Costco Wholesale Corporation (COST)
NASDAQ: COST · Real-Time Price · USD
972.33
-2.45 (-0.25%)
At close: Mar 20, 2026, 4:00 PM EDT
974.16
+1.83 (0.19%)
After-hours: Mar 20, 2026, 7:59 PM EDT

Costco Market Cap

Costco has a market cap or net worth of $431.38 billion as of March 20, 2026. Its market cap has decreased by -5.34% in one year.

Market Cap
431.38B
Enterprise Value
421.47B
1-Year Change
-5.34%
Ranking
Category
Stock Price
$972.33

Market Cap Chart

Since December 1, 1998, Costco's market cap has increased from $13.65B to $431.38B, an increase of 3,060.08%. That is a compound annual growth rate of 13.47%.

History

DateMarket Cap% Change
Mar 20, 2026431.38B12.70%
Dec 31, 2025382.77B-5.89%
Dec 31, 2024406.73B38.87%
Dec 29, 2023292.90B44.60%
Dec 30, 2022202.56B-19.53%
Dec 31, 2021251.74B50.83%
Dec 31, 2020166.90B28.54%
Dec 31, 2019129.84B44.70%
Dec 31, 201889.73B9.80%
Dec 29, 201781.73B16.21%
Dec 30, 201670.33B-0.98%
Dec 31, 201571.02B13.74%
Dec 31, 201462.44B19.31%
Dec 31, 201352.34B21.68%
Dec 31, 201243.01B18.69%
Dec 30, 201136.24B14.96%
Dec 31, 201031.52B21.26%
Dec 31, 200926.00B14.29%
Dec 31, 200822.75B-25.00%
Dec 31, 200730.33B26.82%
Dec 29, 200623.91B2.17%
Dec 30, 200523.41B2.36%
Dec 31, 200422.87B34.37%
Dec 31, 200317.02B33.07%
Dec 31, 200212.79B-36.30%
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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding
Full Definition