Costar (CSGP) Shares Outstanding (Diluted Average) (2010 - 2026)

Costar (CSGP) has 17 years of Shares Outstanding (Diluted Average) data on file, last reported at $414.0 million in Q1 2026.

• Shares Outstanding (Diluted Average) for Q1 2026 came in at $414.0 million, up 0.85% year-over-year; the trailing twelve-month figure through Mar 2026 was $414.0 million (up 0.85% YoY), and the FY2025 annual result was $420.7 million, up 3.16% from the prior year.
• Shares Outstanding (Diluted Average) eased to $414.0 million in Q1 2026 per CSGP's latest filing, from $420.7 million in the prior quarter.
• Over five years, Shares Outstanding (Diluted Average) peaked at $424.3 million in Q2 2025 and troughed at $394.2 million in Q1 2022.
• A 5-year average of $407.6 million and a median of $407.3 million in 2024 frame the typical range for Shares Outstanding (Diluted Average).
• The sharpest annual moves came in 2022 and 2025: Shares Outstanding (Diluted Average) climbed 0.1% in 2022, then climbed 4.15% in 2025.
• A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $397.8 million in 2022, then climbed by 2.29% to $406.9 million in 2023, then grew by 0.22% to $407.8 million in 2024, then increased by 3.16% to $420.7 million in 2025, then decreased by 1.59% to $414.0 million in 2026.
• Business Quant data shows CSGP's Shares Outstanding (Diluted Average) at $414.0 million in Q1 2026, $420.7 million in Q4 2025, and $419.9 million in Q3 2025.