Steel Dynamics (STLD) - Market capitalization

Market cap: $28.59 Billion USD

As of February 2026 Steel Dynamics has a market cap of $28.59 Billion USD. This makes Steel Dynamics the world's 846th 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 Steel Dynamics from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	$28.59 B	10.7%
2025	$25.82 B	46.54%
2024	$17.62 B	-7.77%
2023	$19.11 B	11.41%
2022	$17.15 B	39.26%
2021	$12.31 B	58.81%
2020	$7.75 B	6.23%
2019	$7.30 B	7.9%
2018	$6.76 B	-33.78%
2017	$10.21 B	17.81%
2016	$8.67 B	99.7%
2015	$4.34 B	-8.86%
2014	$4.76 B	9.45%
2013	$4.35 B	44.48%
2012	$3.01 B	4.81%
2011	$2.87 B	-27.77%
2010	$3.98 B	4.03%
2009	$3.82 B	88.43%
2008	$2.03 B	-64.17%
2007	$5.66 B	80.13%
2006	$3.14 B	105.23%
2005	$1.53 B	-16.51%
2004	$1.83 B	64.16%
2003	$1.11 B	95.56%
2002	$0.57 B	7.73%
2001	$0.53 B	6.1%
2000	$0.50 B	-34.5%
1999	$0.76 B	32.31%
1998	$0.57 B	-26.41%
1997	$0.78 B	-14.15%
1996	$0.91 B

End of Day market cap according to different sources

On Feb 2nd, 2026 the market cap of Steel Dynamics was reported to be:

$27.24 Billion USD

by Nasdaq

$27.46 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Commercial Metals Company CMC	$9.07 B	-68.26%	🇺🇸 USA
Nucor NUE	$42.90 B	50.08%	🇺🇸 USA
ArcelorMittal MT	$43.73 B	52.98%	🇱🇺 Luxembourg
Worthington Enterprises WOR	$2.81 B	-90.17%	🇺🇸 USA
Radius Recycling RDUS	$0.84 B	-97.04%	🇺🇸 USA
Grupo Simec SIMECB.MX	$4.84 B	-83.06%	🇲🇽 Mexico
POSCO PKX	$18.75 B	-34.39%	🇰🇷 S. Korea
U.S. Steel X	$12.41 B	-56.57%	🇺🇸 USA
Gerdau GGB	$8.81 B	-69.16%	🇧🇷 Brazil
Carpenter Technology CRS	$17.09 B	-40.21%	🇺🇸 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 Steel Dynamics (STLD)

Market cap: $28.59 Billion USD