Costco Wholesale Corporation is an American wholesale chain with headquarters in Issaquah near Seattle, Washington State.
As of March 2025 Costco has a market cap of A$744.83 Billion. This makes Costco the world's 19th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Mar 2nd, 2025 the market cap of Costco was reported to be: