Trinseo (TSEOF) Shares Outstanding (Weighted Average) (2012 - 2026)

Trinseo (TSEOF) has 15 years of Shares Outstanding (Weighted Average) data on file, last reported at $36.2 million in Q1 2026.

• Quarterly Shares Outstanding (Weighted Average) rose 1.97% year-over-year to $36.2 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $36.2 million (up 1.97% YoY) and the FY2025 annual result came in at $35.8 million, up 1.42% from the prior year.
• Shares Outstanding (Weighted Average) rose to $36.2 million in Q1 2026 per TSEOF's latest filing, from $35.8 million in the prior quarter.
• Across five years, Shares Outstanding (Weighted Average) topped out at $37.3 million in Q1 2022 and bottomed at $35.0 million in Q1 2023.
• The 5-year median for Shares Outstanding (Weighted Average) is $35.5 million (2025), against an average of $35.7 million.
• The widest annual swing landed in 2022, when Shares Outstanding (Weighted Average) decreased 7.24%; it then increased 1.97% in 2026.
• Tracing TSEOF's Shares Outstanding (Weighted Average) over 5 years: stood at $35.9 million in 2022, then slipped by 1.67% to $35.3 million in 2023, then changed by 0.0% to $35.3 million in 2024, then increased by 1.42% to $35.8 million in 2025, then increased by 1.12% to $36.2 million in 2026.
• Per Business Quant, the three latest TSEOF Shares Outstanding (Weighted Average) figures stand at $36.2 million (Q1 2026), $35.8 million (Q4 2025), and $35.7 million (Q3 2025).

Peer Comparison