CoStar Group Inc. (CSGP)
NASDAQ: CSGP
· Real-Time Price · USD
89.10
1.24 (1.41%)
At close: Sep 04, 2025, 3:59 PM
89.13
0.03%
After-hours: Sep 04, 2025, 07:28 PM EDT
CoStar Market Cap
CoStar has a market cap or net worth of 37.75B as of Sep 5, 2025. Its market cap has increased by 22.21% in one year.
Market Cap Chart
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 03, 2025 | 36.87B | 25.45% |
| Dec 31, 2024 | 29.39B | -17.13% |
| Dec 29, 2023 | 35.46B | 13.53% |
| Dec 30, 2022 | 31.24B | 0.6% |
| Dec 31, 2021 | 31.05B | -14.21% |
| Dec 31, 2020 | 36.19B | 65.87% |
| Dec 31, 2019 | 21.82B | 78.52% |
| Dec 31, 2018 | 12.22B | 15.36% |
| Dec 29, 2017 | 10.6B | 74.49% |
| Dec 30, 2016 | 6.07B | -8.44% |
| Dec 31, 2015 | 6.63B | 13.48% |
| Dec 31, 2014 | 5.84B | 11.97% |
| Dec 31, 2013 | 5.22B | 118.02% |
| Dec 31, 2012 | 2.39B | 43.51% |
| Dec 30, 2011 | 1.67B | 41.06% |
| Dec 31, 2010 | 1.18B | 39.72% |
| Dec 31, 2009 | 846.41M | 32.15% |
| Dec 31, 2008 | 640.5M | -29.39% |
| Dec 31, 2007 | 907.04M | -10.14% |
| Dec 29, 2006 | 1.01B | 25.34% |
| Dec 30, 2005 | 805.33M | -4.84% |
| Dec 31, 2004 | 846.29M | 12.99% |
| Dec 31, 2003 | 748.97M | 156.01% |
| Dec 31, 2002 | 292.56M | -22.46% |
| Dec 31, 2001 | 377.28M | 3.73% |
| Dec 29, 2000 | 363.7M | -28.93% |
| Dec 31, 1999 | 511.72M | 306.13% |
| Dec 31, 1998 | 126M | n/a |