Market capitalization of ArcelorMittal (MT)

Market cap: €43.04 Billion

As of October 2026 ArcelorMittal has a market cap of €43.04 Billion. This makes ArcelorMittal the world's 507th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	€43.04 B	43.76%
2025	€29.94 B	73.14%
2024	€17.29 B	-17.94%
2023	€21.07 B	5.67%
2022	€19.94 B	-22.22%
2021	€25.64 B	28.45%
2020	€19.96 B	26.12%
2019	€15.83 B	-13.89%
2018	€18.38 B	-33.16%
2017	€27.50 B	27.61%
2016	€21.55 B	227.51%
2015	€6.58 B	-56.22%
2014	€15.03 B	-29.9%
2013	€21.44 B	7.05%
2012	€20.03 B	-57.44%
2011	€47.07 B	5.21%
2010	€44.74 B	-10.23%
2009	€49.84 B	107.45%
2008	€24.02 B	-68.09%
2007	€75.30 B	69.2%
2006	€44.50 B	184.41%
2005	€15.64 B	-14.55%
2004	€18.31 B	2035.34%
2003	€0.85 B	228.96%
2002	€0.26 B	3.6%
2001	€0.25 B	-17.03%
2000	€0.30 B	-85.1%
1999	€2.03 B	145.37%
1998	€0.82 B	-64.16%
1997	€2.31 B

End of Day market cap according to different sources

On Oct 9th, 2026 the market cap of ArcelorMittal was reported to be:

€43.55 Billion

by Nasdaq

€43.04 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Commercial Metals Company CMC	€6.30 B	-85.35%	🇺🇸 USA
Nucor NUE	€50.68 B	17.73%	🇺🇸 USA
POSCO PKX	€15.51 B	-63.96%	🇰🇷 S. Korea
Ternium TX	€10.19 B	-76.32%	🇱🇺 Luxembourg
Vale VALE	€51.72 B	20.16%	🇧🇷 Brazil
U.S. Steel X	€11.08 B	-74.26%	🇺🇸 USA
Companhia Siderúrgica Nacional SID	€1.51 B	-96.48%	🇧🇷 Brazil
Gerdau GGB	€8.96 B	-79.18%	🇧🇷 Brazil
Cleveland-Cliffs CLF	€6.60 B	-84.65%	🇺🇸 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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