Castle Biosciences (CSTL) EBITDA Margin (2018 - 2026)
Castle Biosciences (CSTL) recorded EBITDA Margin of 1.41% in Q3 2026, up 5.01 percentage points from -3.60% a year earlier and up 0.44 percentage points from the prior quarter.
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Analysis
Castle Biosciences (CSTL) EBITDA Margin (2018 - 2026) Analysis & Trends
On a TTM basis, Castle Biosciences' EBITDA Margin came in at -3.20% as of Sep 30, 2026, down 5.48 percentage points year-over-year; for FY2025, it came in at -0.59%, down 8.02 percentage points from FY2024.
- Annual EBITDA Margin has a five-year change of +7.76 percentage points (FY2020 to FY2025).
- Across earlier years, EBITDA Margin came in at 7.43% in FY2024 (+32.75 pp), -25.32% in FY2023 (+20.15 pp), -45.47% in FY2022 (-6.49 pp) and -38.98% in FY2021 (-30.63 pp).
- The Q3 2026 figure is the highest quarterly EBITDA Margin since Q1 2025.
- On a year-over-year basis, EBITDA Margin rose in four of the last eight quarters, with an average year-over-year change of -3.51 percentage points.
- Peak year-over-year performance for EBITDA Margin in the last five years was a gain of 65.19 percentage points in Q1 2024, against a drop of 65.53 percentage points in Q1 2022 at the low end.
- Per Business Quant, the preceding three quarters came in at 0.97% (Q2 2026), -17.30% (Q1 2026) and -0.06% (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBITDA Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 19.86% |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | -5.84% |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 15.36% |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 20.21% |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -33.96% |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 4.78% |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 19.80% |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -2.44% |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 18.40% |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | 1.41% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 1.41% |
| Jun 30, 2026 | 0.97% |
| Mar 31, 2026 | -17.30% |
| Dec 31, 2025 | -0.06% |
| Sep 30, 2025 | -3.60% |
| Jun 30, 2025 | -0.97% |
| Mar 31, 2025 | 2.09% |
| Dec 31, 2024 | 11.38% |
| Sep 30, 2024 | 10.05% |
| Jun 30, 2024 | 9.61% |
| Mar 31, 2024 | -2.92% |
| Dec 31, 2023 | -3.68% |
| Sep 30, 2023 | -10.52% |
| Jun 30, 2023 | -36.13% |
| Mar 31, 2023 | -68.11% |
| Dec 31, 2022 | -52.14% |
| Sep 30, 2022 | -50.29% |
| Jun 30, 2022 | -3.85% |
| Mar 31, 2022 | -83.29% |
| Dec 31, 2021 | -54.79% |
API Access
Castle Biosciences EBITDA Margin 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=ebitda-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebitda-margin", "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=ebitda-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();