As of January 2026 Trinseo has a market cap of โน2.68 Billion. This makes Trinseo the world's 10041th 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 8th, 2026 the market cap of Trinseo was reported to be: