Constellium (CSTM) - Market capitalization

Market cap: HK$19.92 Billion

As of December 2025 Constellium has a market cap of HK$19.92 Billion. This makes Constellium the world's 4247th 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 Constellium from 2013 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$19.92 B	72.2%
2024	HK$11.57 B	-49.44%
2023	HK$22.88 B	71.6%
2022	HK$13.33 B	-32.59%
2021	HK$19.78 B	30.35%
2020	HK$15.17 B	5.5%
2019	HK$14.38 B	93.27%
2018	HK$7.44 B	-36.47%
2017	HK$11.71 B	142.46%
2016	HK$4.83 B	-23.3%
2015	HK$6.30 B	-52.92%
2014	HK$13.38 B	-29.37%
2013	HK$18.95 B

End of Day market cap according to different sources

On Dec 14th, 2025 the market cap of Constellium was reported to be:

HK$19.67 Billion

by Nasdaq

HK$19.92 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alcoa AA	HK$92.98 B	366.64%	🇺🇸 USA
Kaiser Aluminum KALU	HK$13.71 B	-31.14%	🇺🇸 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 Constellium (CSTM)

Market cap: HK$19.92 Billion