Castle Biosciences (CSTL) Tax Rate (2018 - 2026)
Castle Biosciences (CSTL) posted Tax Rate of 21.89% for Q2 2026, down 2794.96% sequentially from 0.76% in Q1 2026, and down 330861.0% YoY from N/an in Q2 2025.
Castle Biosciences (CSTL) Tax Rate (2018 - 2026) Analysis & Trends
Castle Biosciences has reported Tax Rate for 9 years, with the latest figure at 21.89% in Q2 2026.
- Quarterly Tax Rate fell 330861.0% year-over-year to 21.89% in Q2 2026, while the trailing twelve-month figure through Jun 2026 was 1.1% (down 906.0% YoY) and the FY2025 annual result came in at 18.15%, up 276.0% from the prior year.
- Tax Rate eased to 21.89% in Q2 2026 per CSTL's latest filing, from 0.76% in the prior quarter.
- Over five years, Tax Rate peaked at 3286.71% in Q2 2025 and troughed at 29.79% in Q3 2025.
- A 5-year average of 196.31% and a median of 0.47% in 2023 frame the typical range for Tax Rate.
- The sharpest annual moves came in 2025 and 2026: Tax Rate surged 329983 bps in 2025, then slumped 330861 bps in 2026.
- Over 5 years, Tax Rate stood at 0.28% in 2022, then sank by 454 bps to 1.53% in 2023, then sank by 1309 bps to 21.62% in 2024, then soared by 165 bps to 14.08% in 2025, then tumbled by 256 bps to 21.89% in 2026.
- According to Business Quant data, Tax Rate over the past three periods registered 21.89%, 0.76%, and 14.08% for Q2 2026, Q1 2026, and Q4 2025 respectively.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 213.78 Bn | 209.71 Bn | 8.34 Bn | 8.68% |
| 2 | Danaher | 139.83 Bn | 135.48 Bn | 3.61 Bn | 19.29% |
| 3 | Idexx Laboratories | 45.99 Bn | 45.79 Bn | 779.09 Mn | 18.89% |
| 4 | Agilent Technologies | 39.69 Bn | 37.88 Bn | 990.00 Mn | 16.91% |
| 5 | Iqvia Holdings | 39.31 Bn | 37.23 Bn | 1.44 Bn | 19.93% |
| 6 | Natera | 38.74 Bn | 37.64 Bn | 696.04 Mn | -0.35% |
| 7 | Illumina | 29.94 Bn | 28.77 Bn | 770.00 Mn | 20.38% |
| 8 | Mettler Toledo International | 28.55 Bn | 28.50 Bn | 650.22 Mn | 19.52% |
| 9 | Quest Diagnostics | 26.18 Bn | 25.55 Bn | 1.03 Bn | 21.36% |
| 10 | Castle Biosciences | 943.13 Mn | 676.31 Mn | 79.85 Mn | -21.89% |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | -21.89% |
| Jun 30, 2026 | -21.89% |
| Jun 30, 2026 | -21.89% |
| Mar 31, 2026 | -0.76% |
| Mar 31, 2026 | -0.76% |
| Mar 31, 2026 | -0.76% |
| Dec 31, 2025 | 14.08% |
| Dec 31, 2025 | 14.08% |
| Dec 31, 2025 | 14.08% |
| Sep 30, 2025 | -29.79% |
| Sep 30, 2025 | -29.79% |
| Sep 30, 2025 | -29.79% |
| Jun 30, 2025 | 3,286.71% |
| Jun 30, 2025 | 3,286.71% |
| Jun 30, 2025 | 3,286.71% |
| Mar 31, 2025 | 1.61% |
| Mar 31, 2025 | 1.61% |
| Mar 31, 2025 | 1.61% |
| Dec 31, 2024 | -21.62% |
| Dec 31, 2024 | -21.62% |