As of December 2025 Nucor has a market cap of โน3.364 Trillion. This makes Nucor the world's 626th 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 Dec 15th, 2025 the market cap of Nucor was reported to be: