As of October 2026 Koppers Holdings has a market cap of โน74.51 Billion. This makes Koppers Holdings the world's 6712th 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 Oct 29th, 2026 the market cap of Koppers Holdings was reported to be: