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

Castle Biosciences (CSTL) posted Debt Ratio of 0.02 for Q1 2026, up 5.71% sequentially from 0.02 in Q4 2025, and down 8.1% YoY from 0.02 in Q1 2025.

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

Castle Biosciences (CSTL) has 7 years of Debt Ratio data on file, last reported at 0.02 in Q1 2026.

Quarterly Debt Ratio fell 8.1% year-over-year to 0.02 in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 0.02 (down 8.1% YoY) and the FY2025 annual result came in at 0.02, down 7.87% from the prior year.
Debt Ratio rose to 0.02 in Q1 2026 per CSTL's latest filing, from 0.02 in the prior quarter.
The five-year high for Debt Ratio was 0.05 in Q1 2022, with the low at 0.02 in Q4 2025.
Average Debt Ratio over 4 years is 0.02, with a median of 0.02 recorded in 2024.
The widest YoY moves for Debt Ratio: up 7.87% in 2025, down 10.25% in 2025.
Castle Biosciences' Debt Ratio stood at 0.05 in 2022, then tumbled by 59.78% to 0.02 in 2024, then retreated by 7.87% to 0.02 in 2025, then climbed by 5.71% to 0.02 in 2026.
Business Quant data shows CSTL's Debt Ratio at 0.02 in Q1 2026, 0.02 in Q4 2025, and 0.02 in Q3 2025.

#	Company	Market Cap	Enterprise Value	Gross Profit (Qtr)	Debt Ratio (Qtr)
1	Waters	31,055.11 Bn	31,054.65 Bn	1.11 Bn	0.20
2	Thermo Fisher Scientific	191.02 Bn	187.77 Bn	7.74 Bn	0.38
3	Danaher	137.16 Bn	131.47 Bn	3.59 Bn	0.22
4	Idexx Laboratories	42.82 Bn	42.62 Bn	722.74 Mn	0.25
5	Natera	39.09 Bn	37.99 Bn	696.04 Mn	0.01
6	Agilent Technologies	37.61 Bn	35.81 Bn	990.00 Mn	0.02
7	Iqvia Holdings	34.23 Bn	32.25 Bn	1.36 Bn	0.53
8	Illumina	28.14 Bn	26.98 Bn	721.00 Mn	0.23
9	Mettler Toledo International	26.40 Bn	26.33 Bn	555.82 Mn	0.61
10	Castle Biosciences	738.56 Mn	476.84 Mn	63.15 Mn	0.02

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