As of January 2026 Quanex Building Products has a market cap of โน76.27 Billion. This makes Quanex Building Products the world's 6298th 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 Jan 20th, 2026 the market cap of Quanex Building Products was reported to be: