As of April 2025 Steel Dynamics has a market cap of $18.58 Billion USD. This makes Steel Dynamics the world's 1020th 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 Apr 1st, 2025 the market cap of Steel Dynamics was reported to be: