Castle Biosciences (CSTL) EBIT Margin (2018 - 2026)
Castle Biosciences' (CSTL) quarterly EBIT Margin came in at 2.96% in Q2 2026, up 197.0% year-over-year from 1.0% in Q2 2025, and up 86.52% quarter-over-quarter from 22.0% in Q1 2026.
Castle Biosciences (CSTL) EBIT Margin (2018 - 2026) Analysis & Trends
Castle Biosciences has disclosed EBIT Margin across 9 years of filings, most recently posting 2.96% for Q2 2026.
- In Q2 2026, EBIT Margin rose 197.0% year-over-year to 2.96%; the TTM figure through Jun 2026 stood at 8.99% (down 233.0% YoY), while the FY2025 annual figure was 12.44%, down 1505.0% from the prior year.
- EBIT Margin came in at 2.96% for Q2 2026 at Castle Biosciences, up from 22.0% in the prior quarter.
- In the past five years, EBIT Margin ranged from a high of 5.92% in Q3 2024 to a low of 91.3% in Q1 2022.
- Average EBIT Margin over 5 years is 23.73%, with a median of 9.98% recorded in 2022.
- Year-over-year, EBIT Margin sank 7252 bps in 2022 and soared 6749 bps in 2024.
- Over 5 years, EBIT Margin stood at 59.55% in 2022, then surged by 86 bps to 8.56% in 2023, then soared by 155 bps to 4.69% in 2024, then tumbled by 194 bps to 4.4% in 2025, then surged by 33 bps to 2.96% in 2026.
- Per Business Quant data, the three most recent EBIT Margin figures were 2.96% in Q2 2026, 22.0% in Q1 2026, and 4.4% in Q4 2025.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBIT Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Natera | 53.05 Bn | 51.95 Bn | 486.15 Mn | -10.07% |
| 2 | Quest Diagnostics | 27.19 Bn | 26.87 Bn | 1.03 Bn | 15.08% |
| 3 | Labcorp Holdings | 25.93 Bn | 25.81 Bn | 1.11 Bn | 12.10% |
| 4 | Guardant Health | 23.97 Bn | 22.91 Bn | 219.03 Mn | -38.55% |
| 5 | Tempus AI | 13.64 Bn | 12.82 Bn | 274.25 Mn | -19.85% |
| 6 | Caris Life Sciences | 8.47 Bn | 7.68 Bn | 182.38 Mn | 10.21% |
| 7 | Sotera Health | 5.35 Bn | 4.99 Bn | 177.96 Mn | 34.17% |
| 8 | BillionToOne | 4.96 Bn | 4.41 Bn | 77.11 Mn | 5.03% |
| 9 | Adaptive Biotechnologies | 4.55 Bn | 4.21 Bn | 51.39 Mn | -22.04% |
| 10 | Castle Biosciences | 1.08 Bn | 811.36 Mn | 79.85 Mn | -2.96% |
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% |
Castle Biosciences EBIT 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=ebit-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebit-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=ebit-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();