Westlake (WLK) Shares Outstanding (Diluted Average) (2010 - 2026)

Westlake has reported Shares Outstanding (Diluted Average) for 17 years, with the latest figure at $128.0 million in Q1 2026.

• For the quarter ending Q1 2026, Shares Outstanding (Diluted Average) changed 0.25% year-over-year to $128.0 million; the trailing twelve-month figure through Mar 2026 stood at $128.0 million (changed 0.25% YoY), and the FY2025 full-year result was $128.3 million, down 0.73% from the prior year.
• Shares Outstanding (Diluted Average) for Q1 2026 stood at $128.0 million, roughly flat from $128.3 million in the prior quarter.
• The five-year high for Shares Outstanding (Diluted Average) was $129.4 million in Q2 2024, with the low at $128.0 million in Q1 2026.
• Average Shares Outstanding (Diluted Average) over 5 years is $128.7 million, with a median of $128.6 million recorded in 2023.
• Year-over-year, Shares Outstanding (Diluted Average) gained 0.67% in 2024 and declined 0.86% in 2025.
• Tracing WLK's Shares Outstanding (Diluted Average) over 5 years: stood at $128.8 million in 2022, then decreased by 0.19% to $128.6 million in 2023, then increased by 0.47% to $129.2 million in 2024, then dropped by 0.73% to $128.3 million in 2025, then fell by 0.21% to $128.0 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $128.0 million (Q1 2026), $128.3 million (Q4 2025), and $128.3 million (Q3 2025), per Business Quant data.

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