ROS] of -2.96% for Q2 2026, up 1.97 percentage points from -4.93% a year earlier and up 19.03 percentage points from the prior quarter.
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Analysis
Castle Biosciences (CSTL) Return on Sales [ROS] (2018 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Castle Biosciences' Return on Sales [ROS] came in at -8.99%, down 2.33 percentage points year-over-year; for FY2025, it was -12.44%, down 15.05 percentage points from FY2024.
- Return on Sales [ROS] has a five-year change of -1.99 percentage points (FY2020 to FY2025).
- By year, Return on Sales [ROS] came in at 2.61% in FY2024 (+33.54 pp), -30.93% in FY2023 (+22.24 pp), -53.16% in FY2022 (-10.56 pp) and -42.60% in FY2021 (-32.16 pp).
- The Q2 2026 figure ranks as the highest quarterly Return on Sales [ROS] since Q4 2024.
- Year over year, Return on Sales [ROS] gained in four of the last eight quarters, with an average year-over-year change of -1.45 percentage points.
- The high point for year-over-year Return on Sales [ROS] in five years was Q1 2024 (a gain of 67.49 percentage points); the low point was Q1 2022 (a drop of 72.52 percentage points).
- Per Business Quant data, the three quarters before Q2 2026 came in at -22.00% (Q1 2026), -4.40% (Q4 2025) and -8.19% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | ROS (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 104.07 Bn | 100.08 Bn | - | 15.29% |
| 2 | Natera | 58.01 Bn | 53.69 Bn | 485.19 Mn | -10.07% |
| 3 | Labcorp Holdings | 26.95 Bn | 24.70 Bn | 1.11 Bn | 12.10% |
| 4 | Quest Diagnostics | 26.86 Bn | 24.99 Bn | 1.03 Bn | 15.08% |
| 5 | Tenet Healthcare | 22.60 Bn | 11.60 Bn | - | 26.67% |
| 6 | Guardant Health | 22.54 Bn | 18.61 Bn | 219.03 Mn | -38.55% |
| 7 | Fresenius Medical Care AG | 13.20 Bn | 5.15 Bn | 1.52 Bn | 9.58% |
| 8 | BrightSpring Health Services | 12.40 Bn | 10.73 Bn | 492.75 Mn | 3.37% |
| 9 | Encompass Health | 12.26 Bn | 11.92 Bn | - | 18.43% |
| 10 | Castle Biosciences | 1.01 Bn | -104.42 Mn | 79.85 Mn | -2.96% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -2.96% |
| Mar 31, 2026 | -22.00% |
| Dec 31, 2025 | -4.40% |
| Sep 30, 2025 | -8.19% |
| Jun 30, 2025 | -4.93% |
| Mar 31, 2025 | -31.74% |
| Dec 31, 2024 | 4.69% |
| Sep 30, 2024 | 5.92% |
| Jun 30, 2024 | 5.76% |
| Mar 31, 2024 | -7.50% |
| Dec 31, 2023 | -8.56% |
| Sep 30, 2023 | -15.68% |
| Jun 30, 2023 | -42.20% |
| Mar 31, 2023 | -74.99% |
| Dec 31, 2022 | -59.55% |
| Sep 30, 2022 | -58.19% |
| Jun 30, 2022 | -11.40% |
| Mar 31, 2022 | -91.30% |
| Dec 31, 2021 | -60.59% |
| Sep 30, 2021 | -50.33% |
API Access
Castle Biosciences Return on Sales [ROS] 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=return-on-sales-%5Bros%5D&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "return-on-sales-[ros]", "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=return-on-sales-%5Bros%5D&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();