As of January 2026 Smurfit Westrock has a market cap of S$28.88 Billion. This makes Smurfit Westrock the world's 1045th 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 9th, 2026 the market cap of Smurfit Westrock was reported to be: