As of March 2026 Steel Dynamics has a market cap of S$30.67 Billion. This makes Steel Dynamics the world's 957th 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.
On Mar 21st, 2026 the market cap of Steel Dynamics was reported to be: