As of December 2025 Smurfit Westrock has a market cap of โน1.819 Trillion. This makes Smurfit Westrock the world's 1104th 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 18th, 2025 the market cap of Smurfit Westrock was reported to be: