Market capitalization of Costco (COST)

Market cap: HK$3.259 Trillion

As of February 2026 Costco has a market cap of HK$3.259 Trillion. This makes Costco the world's 24th 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.

Market cap history of Costco from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$3.259 T	8.04%
2025	HK$3.016 T	-6.84%
2024	HK$3.238 T	41.57%
2023	HK$2.287 T	44.5%
2022	HK$1.583 T	-19.35%
2021	HK$1.962 T	51.72%
2020	HK$1.293 T	27.95%
2019	HK$1.011 T	43.91%
2018	HK$702.68 B	10.05%
2017	HK$638.52 B	17.08%
2016	HK$545.35 B	-0.93%
2015	HK$550.48 B	13.66%
2014	HK$484.32 B	19.34%
2013	HK$405.82 B	21.73%
2012	HK$333.38 B	18.45%
2011	HK$281.45 B	14.74%
2010	HK$245.30 B	21.7%
2009	HK$201.56 B	14.68%
2008	HK$175.76 B	-25.67%
2007	HK$236.47 B	27.14%
2006	HK$185.98 B	2.48%
2005	HK$181.48 B	2.12%
2004	HK$177.71 B	34.62%
2003	HK$132.01 B	32.36%
2002	HK$99.74 B	-36.29%
2001	HK$156.56 B	12.17%
2000	HK$139.57 B	-11.38%
1999	HK$157.50 B	29.05%
1998	HK$122.04 B	64.7%
1997	HK$74.10 B	93.89%
1996	HK$38.21 B

End of Day market cap according to different sources

On Feb 1st, 2026 the market cap of Costco was reported to be:

HK$3.258 Trillion

by Nasdaq

HK$3.259 Trillion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Walmart WMT	HK$7.416 T	127.55%	🇺🇸 USA
Dollar General DG	HK$246.51 B	-92.44%	🇺🇸 USA
Dollar Tree DLTR	HK$187.27 B	-94.25%	🇺🇸 USA
Target TGT	HK$374.21 B	-88.52%	🇺🇸 USA
PriceSmart PSMT	HK$34.21 B	-98.95%	🇺🇸 USA
Five Below FIVE	HK$82.53 B	-97.47%	🇺🇸 USA
Big Lots BIG	HK$0.11 B	-100.00%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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