As of December 2024 CoStar Group has a market cap of $29.28 Billion USD. This makes CoStar Group the world's 673th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 20th, 2024 the market cap of CoStar Group was reported to be: