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COSTCO WHOLESALE CORP /NEW
COST - Company ID 0000909832
Market cap$406.11 B
Rank#30
Filings1,001
Market capitalization of COSTCO WHOLESALE CORP /NEW
As of 2026-09-07, COSTCO WHOLESALE CORP /NEW (COST) has a market capitalization of $406.11 B, making it the #30 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-07 | $406.11 B |
| 2026-09-06 | $406.11 B |
| 2026-09-05 | $406.11 B |
| 2026-09-04 | $406.11 B |
| 2026-09-03 | $410.40 B |
| 2026-09-02 | $411.76 B |
| 2026-09-01 | $416.85 B |
| 2026-08-31 | $418.60 B |
| 2026-08-30 | $419.30 B |
| 2026-08-29 | $419.30 B |
| 2026-08-28 | $419.30 B |
| 2026-08-27 | $416.26 B |
Market Cap of similar companies
Frequently asked questions
What is COSTCO WHOLESALE CORP /NEW's market cap?
As of 2026-09-07, COSTCO WHOLESALE CORP /NEW (COST) has a market capitalization of $406.11 B, making it the #30 most valuable US-listed company.
Where does COSTCO WHOLESALE CORP /NEW rank by market cap?
COSTCO WHOLESALE CORP /NEW is the #30 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.