ArcelorMittal (MT) - Market capitalization

Market cap: C$44.57 Billion

As of December 2025 ArcelorMittal has a market cap of C$44.57 Billion. This makes ArcelorMittal the world's 725th 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 ArcelorMittal from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$44.57 B	72.58%
2024	C$25.82 B	-16.42%
2023	C$30.90 B	6.44%
2022	C$29.03 B	-21.56%
2021	C$37.01 B	18.21%
2020	C$31.31 B	35.19%
2019	C$23.16 B	-19.16%
2018	C$28.64 B	-30.96%
2017	C$41.49 B	36.18%
2016	C$30.47 B	205.22%
2015	C$9.98 B	-52.95%
2014	C$21.21 B	-32.7%
2013	C$31.52 B	19.64%
2012	C$26.35 B	-57.62%
2011	C$62.18 B	4.52%
2010	C$59.49 B	-20.82%
2009	C$75.13 B	83.98%
2008	C$40.84 B	-62.77%
2007	C$109.69 B	60.43%
2006	C$68.37 B	216.81%
2005	C$21.58 B	-27.67%
2004	C$29.83 B	2030.26%
2003	C$1.40 B	225.4%
2002	C$0.43 B	21.58%
2001	C$0.35 B	-17.3%
2000	C$0.42 B	-85.51%
1999	C$2.95 B	95.18%
1998	C$1.51 B	-61.44%
1997	C$3.92 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of ArcelorMittal was reported to be:

C$45.34 Billion

by Nasdaq

C$44.86 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
POSCO PKX	C$22.21 B	-50.16%	🇰🇷 S. Korea
Gerdau GGB	C$9.54 B	-78.58%	🇧🇷 Brazil
Nucor NUE	C$50.71 B	13.78%	🇺🇸 USA
U.S. Steel X	C$17.18 B	-61.45%	🇺🇸 USA
Ternium TX	C$10.42 B	-76.62%	🇱🇺 Luxembourg
Companhia Siderúrgica Nacional SID	C$3.01 B	-93.23%	🇧🇷 Brazil
Commercial Metals Company CMC	C$10.34 B	-76.80%	🇺🇸 USA
Vale VALE	C$76.05 B	70.63%	🇧🇷 Brazil
Cleveland-Cliffs CLF	C$9.61 B	-78.42%	🇺🇸 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 ArcelorMittal (MT)

Market cap: C$44.57 Billion