Castle Biosciences CSTL
NASDAQ CSTL
$34.74 -0.25 (-0.70%)
As of: Sep 22, 2026 · 10:48 AM EDT

Castle Biosciences (CSTL) Retained Earnings (2018 - 2026)

Castle Biosciences' (CSTL) quarterly Retained Earnings came in at $711.1 million in Q2 2026, up 5.08% year-over-year from $676.8 million in Q2 2025, and up 1.55% quarter-over-quarter from $700.3 million in Q1 2026.

Analysis

Castle Biosciences (CSTL) Retained Earnings (2018 - 2026) Analysis & Trends

Castle Biosciences has disclosed Retained Earnings across 9 years of filings, most recently posting $711.1 million for Q2 2026.

  • In Q2 2026, Retained Earnings rose 5.08% year-over-year to $711.1 million; the TTM figure through Jun 2026 stood at $711.1 million (up 5.08% YoY), while the FY2025 annual figure was $694.9 million, up 5.97% from the prior year.
  • Retained Earnings came in at $711.1 million for Q2 2026 at Castle Biosciences, up from $700.3 million in the prior quarter.
  • In the past five years, Retained Earnings ranged from a high of $711.1 million in Q2 2026 to a low of $515.7 million in Q1 2022.
  • Average Retained Earnings over 5 years is $624.8 million, with a median of $629.7 million recorded in 2024.
  • Year-over-year, Retained Earnings climbed 11.57% in 2023 and rose 5.08% in 2026.
  • Over 5 years, Retained Earnings stood at $560.4 million in 2022, then gained by 8.76% to $609.5 million in 2023, then rose by 7.58% to $655.7 million in 2024, then rose by 5.97% to $694.9 million in 2025, then climbed by 2.34% to $711.1 million in 2026.
  • Per Business Quant data, the three most recent Retained Earnings figures were $711.1 million in Q2 2026, $700.3 million in Q1 2026, and $694.9 million in Q4 2025.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Retained Earnings (Qtr)
1 Natera 53.05 Bn 51.95 Bn 486.15 Mn -2.93 Bn
2 Quest Diagnostics 27.19 Bn 26.87 Bn 1.03 Bn 10.37 Bn
3 Labcorp Holdings 25.93 Bn 25.81 Bn 1.11 Bn 8.70 Bn
4 Guardant Health 23.97 Bn 22.91 Bn 219.03 Mn -3.23 Bn
5 Tempus AI 13.64 Bn 12.82 Bn 274.25 Mn -2.52 Bn
6 Caris Life Sciences 8.47 Bn 7.68 Bn 182.38 Mn 3.14 Bn
7 Sotera Health 5.35 Bn 4.99 Bn 177.96 Mn 1.27 Bn
8 BillionToOne 4.96 Bn 4.41 Bn 77.11 Mn 787.32 Mn
9 Adaptive Biotechnologies 4.55 Bn 4.21 Bn 51.39 Mn 1.57 Bn
10 Castle Biosciences 1.08 Bn 811.36 Mn 79.85 Mn 711.12 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 711.12 Mn
Mar 31, 2026 700.26 Mn
Dec 31, 2025 694.86 Mn
Sep 30, 2025 688.73 Mn
Jun 30, 2025 676.76 Mn
Mar 31, 2025 666.12 Mn
Dec 31, 2024 655.70 Mn
Sep 30, 2024 650.27 Mn
Jun 30, 2024 636.02 Mn
Mar 31, 2024 623.45 Mn
Dec 31, 2023 609.48 Mn
Sep 30, 2023 601.62 Mn
Jun 30, 2023 587.77 Mn
Mar 31, 2023 575.37 Mn
Dec 31, 2022 560.41 Mn
Sep 30, 2022 551.88 Mn
Jun 30, 2022 541.67 Mn
Mar 31, 2022 515.70 Mn
Dec 31, 2021 505.48 Mn
Sep 30, 2021 499.05 Mn
API Access

Castle Biosciences Retained Earnings 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.

https://data.businessquant.com/historic?slug=retained-earnings&ticker=CSTL&period=max&api_key=YOUR_API_KEY