Castle Biosciences (CSTL) EBT Margin (2018 - 2026)
Castle Biosciences (CSTL) posted EBT Margin of 17.22% for Q1 2026, down 452.2% sequentially from 3.12% in Q4 2025, and up 1263.0% YoY from 1.26% in Q1 2025.
Castle Biosciences (CSTL) EBT Margin (2018 - 2026) Analysis & Trends
Castle Biosciences (CSTL) has 9 years of EBT Margin data on file, last reported at 17.22% in Q1 2026.
- Quarterly EBT Margin rose 1263.0% year-over-year to 17.22% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 5.19% (down 456.0% YoY) and the FY2025 annual result came in at 8.57%, down 1507.0% from the prior year.
- EBT Margin slipped to 17.22% in Q1 2026 per CSTL's latest filing, from 3.12% in the prior quarter.
- The five-year high for EBT Margin was 9.65% in Q3 2024, with the low at 91.2% in Q1 2022.
- Average EBT Margin over 5 years is 21.07%, with a median of 10.35% recorded in 2022.
- Year-over-year, EBT Margin plunged 7244 bps in 2022 and surged 6603 bps in 2024.
- 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 slumped by 134 bps to 3.12% in 2025, then plunged by 452 bps to 17.22% in 2026.
- Business Quant data shows CSTL's EBT Margin at 17.22% in Q1 2026, 3.12% in Q4 2025, and 0.46% in Q3 2025.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBT Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Waters | 31,055.11 Bn | 31,054.65 Bn | 1.11 Bn | -6.95% |
| 2 | Thermo Fisher Scientific | 191.02 Bn | 187.77 Bn | 7.74 Bn | 15.76% |
| 3 | Danaher | 137.16 Bn | 131.47 Bn | 3.59 Bn | 20.75% |
| 4 | Idexx Laboratories | 42.82 Bn | 42.62 Bn | 722.74 Mn | 31.16% |
| 5 | Natera | 39.09 Bn | 37.99 Bn | 696.04 Mn | -12.17% |
| 6 | Agilent Technologies | 37.61 Bn | 35.81 Bn | 990.00 Mn | 22.23% |
| 7 | Iqvia Holdings | 34.23 Bn | 32.25 Bn | 1.36 Bn | 7.90% |
| 8 | Illumina | 28.14 Bn | 26.98 Bn | 721.00 Mn | 14.39% |
| 9 | Mettler Toledo International | 26.40 Bn | 26.33 Bn | 555.82 Mn | 22.14% |
| 10 | Castle Biosciences | 738.56 Mn | 476.84 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% |