Castle Biosciences (CSTL) EBITDA Margin (2018 - 2026)
Castle Biosciences (CSTL) recorded EBITDA Margin of 0.97% in Q2 2026, up 1.94 percentage points from -0.97% a year earlier and up 18.27 percentage points from the prior quarter.
Castle Biosciences (CSTL) EBITDA Margin (2018 - 2026) Analysis & Trends
On a TTM basis, Castle Biosciences' EBITDA Margin came in at -4.62% as of Jun 30, 2026, down 10.24 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 +9.10 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 (-29.29 pp).
- The Q2 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 -1.56 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 -17.30% (Q1 2026), -0.06% (Q4 2025) and -3.60% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBITDA Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 101.22 Bn | 97.23 Bn | - | 20.01% |
| 2 | Natera | 59.29 Bn | 54.98 Bn | 485.19 Mn | -7.25% |
| 3 | Quest Diagnostics | 26.56 Bn | 24.69 Bn | 1.03 Bn | 19.88% |
| 4 | Labcorp Holdings | 26.41 Bn | 24.16 Bn | 1.11 Bn | 16.90% |
| 5 | Tenet Healthcare | 22.49 Bn | 11.49 Bn | - | 30.60% |
| 6 | Guardant Health | 22.12 Bn | 18.19 Bn | 219.03 Mn | -35.69% |
| 7 | BrightSpring Health Services | 12.91 Bn | 11.24 Bn | 492.75 Mn | 4.51% |
| 8 | Fresenius Medical Care AG | 12.56 Bn | 4.51 Bn | 1.52 Bn | 16.93% |
| 9 | Tempus AI | 12.17 Bn | 9.20 Bn | 246.50 Mn | - |
| 10 | Castle Biosciences | 1.05 Bn | -67.48 Mn | 79.85 Mn | 0.97% |
Historic Data
| Date | Value |
|---|---|
| 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% |
| Sep 30, 2021 | -45.69% |
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_KEY
import 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();