CoStar Group (CSGP) - Shares outstanding

Number of shares outstanding as of December 2025 : 419,900,000

According to CoStar Group's latest financial reports and stock price the company's current number of shares outstanding is 419,900,000. At the end of 2025 the company had 419,900,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for CoStar Group from 2021 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.41 B	3.19%
2024	0.40 B	0.27%
2023	0.40 B	0.4%
2022	0.40 B	2.97%
2021	0.39 B

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
TechTarget TTGT	71,756,180	-82.91%	🇺🇸 USA
Movano MOVE	7,793,900	-98.14%	🇺🇸 USA
Accenture ACN	622,635,814	48.28%	🇮🇪 Ireland
Magellan Health MGLN	24,969,000	-94.05%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Number of shares outstanding for CoStar Group (CSGP)

Number of shares outstanding as of December 2025 : 419,900,000