Castle Biosciences (CSTL) Debt Ratio (2018 - 2026)

Castle Biosciences (CSTL) posted Debt Ratio of 0.02 for Q2 2026, up 8.09% sequentially from 0.02 in Q1 2026, and up 5.23% YoY from 0.02 in Q2 2025.

Castle Biosciences (CSTL) Debt Ratio (2018 - 2026) Analysis & Trends

Castle Biosciences has reported Debt Ratio for 7 years, with the latest figure at 0.02 in Q2 2026.

  • Quarterly Debt Ratio rose 5.23% year-over-year to 0.02 in Q2 2026, while the trailing twelve-month figure through Jun 2026 was 0.02 (up 5.23% YoY) and the FY2025 annual result came in at 0.02, down 6.64% from the prior year.
  • Debt Ratio improved to 0.02 in Q2 2026 per CSTL's latest filing, from 0.02 in the prior quarter.
  • Over five years, Debt Ratio peaked at 0.05 in Q1 2022 and troughed at 0.02 in Q3 2025.
  • A 4-year average of 0.02 and a median of 0.02 in 2026 frame the typical range for Debt Ratio.
  • The widest YoY moves for Debt Ratio: up 7.12% in 2025, down 8.26% in 2025.
  • Over 4 years, Debt Ratio stood at 0.05 in 2022, then sank by 58.67% to 0.02 in 2024, then decreased by 6.64% to 0.02 in 2025, then climbed by 27.88% to 0.02 in 2026.
  • According to Business Quant data, Debt Ratio over the past three periods registered 0.02, 0.02, and 0.02 for Q2 2026, Q1 2026, and Q4 2025 respectively.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Debt Ratio (Qtr)
1 Thermo Fisher Scientific 213.88 Bn 209.81 Bn 8.34 Bn 0.40
2 Danaher 140.65 Bn 136.30 Bn 3.61 Bn 0.29
3 Idexx Laboratories 46.02 Bn 45.83 Bn 779.09 Mn 0.24
4 Agilent Technologies 39.85 Bn 38.05 Bn 990.00 Mn 0.26
5 Iqvia Holdings 39.20 Bn 37.12 Bn 1.44 Bn 0.54
6 Natera 38.80 Bn 37.70 Bn 696.04 Mn 0.01
7 Illumina 30.11 Bn 28.94 Bn 770.00 Mn 0.22
8 Mettler Toledo International 28.66 Bn 28.61 Bn 650.22 Mn 0.58
9 Quest Diagnostics 26.24 Bn 25.61 Bn 1.03 Bn 0.33
10 Castle Biosciences 926.56 Mn 659.75 Mn 79.85 Mn 0.02

Historic Data

Download Data
DateValue
Jun 30, 2026 0.02
Mar 31, 2026 0.02
Dec 31, 2025 0.02
Sep 30, 2025 0.02
Jun 30, 2025 0.02
Mar 31, 2025 0.02
Dec 31, 2024 0.02
Sep 30, 2024 0.02
Jun 30, 2024 0.02
Mar 31, 2024 0.02
Mar 31, 2022 0.05
Sep 30, 2020 0.11
Jun 30, 2020 0.12
Mar 31, 2020 0.21
Dec 31, 2019 0.21
Sep 30, 2019 0.22
Jun 30, 2019 0.74
Dec 31, 2018 1.09