As of November 2026 Koppers Holdings has a market cap of โน53.22 Billion. This makes Koppers Holdings the world's 7300th 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 Nov 7th, 2026 the market cap of Koppers Holdings was reported to be: