Trinseo (TSE) - Market capitalization

Market cap: C$34.92 Million

As of December 2025 Trinseo has a market cap of C$34.92 Million. This makes Trinseo the world's 10096th 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.

Market cap history of Trinseo from 2014 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$34.92 M	-86.7%
2024	C$0.26 B	-32.78%
2023	C$0.39 B	-63.75%
2022	C$1.07 B	-58.49%
2021	C$2.59 B	3.56%
2020	C$2.50 B	32.29%
2019	C$1.89 B	-26.94%
2018	C$2.59 B	-34.97%
2017	C$3.98 B	12.11%
2016	C$3.55 B	86.49%
2015	C$1.90 B	93.21%
2014	C$0.98 B

End of Day market cap according to different sources

On Dec 8th, 2025 the market cap of Trinseo was reported to be:

C$31.48 Million

by Nasdaq

C$31.5 Million

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Kraton KRA	C$2.07 B	5,843.66%	🇺🇸 USA
Dow DOW	C$22.79 B	65,169.04%	🇺🇸 USA
Westlake Chemical WLK	C$12.18 B	34,797.45%	🇺🇸 USA
Celanese CE	C$6.11 B	17,403.04%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Trinseo (TSE)

Market cap: C$34.92 Million