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Below is a table of the CSGP shares outstanding history going back to 2/19/2010:
Also see: CSGP Market Cap History CSGP YTD Return |
CSGP Shares Outstanding History — CoStar Group Share Count Over Time
As of 4/27/2026 CoStar Group has 408.36 million CSGP shares outstanding. Investors often track the CSGP shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows CSGP share count trends over time, with 68 historical shares outstanding datapoints presented, dating back to 2/19/2010.
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CSGP Historical Shares Outstanding: +4.32% CAGR 
Mouse over chart for data details
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| CSGP Stock Price Chart |
| About CoStar Group, Inc. |
| CoStar Group, Inc. is a provider of online real estate marketplaces, information, and analytics in the property markets. It conducts expansive, ongoing research to produce and maintain a comprehensive database of real estate information. It manages its business in two segments: North America, which includes the U.S. and Canada, and International, which primarily includes Europe, Asia-Pacific and Latin America. Its portfolio of information, analytics and online marketplaces is branded and marketed to its customers and marketplace end users under the primary brands of CoStar, LoopNet, Apartments.com, Homes.com, OnTheMarket, Ten-X, STR, Land.com and BizBuySell. We show 68 historical shares outstanding datapoints in our coverage of CSGP's shares outstanding history. Understanding the changing numbers of CSGP shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like CSGP versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching CSGP by allowing them to research CSGP shares outstanding history as well as any other stock in our coverage universe. |
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| Video: Shares Outstanding Importance | |
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| CSGP Share Performance |
| Shares Outstanding Peers |
| CoStar Group (CSGP) is categorized under the Industrials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
CSLR Shares Outstanding History CSX Shares Outstanding History CTAS Shares Outstanding History CTEV Shares Outstanding History CTLP Shares Outstanding History CTRL Shares Outstanding History CTS Shares Outstanding History CVEO Shares Outstanding History CVLG Shares Outstanding History CVTI Shares Outstanding History More Industrials companies » |
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