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COSTAR GROUP, INC.
CSGP - CIK 0001057352
Market cap$13.33 B
Rank#790
SEC filings1,514
Market capitalization of COSTAR GROUP, INC.
As of 2026-06-12, COSTAR GROUP, INC. (CSGP) has a market capitalization of $13.33 B, making it the #790 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-12 | $13.33 B |
| 2026-06-11 | $13.73 B |
| 2026-06-10 | $13.98 B |
| 2026-05-29 | $13.37 B |
| 2026-05-28 | $13.20 B |
| 2026-05-26 | $13.61 B |
| 2026-05-25 | $13.86 B |
| 2026-05-24 | $13.86 B |
| 2026-05-22 | $13.86 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is COSTAR GROUP, INC.'s market cap?
As of 2026-06-12, COSTAR GROUP, INC. (CSGP) has a market capitalization of $13.33 B, making it the #790 most valuable US-listed company.
Where does COSTAR GROUP, INC. rank by market cap?
COSTAR GROUP, INC. is the #790 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.