Steel Dynamics (STLD) - Market capitalization

Market cap: C$46.10 Billion

As of October 2026 Steel Dynamics has a market cap of C$46.10 Billion. This makes Steel Dynamics the world's 751th 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	C$46.10 B	30.34%
2025	C$35.37 B	39.85%
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 Oct 1st, 2026 the market cap of Steel Dynamics was reported to be:

C$46.10 Billion

by Nasdaq

C$46.10 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Commercial Metals Company CMC	C$9.86 B	-78.60%	🇺🇸 USA
Nucor NUE	C$76.14 B	65.16%	🇺🇸 USA
ArcelorMittal MT	C$69.08 B	49.85%	🇱🇺 Luxembourg
Worthington Enterprises WOR	C$4.11 B	-91.07%	🇺🇸 USA
Radius Recycling RDUS	C$1.20 B	-97.38%	🇺🇸 USA
Grupo Simec SIMECB.MX	C$6.31 B	-86.30%	🇲🇽 Mexico
POSCO PKX	C$24.14 B	-47.62%	🇰🇷 S. Korea
U.S. Steel X	C$17.65 B	-61.70%	🇺🇸 USA
Gerdau GGB	C$13.41 B	-70.89%	🇧🇷 Brazil
Carpenter Technology CRS	C$27.04 B	-41.34%	🇺🇸 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$46.10 Billion