ArcelorMittal (MT) - Market capitalization

Market cap: A$51.23 Billion

As of December 2025 ArcelorMittal has a market cap of A$51.23 Billion. This makes ArcelorMittal the world's 689th 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	A$51.23 B	77.07%
2024	A$28.93 B	-15.38%
2023	A$34.19 B	8.77%
2022	A$31.44 B	-21.52%
2021	A$40.06 B	25.44%
2020	A$31.93 B	26.09%
2019	A$25.32 B	-15.16%
2018	A$29.85 B	-29.38%
2017	A$42.27 B	34.4%
2016	A$31.45 B	218.41%
2015	A$9.87 B	-55.78%
2014	A$22.33 B	-32.72%
2013	A$33.20 B	30.2%
2012	A$25.50 B	-57.23%
2011	A$59.62 B	1.76%
2010	A$58.59 B	-26.29%
2009	A$79.49 B	66.97%
2008	A$47.61 B	-62.14%
2007	A$125.77 B	68.82%
2006	A$74.49 B	194.05%
2005	A$25.33 B	-21.08%
2004	A$32.10 B	2109.87%
2003	A$1.45 B	200.3%
2002	A$0.48 B	11.08%
2001	A$0.43 B	-14.79%
2000	A$0.51 B	-83.6%
1999	A$3.11 B	93.87%
1998	A$1.60 B	-61.87%
1997	A$4.21 B

End of Day market cap according to different sources

On Dec 23rd, 2025 the market cap of ArcelorMittal was reported to be:

A$51.82 Billion

by Nasdaq

A$51.30 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
POSCO PKX	A$24.66 B	-51.86%	🇰🇷 S. Korea
Gerdau GGB	A$11.02 B	-78.49%	🇧🇷 Brazil
Nucor NUE	A$56.46 B	10.21%	🇺🇸 USA
U.S. Steel X	A$18.51 B	-63.87%	🇺🇸 USA
Ternium TX	A$11.16 B	-78.20%	🇱🇺 Luxembourg
Companhia Siderúrgica Nacional SID	A$3.20 B	-93.75%	🇧🇷 Brazil
Commercial Metals Company CMC	A$11.71 B	-77.14%	🇺🇸 USA
Vale VALE	A$83.89 B	63.74%	🇧🇷 Brazil
Cleveland-Cliffs CLF	A$11.67 B	-77.20%	🇺🇸 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: A$51.23 Billion