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Castle Biosciences (CSTL) Shares Outstanding (Weighted Average) (2018 - 2026)

Castle Biosciences' Shares Outstanding (Weighted Average) history spans 8 years, with the latest figure at $29.0 million for Q4 2025.

  • On a quarterly basis, Shares Outstanding (Weighted Average) rose 4.36% to $29.0 million in Q4 2025 year-over-year; TTM through Dec 2025 was $29.0 million, a 4.36% increase, with the full-year FY2025 number at $29.0 million, up 4.36% from a year prior.
  • Shares Outstanding (Weighted Average) hit $29.0 million in Q4 2025 for Castle Biosciences, roughly flat from $28.9 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Weighted Average) for CSTL hit a ceiling of $29.0 million in Q4 2025 and a floor of $24.9 million in Q1 2021.
  • Historically, Shares Outstanding (Weighted Average) has averaged $26.8 million across 5 years, with a median of $26.7 million in 2023.
  • Biggest five-year swings in Shares Outstanding (Weighted Average): skyrocketed 43.72% in 2021 and later grew 2.06% in 2022.
  • Tracing CSTL's Shares Outstanding (Weighted Average) over 5 years: stood at $25.1 million in 2021, then increased by 3.65% to $26.1 million in 2022, then increased by 2.87% to $26.8 million in 2023, then rose by 3.63% to $27.8 million in 2024, then increased by 4.36% to $29.0 million in 2025.
  • Business Quant data shows Shares Outstanding (Weighted Average) for CSTL at $29.0 million in Q4 2025, $28.9 million in Q3 2025, and $28.8 million in Q2 2025.