As of December 2025 Smurfit Westrock has a market cap of ยฃ13.85 Billion. This makes Smurfit Westrock the world's 1186th 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 Dec 9th, 2025 the market cap of Smurfit Westrock was reported to be: