CoStar Group Market Cap

CoStar Group has a market cap or net worth of 154.91 billion as of November 13, 2025. Its market cap has decreased by -10.95% in one year.

Market Cap

154.91B

Enterprise Value

150.70B

Revenue

16.29B

Ranking

n/a

PE Ratio

1,431.91

Stock Price

3.62

Market Cap Chart

Since July 1, 1998, CoStar Group's market cap has increased from 61.16M to 154.91B, an increase of 253,203.06%. That is a compound annual growth rate of 33.13%.

Market Cap History

Date	Market Cap	% Change
Nov 12, 2025	154.91B	-14.66%
Dec 31, 2024	181.52B	4.83%
Dec 29, 2023	173.16B	4.22%
Dec 30, 2022	166.15B	-4.46%
Dec 31, 2021	173.90B	-8.09%
Dec 31, 2020	189.21B	114.75%
Dec 31, 2019	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
Dec 29, 2017	Upgrade Pro	Upgrade Pro
Dec 30, 2016	Upgrade Pro	Upgrade Pro
Dec 31, 2015	Upgrade Pro	Upgrade Pro

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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Market Cap Rankings