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COSTAR GROUP, INC.
CSGP - Company ID 0001057352
Market cap$12.29 B
Rank#819
Filings1,514
Market capitalization of COSTAR GROUP, INC.
As of 2026-11-06, COSTAR GROUP, INC. (CSGP) has a market capitalization of $12.29 B, making it the #819 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-11-06 | $12.29 B |
| 2026-11-05 | $12.56 B |
| 2026-11-04 | $13.21 B |
| 2026-11-03 | $12.60 B |
| 2026-11-02 | $12.90 B |
| 2026-11-01 | $12.32 B |
| 2026-10-31 | $12.32 B |
| 2026-10-30 | $12.12 B |
| 2026-10-29 | $11.57 B |
| 2026-10-28 | $11.25 B |
| 2026-10-27 | $13.07 B |
| 2026-10-26 | $13.76 B |
Market Cap of similar companies
Frequently asked questions
What is COSTAR GROUP, INC.'s market cap?
As of 2026-11-06, COSTAR GROUP, INC. (CSGP) has a market capitalization of $12.29 B, making it the #819 most valuable US-listed company.
Where does COSTAR GROUP, INC. rank by market cap?
COSTAR GROUP, INC. is the #819 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.