U.S. Steel (X) - Market capitalization

Last known market cap: C$17.15 Billion

As of December 2025 U.S. Steel has a market cap of C$17.15 Billion. This makes U.S. Steel the world's 1650th 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 U.S. Steel from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$17.15 B	70.48%
2024	C$10.06 B	-30.12%
2023	C$14.39 B	80.81%
2022	C$7.96 B	-2.89%
2021	C$8.20 B	73.99%
2020	C$4.71 B	85.98%
2019	C$2.53 B	-41.56%
2018	C$4.33 B	-43.99%
2017	C$7.74 B	1.2%
2016	C$7.65 B	372.45%
2015	C$1.61 B	-64.17%
2014	C$4.51 B	-0.52%
2013	C$4.54 B	32.77%
2012	C$3.42 B	-11.71%
2011	C$3.87 B	-53.81%
2010	C$8.39 B	0.92%
2009	C$8.31 B	58.11%
2008	C$5.25 B	-62.99%
2007	C$14.20 B	40.75%
2006	C$10.09 B	57.42%
2005	C$6.41 B	-8.62%
2004	C$7.01 B	49.02%
2003	C$4.70 B	121.75%
2002	C$2.12 B	-17.47%
2001	C$2.57 B	7.5%
2000	C$2.39 B	-43.1%
1999	C$4.20 B	34.69%
1998	C$3.12 B	-19.19%
1997	C$3.86 B	6.47%
1996	C$3.63 B

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Steel Dynamics STLD	C$33.59 B	95.87%	🇺🇸 USA
Worthington Enterprises WOR	C$3.80 B	-77.84%	🇺🇸 USA
POSCO PKX	C$22.15 B	29.16%	🇰🇷 S. Korea
ArcelorMittal MT	C$44.40 B	158.87%	🇱🇺 Luxembourg

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 U.S. Steel (X)

Last known market cap: C$17.15 Billion