Alexion Pharmaceuticals (ALXN) - Market capitalization

Last known market cap: HK$315.38 Billion

As of February 2026 Alexion Pharmaceuticals has a market cap of HK$315.38 Billion. This makes Alexion Pharmaceuticals the world's 630th 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 Alexion Pharmaceuticals from 2001 to 2021

End of year Market Cap

Year	Marketcap	Change
2021	HK$314.52 B	18.73%
2020	HK$264.91 B	42.12%
2019	HK$186.39 B	9.39%
2018	HK$170.40 B	-18.37%
2017	HK$208.74 B	-1.75%
2016	HK$212.45 B	-36.31%
2015	HK$333.60 B	16.78%
2014	HK$285.68 B	40.76%
2013	HK$202.94 B	43.47%
2012	HK$141.46 B	37.58%
2011	HK$102.81 B	79.27%
2010	HK$57.35 B	70.24%
2009	HK$33.68 B	54.59%
2008	HK$21.79 B	-1.49%
2007	HK$22.12 B	98.32%
2006	HK$11.15 B	129.71%
2005	HK$4.85 B	-10.87%
2004	HK$5.44 B	88.74%
2003	HK$2.88 B	43.99%
2002	HK$2.00 B	-41.94%
2001	HK$3.45 B

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 Alexion Pharmaceuticals (ALXN)