Steel Dynamics (STLD) - Market capitalization

Market cap: C$33.59 Billion

As of December 2025 Steel Dynamics has a market cap of C$33.59 Billion. 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	C$33.59 B	32.85%
2024	C$25.29 B	-0.22%
2023	C$25.34 B	8.9%
2022	C$23.27 B	48.27%
2021	C$15.69 B	58.73%
2020	C$9.88 B	3.7%
2019	C$9.53 B	3.45%
2018	C$9.21 B	-28.26%
2017	C$12.84 B	10.22%
2016	C$11.65 B	93.46%
2015	C$6.02 B	8.95%
2014	C$5.53 B	19.31%
2013	C$4.63 B	54.67%
2012	C$2.99 B	2.46%
2011	C$2.92 B	-26.5%
2010	C$3.98 B	-1.17%
2009	C$4.02 B	63.06%
2008	C$2.46 B	-56.33%
2007	C$5.65 B	54.34%
2006	C$3.66 B	105.24%
2005	C$1.78 B	-19.07%
2004	C$2.20 B	51.99%
2003	C$1.45 B	60.62%
2002	C$0.90 B	6.8%
2001	C$0.84 B	12.82%
2000	C$0.74 B	-31.96%
1999	C$1.10 B	24.11%
1998	C$0.88 B	-20.81%
1997	C$1.12 B	-10.44%
1996	C$1.25 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Steel Dynamics was reported to be:

C$33.33 Billion

by Nasdaq

C$33.59 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Nucor NUE	C$50.41 B	50.04%	🇺🇸 USA
Commercial Metals Company CMC	C$10.25 B	-69.47%	🇺🇸 USA
Gerdau GGB	C$9.53 B	-71.63%	🇧🇷 Brazil
Radius Recycling (Schnitzer Steel) RDUS	C$1.17 B	-96.51%	🇺🇸 USA
Grupo Simec SIMECB.MX	C$6.37 B	-81.04%	🇲🇽 Mexico
U.S. Steel X	C$17.15 B	-48.95%	🇺🇸 USA
Worthington Enterprises WOR	C$3.80 B	-88.69%	🇺🇸 USA
POSCO PKX	C$22.15 B	-34.06%	🇰🇷 S. Korea
ArcelorMittal MT	C$44.40 B	32.16%	🇱🇺 Luxembourg
Carpenter Technology CRS	C$21.15 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: C$33.59 Billion