Steel Dynamics (STLD) - Market capitalization

Market cap: $24.32 Billion USD

As of December 2025 Steel Dynamics has a market cap of $24.32 Billion USD. This makes Steel Dynamics the world's 939th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	$24.32 B	37.99%
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 Dec 5th, 2025 the market cap of Steel Dynamics was reported to be:

$24.12 Billion USD

by Nasdaq

$24.32 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Nucor NUE	$36.49 B	50.04%	🇺🇸 USA
Commercial Metals Company CMC	$7.42 B	-69.47%	🇺🇸 USA
Gerdau GGB	$6.90 B	-71.63%	🇧🇷 Brazil
Radius Recycling (Schnitzer Steel) RDUS	$0.84 B	-96.51%	🇺🇸 USA
Grupo Simec SIMECB.MX	$4.61 B	-81.04%	🇲🇽 Mexico
U.S. Steel X	$12.41 B	-48.95%	🇺🇸 USA
Worthington Enterprises WOR	$2.75 B	-88.69%	🇺🇸 USA
POSCO PKX	$16.03 B	-34.06%	🇰🇷 S. Korea
ArcelorMittal MT	$32.14 B	32.16%	🇱🇺 Luxembourg
Carpenter Technology CRS	$15.30 B	-37.05%	🇺🇸 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: $24.32 Billion USD