As of December 2025 Smurfit Westrock has a market cap of C$26.01 Billion. This makes Smurfit Westrock the world's 1168th 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 7th, 2025 the market cap of Smurfit Westrock was reported to be: