Kaiser Aluminum (KALU) - Market capitalization

Market cap: C$2.33 Billion

As of December 2025 Kaiser Aluminum has a market cap of C$2.33 Billion. This makes Kaiser Aluminum the world's 4973th 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 Kaiser Aluminum from 2006 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$2.33 B	45.78%
2024	C$1.60 B	5.83%
2023	C$1.51 B	-7.97%
2022	C$1.64 B	-13.48%
2021	C$1.89 B	-4.76%
2020	C$1.99 B	-13.24%
2019	C$2.29 B	16.39%
2018	C$1.97 B	-13.04%
2017	C$2.27 B	21.45%
2016	C$1.86 B	-10.76%
2015	C$2.09 B	43.55%
2014	C$1.45 B	7.57%
2013	C$1.35 B	14.53%
2012	C$1.18 B	31.57%
2011	C$0.90 B	-6.4%
2010	C$0.96 B	8.35%
2009	C$0.88 B	61.78%
2008	C$0.54 B	-66.36%
2007	C$1.63 B	19.88%
2006	C$1.36 B

End of Day market cap according to different sources

On Dec 9th, 2025 the market cap of Kaiser Aluminum was reported to be:

C$2.33 Billion

by Nasdaq

C$2.33 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alcoa AA	C$15.59 B	568.55%	🇺🇸 USA
Aluminum Corporation of China 601600.SS	C$35.87 B	1,437.87%	🇨🇳 China
Century Aluminum CENX	C$3.92 B	68.08%	🇺🇸 USA
Constellium CSTM	C$3.36 B	44.03%	🇫🇷 France

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 Kaiser Aluminum (KALU)

Market cap: C$2.33 Billion