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COSTAR GROUP, INC.
CSGP - Company ID 0001057352
Market cap$12.08 B
Rank#840
Filings1,514
Market capitalization of COSTAR GROUP, INC.
As of 2026-09-10, COSTAR GROUP, INC. (CSGP) has a market capitalization of $12.08 B, making it the #840 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-10 | $12.08 B |
| 2026-09-09 | $12.08 B |
| 2026-09-08 | $12.39 B |
| 2026-09-07 | $12.62 B |
| 2026-09-06 | $12.62 B |
| 2026-09-05 | $12.62 B |
| 2026-09-04 | $12.67 B |
| 2026-09-03 | $12.94 B |
| 2026-09-02 | $12.85 B |
| 2026-09-01 | $13.06 B |
| 2026-08-31 | $13.26 B |
| 2026-08-30 | $13.16 B |
Market Cap of similar companies
Frequently asked questions
What is COSTAR GROUP, INC.'s market cap?
As of 2026-09-10, COSTAR GROUP, INC. (CSGP) has a market capitalization of $12.08 B, making it the #840 most valuable US-listed company.
Where does COSTAR GROUP, INC. rank by market cap?
COSTAR GROUP, INC. is the #840 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.