COSTAR GROUP, INC. Common Stock Shares Outstanding

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COSTAR GROUP, INC. reported Common Stock Shares Outstanding of 417.90 million shares for the year ending 2025.

  • COSTAR GROUP, INC. showed an increase of +2.1% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from COSTAR GROUP, INC.'s annual report (Form 10-K), filed with the SEC on February 26, 2026.
  • XBRL data for this metric is available from 2010 to 2025 (16 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 16 years of available data (2010 to 2025), COSTAR GROUP, INC.'s Common Stock Shares Outstanding has grown by 1,911.7%.
  • Historical annual values: Fiscal year 2025: 417.90 million shares | Fiscal year 2024: 409.50 million shares | Fiscal year 2023: 408.10 million shares | Fiscal year 2022: 406.70 million shares | Fiscal year 2021: 394.94 million shares | Fiscal year 2020: 394.29 million shares | Fiscal year 2019: 36.67 million shares | Fiscal year 2018: 36.45 million shares | Fiscal year 2017: 36.11 million shares | Fiscal year 2016: 32.51 million shares | Fiscal year 2015: 32.51 million shares | Fiscal year 2014: 32.32 million shares | Fiscal year 2013: 28.85 million shares | Fiscal year 2012: 28.35 million shares | Fiscal year 2011: 25.43 million shares | Fiscal year 2010: 20.77 million shares.
  • Data sourced from SEC EDGAR public filings as of June 22, 2026.

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