Costco Wholesale
COSTNasdaq United StatesConsumer DiscretionaryDepartment/Specialty Retail Stores
Market cap
$419.608 B
$946.92 -0.10%
Close of 12 Oct 2026
As of 12 Oct 2026, Costco Wholesale (COST) has a market capitalization of $419.6B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$275.2B
#11 by revenue
Earnings
$8.10B
#58 by earnings
Shares outstanding
443,129,349
Latest filing cover page
P/E ratio
51.8
Cap ÷ net income
Department/Specialty Retail Stores, ranked by market cap
All 13 →- #1WalmartWMT$883.4B
- #2Costco WholesaleCOST$419.6B
- #3TargetTGT$69.8B
- #4Dollar GeneralDG$28.1B
- #5Dollar TreeDLTR$22.3B
What if Costco Wholesale were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Costco Wholesale are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 13 Oct 2026. Read the methodology.