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Westlake (WLK) Shares Outstanding (Diluted Average) (2016 - 2025)

Westlake has reported Shares Outstanding (Diluted Average) over the past 16 years, most recently at $128.3 million for Q4 2025.

  • Quarterly results put Shares Outstanding (Diluted Average) at $128.3 million for Q4 2025, down 0.73% from a year ago — trailing twelve months through Dec 2025 was $128.3 million (down 0.73% YoY), and the annual figure for FY2025 was $128.3 million, down 0.73%.
  • Shares Outstanding (Diluted Average) for Q4 2025 was $128.3 million at Westlake, roughly flat from $128.3 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Diluted Average) for WLK hit a ceiling of $129.2 million in Q3 2024 and a floor of $128.3 million in Q3 2025.
  • Median Shares Outstanding (Diluted Average) over the past 5 years was $128.7 million (2021), compared with a mean of $128.7 million.
  • Biggest five-year swings in Shares Outstanding (Diluted Average): rose 0.82% in 2021 and later decreased 0.76% in 2025.
  • Westlake's Shares Outstanding (Diluted Average) stood at $128.7 million in 2021, then grew by 0.11% to $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.
  • The last three reported values for Shares Outstanding (Diluted Average) were $128.3 million (Q4 2025), $128.3 million (Q3 2025), and $128.3 million (Q2 2025) per Business Quant data.