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Costar (CSGP) Shares Outstanding (Diluted Average) (2016 - 2025)

Costar (CSGP) has disclosed Shares Outstanding (Diluted Average) for 15 consecutive years, with $420.7 million as the latest value for Q4 2025.

  • On a quarterly basis, Shares Outstanding (Diluted Average) rose 3.16% to $420.7 million in Q4 2025 year-over-year; TTM through Dec 2025 was $420.7 million, a 3.16% increase, with the full-year FY2025 number at $420.7 million, up 3.16% from a year prior.
  • Shares Outstanding (Diluted Average) was $420.7 million for Q4 2025 at Costar, roughly flat from $419.9 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $420.7 million in Q4 2025 to a low of $393.7 million in Q1 2021.
  • A 5-year average of $404.1 million and a median of $406.7 million in 2023 define the central range for Shares Outstanding (Diluted Average).
  • Peak YoY movement for Shares Outstanding (Diluted Average): skyrocketed 970.58% in 2021, then grew 0.07% in 2022.
  • Costar's Shares Outstanding (Diluted Average) stood at $394.2 million in 2021, then rose by 0.91% to $397.8 million in 2022, then grew by 2.29% to $406.9 million in 2023, then increased by 0.22% to $407.8 million in 2024, then rose by 3.16% to $420.7 million in 2025.
  • Per Business Quant, the three most recent readings for CSGP's Shares Outstanding (Diluted Average) are $420.7 million (Q4 2025), $419.9 million (Q3 2025), and $415.1 million (Q2 2025).