Seagate Technology (STX) - Market capitalization

Market cap: HK$666.92 Billion

As of March 2026 Seagate Technology has a market cap of HK$666.92 Billion. This makes Seagate Technology the world's 251th 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 Seagate Technology from 2002 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$666.92 B	37.45%
2025	HK$485.19 B	238.09%
2024	HK$143.51 B	2.9%
2023	HK$139.47 B	64.35%
2022	HK$84.86 B	-56.11%
2021	HK$193.34 B	56.16%
2020	HK$123.80 B	1.7%
2019	HK$121.73 B	42.28%
2018	HK$85.56 B	-8.02%
2017	HK$93.02 B	6.48%
2016	HK$87.36 B	2.82%
2015	HK$84.96 B	-49.66%
2014	HK$168.79 B	18%
2013	HK$143.04 B	69.69%
2012	HK$84.29 B	42.36%
2011	HK$59.21 B	11.75%
2010	HK$52.98 B	-24.55%
2009	HK$70.23 B	320.13%
2008	HK$16.71 B	-84.05%
2007	HK$104.77 B	-8.4%
2006	HK$114.38 B	52.8%
2005	HK$74.85 B	19.18%
2004	HK$62.80 B	0.53%
2003	HK$62.47 B	75.07%
2002	HK$35.68 B

End of Day market cap according to different sources

On Mar 28th, 2026 the market cap of Seagate Technology was reported to be:

HK$649.20 Billion

by Nasdaq

HK$666.92 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Microsoft MSFT	HK$20.769 T	3,014.26%	🇺🇸 USA
HP HPQ	HK$139.78 B	-79.04%	🇺🇸 USA
NetApp NTAP	HK$158.76 B	-76.19%	🇺🇸 USA
Western Digital WDC	HK$737.36 B	10.56%	🇺🇸 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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Market capitalization of Seagate Technology (STX)

Market cap: HK$666.92 Billion