As of February 2026 NewMarket Corp has a market cap of โน575.43 Billion. This makes NewMarket Corp the world's 2717th 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 Feb 2nd, 2026 the market cap of NewMarket Corp was reported to be: