Constellium (CSTM) - Market capitalization

Market cap: NZ$6.05 Billion

As of September 2026 Constellium has a market cap of NZ$6.05 Billion. This makes Constellium the world's 3903th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$6.05 B	32.56%
2025	NZ$4.56 B	72.76%
2024	NZ$2.64 B	-42.97%
2023	NZ$4.63 B	72.35%
2022	NZ$2.68 B	-27.62%
2021	NZ$3.71 B	36.89%
2020	NZ$2.71 B	-1.07%
2019	NZ$2.74 B	93.55%
2018	NZ$1.41 B	-32.89%
2017	NZ$2.11 B	134.72%
2016	NZ$0.89 B	-24.26%
2015	NZ$1.18 B	-46.06%
2014	NZ$2.20 B	-25.95%
2013	NZ$2.97 B

End of Day market cap according to different sources

On Aug 31st, 2026 the market cap of Constellium was reported to be:

NZ$6.05 Billion

by Nasdaq

NZ$6.05 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Kaiser Aluminum KALU	NZ$4.38 B	-27.53%	🇺🇸 USA
Alcoa AA	NZ$22.27 B	268.01%	🇺🇸 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: NZ$6.05 Billion