Castle Biosciences (CSTL) Interest Expenses (2018 - 2026)

Castle Biosciences' (CSTL) quarterly Interest Expenses came in at $134000.0 in Q1 2026, up 688.24% year-on-year from $17000.0 in Q1 2025, and up 458.33% quarter-over-quarter from $24000.0 in Q4 2025.

Castle Biosciences (CSTL) Interest Expenses (2018 - 2026) Analysis & Trends

Castle Biosciences has disclosed Interest Expenses across 9 years of filings, most recently posting $134000.0 for Q1 2026.

  • Interest Expenses for Q1 2026 came in at $134000.0, up 688.24% year-over-year; the trailing twelve-month figure through Mar 2026 was $203000.0 (down 65.0% YoY), and the FY2025 annual result was $86000.0, down 85.1% from the prior year.
  • Interest Expenses came in at $134000.0 for Q1 2026 at Castle Biosciences, up from $24000.0 in the prior quarter.
  • In the past five years, Interest Expenses ranged from a high of $270000.0 in Q2 2024 to a low of $2000.0 in Q3 2023.
  • The 5-year median for Interest Expenses is $12000.0 (2024), against an average of $48411.8.
  • Across the five-year window, Interest Expenses surged 9950.0% in 2024 and sank 92.22% in 2025, its largest moves.
  • Castle Biosciences' Interest Expenses stood at $4000.0 in 2022, then slumped by 50.0% to $2000.0 in 2023, then surged by 4500.0% to $92000.0 in 2024, then slumped by 73.91% to $24000.0 in 2025, then surged by 458.33% to $134000.0 in 2026.
  • The last three Interest Expenses figures came in at $134000.0 (Q1 2026), $24000.0 (Q4 2025), and $24000.0 (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Interest Expense (Qtr)
1 Waters 30,529.42 Bn 30,528.96 Bn 1.11 Bn 48.00 Mn
2 Thermo Fisher Scientific 183.75 Bn 180.50 Bn 7.74 Bn 354.00 Mn
3 Danaher 133.13 Bn 127.43 Bn 3.59 Bn 63.00 Mn
4 Idexx Laboratories 46.14 Bn 45.94 Bn 722.74 Mn 7.74 Mn
5 Agilent Technologies 38.20 Bn 36.39 Bn 990.00 Mn 25.00 Mn
6 Natera 31.50 Bn 30.40 Bn 696.04 Mn 892,000.00
7 Iqvia Holdings 31.34 Bn 29.36 Bn 1.36 Bn 192.00 Mn
8 Illumina 24.51 Bn 23.36 Bn 721.00 Mn 24.00 Mn
9 Mettler Toledo International 23.53 Bn 23.47 Bn 555.82 Mn 17.01 Mn
10 Castle Biosciences 629.76 Mn 368.04 Mn 63.15 Mn 134,000.00

Historic Data

Download Data
DateValue
Mar 31, 2026 134,000.00
Mar 31, 2026 134,000.00
Dec 31, 2025 24,000.00
Dec 31, 2025 24,000.00
Sep 30, 2025 24,000.00
Sep 30, 2025 24,000.00
Jun 30, 2025 21,000.00
Jun 30, 2025 21,000.00
Mar 31, 2025 17,000.00
Mar 31, 2025 17,000.00
Dec 31, 2024 92,000.00
Dec 31, 2024 92,000.00
Sep 30, 2024 201,000.00
Sep 30, 2024 201,000.00
Jun 30, 2024 270,000.00
Jun 30, 2024 270,000.00
Mar 31, 2024 12,000.00
Mar 31, 2024 12,000.00
Dec 31, 2023 2,000.00
Dec 31, 2023 2,000.00