CoStar Group, Inc. (CSGP)
NASDAQ: CSGP · Real-Time Price · USD
75.58
-1.95 (-2.52%)
At close: Oct 10, 2025, 4:00 PM EDT
75.30
-0.28 (-0.37%)
After-hours: Oct 10, 2025, 7:59 PM EDT

CoStar Group Market Cap

CoStar Group has a market cap or net worth of $32.02 billion as of October 10, 2025. Its market cap has increased by 6.01% in one year.

Market Cap
32.02B
Enterprise Value
29.20B
1-Year Change
6.01%
Ranking
Category
Stock Price
$75.58

Market Cap Chart

Since December 1, 1998, CoStar Group's market cap has increased from $74.60M to $32.02B, an increase of 42,821.57%. That is a compound annual growth rate of 25.30%.

History

DateMarket Cap% Change
Oct 10, 202532.02B9.10%
Dec 31, 202429.35B-17.76%
Dec 29, 202335.69B13.55%
Dec 30, 202231.43B0.70%
Dec 31, 202131.21B-14.33%
Dec 31, 202036.43B66.22%
Dec 31, 201921.92B78.41%
Dec 31, 201812.29B14.46%
Dec 29, 201710.73B74.71%
Dec 30, 20166.14B-8.51%
Dec 31, 20156.72B13.04%
Dec 31, 20145.94B11.92%
Dec 31, 20135.31B110.16%
Dec 31, 20122.53B49.38%
Dec 30, 20111.69B41.59%
Dec 31, 20101.19B38.96%
Dec 31, 2009859.30M32.20%
Dec 31, 2008650.00M-28.67%
Dec 31, 2007911.30M-10.14%
Dec 29, 20061.01B26.18%
Dec 30, 2005803.70M-4.89%
Dec 31, 2004845.00M15.25%
Dec 31, 2003733.20M151.61%
Dec 31, 2002291.40M-22.66%
Dec 31, 2001376.80M3.37%
View and export this data all the way back to 1998. Sign Up Today.

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding
Full Definition

Related Stocks

CompanyMarket Cap
Welltower111.87B
Prologis108.21B
American Tower86.78B
Equinix79.11B
Simon Property Group67.46B
Digital Realty Trust60.85B
Realty Income53.79B
Public Storage51.73B
Market Cap Rankings