Costar (CSGP) Market Capitalization (2010 - 2026)

Costar (CSGP) has reported Market Capitalization for 17 consecutive years, with $11.5 billion the latest figure, recorded in Q2 2026.

• On a quarterly basis, Market Capitalization fell 66.31% year-over-year to $11.5 billion in Q2 2026; TTM through Jun 2026 was $11.5 billion, a 66.31% decrease from a year earlier, with the FY2025 full-year figure at $28.1 billion, down 4.15% from the prior year.
• Market Capitalization was $11.5 billion for Q2 2026 at Costar, down from $16.5 billion in the prior quarter.
• Over five years, Market Capitalization peaked at $39.4 billion in Q1 2024 and troughed at $11.5 billion in Q2 2026.
• A 5-year average of $29.5 billion and a median of $30.7 billion in 2024 frame the typical range for Market Capitalization.
• Across the five-year window, Market Capitalization jumped 51.94% in 2023 and sank 66.31% in 2026, its largest moves.
• Over 5 years, Market Capitalization stood at $31.4 billion in 2022, then rose by 13.48% to $35.7 billion in 2023, then retreated by 17.8% to $29.3 billion in 2024, then fell by 4.15% to $28.1 billion in 2025, then slumped by 59.16% to $11.5 billion in 2026.
• The last three Market Capitalization figures came in at $11.5 billion (Q2 2026), $16.5 billion (Q1 2026), and $28.1 billion (Q4 2025), per Business Quant data.