Castle Biosciences CSTL
NASDAQ CSTL
$35.35 +0.36 (+1.03%)
As of: Sep 22, 2026 · 10:04 AM EDT

Castle Biosciences (CSTL) Tax Provisions (2018 - 2026)

Castle Biosciences' (CSTL) quarterly Tax Provisions came in at $370000.0 in Q2 2026, up 107.87% year-over-year from $177993.9 in Q2 2025, and up 239.45% quarter-over-quarter from $109000.0 in Q1 2026.

Analysis

Castle Biosciences (CSTL) Tax Provisions (2018 - 2026) Analysis & Trends

Castle Biosciences has disclosed Tax Provisions across 9 years of filings, most recently posting $370000.0 for Q2 2026.

  • In Q2 2026, Tax Provisions rose 107.87% year-over-year to $370000.0; the TTM figure through Jun 2026 stood at $212000.0 (up 126.01% YoY), while the FY2025 annual figure was -$5.4 million, down 261.37% from the prior year.
  • Tax Provisions came in at $370000.0 for Q2 2026 at Castle Biosciences, up from $109000.0 in the prior quarter.
  • In the past five years, Tax Provisions ranged from a high of $6.0 million in Q3 2024 to a low of -$4.7 million in Q2 2025.
  • Average Tax Provisions over 5 years is -$191588.2, with a median of $32000.0 recorded in 2023.
  • Year-over-year, Tax Provisions plunged 39240.0% in 2022 and surged 18690.62% in 2024.
  • Over 5 years, Tax Provisions stood at $57000.0 in 2022, then plunged by 31.58% to $39000.0 in 2023, then sank by 4471.79% to -$1.7 million in 2024, then jumped by 77.6% to -$382000.0 in 2025, then soared by 196.86% to $370000.0 in 2026.
  • Per Business Quant data, the three most recent Tax Provisions figures were $370000.0 in Q2 2026, $109000.0 in Q1 2026, and -$382000.0 in Q4 2025.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Taxes (Qtr)
1 Natera 53.05 Bn 51.95 Bn 486.15 Mn -300,000.00
2 Quest Diagnostics 27.19 Bn 26.87 Bn 1.03 Bn 88.00 Mn
3 Labcorp Holdings 25.93 Bn 25.81 Bn 1.11 Bn 87.30 Mn
4 Guardant Health 23.97 Bn 22.91 Bn 219.03 Mn 185,000.00
5 Tempus AI 13.64 Bn 12.82 Bn 274.25 Mn 309,000.00
6 Caris Life Sciences 8.47 Bn 7.68 Bn 182.38 Mn 23,000.00
7 Sotera Health 5.35 Bn 4.99 Bn 177.96 Mn 24.41 Mn
8 BillionToOne 4.96 Bn 4.41 Bn 77.11 Mn -536,000.00
9 Adaptive Biotechnologies 4.55 Bn 4.21 Bn 51.39 Mn -
10 Castle Biosciences 1.08 Bn 811.36 Mn 79.85 Mn 370,000.00
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 370,000.00
Mar 31, 2026 109,000.00
Dec 31, 2025 -382,000.00
Sep 30, 2025 115,000.00
Jun 30, 2025 -4.70 Mn
Mar 31, 2025 -423,000.00
Dec 31, 2024 -1.71 Mn
Sep 30, 2024 6.01 Mn
Jun 30, 2024 -1.03 Mn
Mar 31, 2024 45,000.00
Dec 31, 2023 39,000.00
Sep 30, 2023 32,000.00
Jun 30, 2023 16,000.00
Mar 31, 2023 14,000.00
Dec 31, 2022 57,000.00
Jun 30, 2022 -1.96 Mn
Mar 31, 2022 134,000.00
Dec 31, 2021 -8.73 Mn
Jun 30, 2021 5,000.00
Dec 31, 2020 84,000.00
API Access

Castle Biosciences Tax Provisions API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

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