As of August 2026 Owens Corning has a market cap of โฌ10.15 Billion. This makes Owens Corning the world's 1843th 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 Aug 4th, 2026 the market cap of Owens Corning was reported to be: