Trinseo (TSEOQ) Market Capitalization (2014 - 2026)

Trinseo (TSEOQ) has reported Market Capitalization for 13 consecutive years, with $366000.0 the latest figure, recorded in Q2 2026.

• On a quarterly basis, Market Capitalization fell 99.67% year-over-year to $366000.0 in Q2 2026; TTM through Jun 2026 was $366000.0, a 99.67% decrease from a year earlier, with the FY2025 full-year figure at $18.0 million, down 90.03% from the prior year.
• Market Capitalization was $366000.0 for Q2 2026 at Trinseo, down from $3.7 million in the prior quarter.
• Over five years, Market Capitalization peaked at $1.8 billion in Q1 2022 and troughed at $366000.0 in Q2 2026.
• A 5-year average of $406.0 million and a median of $180.7 million in 2024 frame the typical range for Market Capitalization.
• Across the five-year window, Market Capitalization jumped 37.35% in 2025 and plunged 99.67% in 2026, its largest moves.
• Over 5 years, Market Capitalization stood at $797.1 million in 2022, then plunged by 63.04% to $294.6 million in 2023, then tumbled by 38.72% to $180.5 million in 2024, then plunged by 90.03% to $18.0 million in 2025, then plunged by 97.97% to $366000.0 in 2026.
• The last three Market Capitalization figures came in at $366000.0 (Q2 2026), $3.7 million (Q1 2026), and $18.0 million (Q4 2025), per Business Quant data.