CoStar Group, Inc. (CSGP)
NASDAQ: CSGP · Real-Time Price · USD
78.12
+0.23 (0.30%)
At close: Oct 27, 2025, 4:00 PM EDT
78.11
-0.01 (-0.01%)
After-hours: Oct 27, 2025, 6:53 PM EDT

CoStar Group Market Cap

CoStar Group has a market cap or net worth of $33.1 billion as of October 27, 2025. Its market cap has increased by 7.92% in one year.

Market Cap
33.10B
Enterprise Value
30.27B
1-Year Change
7.92%
Ranking
Category
Stock Price
$78.12

Market Cap Chart

Since December 1, 1998, CoStar Group's market cap has increased from $74.60M to $33.10B, an increase of 44,264.03%. That is a compound annual growth rate of 25.41%.

History

DateMarket Cap% Change
Oct 27, 202533.10B12.77%
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%
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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

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