COSTAR GROUP, INC. (CSGP) — Shares Outstanding

Annual figures by fiscal year, from SEC filings.

2009: 19.93M2010: 20.71M2011: 23.53M2012: 26.95M2013: 28.21M2014: 30.64M2015: 31.95M2016: 32.44M2017: 33.56M2018: 36.45M2019: 366.30M2020: 383.27M2021: 394.20M2022: 397.80M2023: 406.90M2024: 407.80M2025: 420.70M420.70M
2009Shares Outstanding (shares)2025
Fiscal YearShares OutstandingChange YoY
2025420.70M+3.2%
2024407.80M+0.2%
2023406.90M+2.3%
2022397.80M+0.9%
2021394.20M+2.9%
2020383.27M+4.6%
2019366.30M+905.0%
201836.45M+8.6%
201733.56M+3.5%
201632.44M+1.5%
201531.95M+4.3%
201430.64M+8.6%
201328.21M+4.7%
201226.95M+14.5%
201123.53M+13.6%
201020.71M+3.9%
200919.93M