As of January 2026 Smurfit Westrock has a market cap of ยฃ16.59 Billion. This makes Smurfit Westrock the world's 1058th 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 12th, 2026 the market cap of Smurfit Westrock was reported to be: