Castle Biosciences (CSTL) EBT Margin (2018 - 2026)
Castle Biosciences' (CSTL) quarterly EBT Margin came in at 17.22% in Q1 2026, up 1263.0% year-on-year from 1.26% in Q1 2025, and down 452.2% quarter-over-quarter from 3.12% in Q4 2025.
Castle Biosciences (CSTL) EBT Margin (2018 - 2026) Analysis & Trends
Castle Biosciences has disclosed EBT Margin across 9 years of filings, most recently posting 17.22% for Q1 2026.
- EBT Margin for Q1 2026 came in at 17.22%, up 1263.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 5.19% (down 456.0% YoY), and the FY2025 annual result was 8.57%, down 1507.0% from the prior year.
- EBT Margin came in at 17.22% for Q1 2026 at Castle Biosciences, down from 3.12% in the prior quarter.
- In the past five years, EBT Margin ranged from a high of 9.65% in Q3 2024 to a low of 91.2% in Q1 2022.
- The 5-year median for EBT Margin is 10.35% (2022), against an average of 21.07%.
- Across the five-year window, EBT Margin slumped 7244 bps in 2022 and jumped 6603 bps in 2024, its largest moves.
- Castle Biosciences' EBT Margin stood at 53.63% in 2022, then surged by 93 bps to 3.84% in 2023, then surged by 338 bps to 9.14% in 2024, then sank by 134 bps to 3.12% in 2025, then tumbled by 452 bps to 17.22% in 2026.
- The last three EBT Margin figures came in at 17.22% (Q1 2026), 3.12% (Q4 2025), and 0.46% (Q3 2025), per Business Quant data.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBT Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Waters | 30,529.42 Bn | 30,528.96 Bn | 1.11 Bn | -6.95% |
| 2 | Thermo Fisher Scientific | 183.75 Bn | 180.50 Bn | 7.74 Bn | 15.76% |
| 3 | Danaher | 133.13 Bn | 127.43 Bn | 3.59 Bn | 20.75% |
| 4 | Idexx Laboratories | 46.14 Bn | 45.94 Bn | 722.74 Mn | 31.16% |
| 5 | Agilent Technologies | 38.20 Bn | 36.39 Bn | 990.00 Mn | 22.23% |
| 6 | Natera | 31.50 Bn | 30.40 Bn | 696.04 Mn | -12.17% |
| 7 | Iqvia Holdings | 31.34 Bn | 29.36 Bn | 1.36 Bn | 7.90% |
| 8 | Illumina | 24.51 Bn | 23.36 Bn | 721.00 Mn | 14.39% |
| 9 | Mettler Toledo International | 23.53 Bn | 23.47 Bn | 555.82 Mn | 22.14% |
| 10 | Castle Biosciences | 629.76 Mn | 368.04 Mn | 63.15 Mn | -17.22% |
Historic Data
Download Data| Date | Value |
|---|---|
| Mar 31, 2026 | -17.22% |
| Dec 31, 2025 | -3.12% |
| Sep 30, 2025 | -0.46% |
| Jun 30, 2025 | -0.17% |
| Mar 31, 2025 | -29.86% |
| Dec 31, 2024 | 9.14% |
| Sep 30, 2024 | 9.65% |
| Jun 30, 2024 | 9.06% |
| Mar 31, 2024 | -3.41% |
| Dec 31, 2023 | -3.84% |
| Sep 30, 2023 | -11.18% |
| Jun 30, 2023 | -37.42% |
| Mar 31, 2023 | -69.44% |
| Dec 31, 2022 | -53.63% |
| Sep 30, 2022 | -54.71% |
| Jun 30, 2022 | -10.35% |
| Mar 31, 2022 | -91.20% |
| Dec 31, 2021 | -60.53% |
| Sep 30, 2021 | -50.23% |
| Jun 30, 2021 | -38.61% |