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COSTCO WHOLESALE CORP /NEW
COST - Company ID 0000909832
Market cap$404.87 B
Rank#31
Filings1,001
Market capitalization of COSTCO WHOLESALE CORP /NEW
As of 2026-07-09, COSTCO WHOLESALE CORP /NEW (COST) has a market capitalization of $404.87 B, making it the #31 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-09 | $404.87 B |
| 2026-07-08 | $422.86 B |
| 2026-07-07 | $420.36 B |
| 2026-07-06 | $419.26 B |
| 2026-07-05 | $422.21 B |
| 2026-07-04 | $422.21 B |
| 2026-07-03 | $422.21 B |
| 2026-07-02 | $421.34 B |
| 2026-07-01 | $410.23 B |
| 2026-06-30 | $417.91 B |
| 2026-06-29 | $420.33 B |
| 2026-06-28 | $422.60 B |
Market Cap of similar companies
Frequently asked questions
What is COSTCO WHOLESALE CORP /NEW's market cap?
As of 2026-07-09, COSTCO WHOLESALE CORP /NEW (COST) has a market capitalization of $404.87 B, making it the #31 most valuable US-listed company.
Where does COSTCO WHOLESALE CORP /NEW rank by market cap?
COSTCO WHOLESALE CORP /NEW is the #31 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.