Westlake Basic Shares Outstanding 2012-2026 | WLK

Westlake annual/quarterly basic shares outstanding history and growth rate from 2012 to 2026. Basic shares outstanding can be defined as the number of shares held by shareholders including insiders but not including a company's treasury shares.
  • Westlake basic shares outstanding for the quarter ending March 31, 2026 were $0.128B, a 0.25% decline year-over-year.
  • Westlake basic shares outstanding for the twelve months ending March 31, 2026 were $0.513B, a 0.26% decline year-over-year.
  • Westlake annual basic shares outstanding for 2025 were $0.128B, a 0.21% decline from 2024.
  • Westlake annual basic shares outstanding for 2024 were $0.129B, a 0.57% increase from 2023.
  • Westlake annual basic shares outstanding for 2023 were $0.128B, a 0.13% decline from 2022.
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Westlake Annual Basic Shares Outstanding
(Millions of US $)
2025 $128
2024 $129
2023 $128
2022 $128
2021 $128
2020 $128
2019 $128
2018 $129
2017 $129
2016 $129
2015 $132
2014 $133
2013 $133
2012 $133
2011 $132
Westlake Quarterly Basic Shares Outstanding
(Millions of US $)
2026-03-31 $128
2025-12-31 $128
2025-09-30 $128
2025-06-30 $128
2025-03-31 $128
2024-12-31 $129
2024-09-30 $129
2024-06-30 $129
2024-03-31 $128
2023-12-31 $128
2023-09-30 $128
2023-06-30 $128
2023-03-31 $128
2022-12-31 $128
2022-09-30 $128
2022-06-30 $128
2022-03-31 $128
2021-12-31 $128
2021-09-30 $128
2021-06-30 $128
2021-03-31 $128
2020-12-31 $128
2020-09-30 $128
2020-06-30 $128
2020-03-31 $128
2019-12-31 $128
2019-09-30 $128
2019-06-30 $128
2019-03-31 $129
2018-12-31 $129
2018-09-30 $129
2018-06-30 $130
2018-03-31 $129
2017-12-31 $129
2017-09-30 $129
2017-06-30 $129
2017-03-31 $129
2016-12-31 $129
2016-09-30 $129
2016-06-30 $130
2016-03-31 $130
2015-12-31 $132
2015-09-30 $132
2015-06-30 $133
2015-03-31 $133
2014-12-31 $133
2014-09-30 $133
2014-06-30 $133
2014-03-31 $133
2013-12-31 $133
2013-09-30 $133
2013-06-30 $133
2013-03-31 $133
2012-12-31 $133
2012-09-30 $133
2012-06-30 $133
2012-03-31 $132
2011-12-31 $132
2011-09-30 $132
2011-06-30 $132
Sector Industry Market Cap Revenue
Consumer Discretionary Consumer Products - Misc. Discretionary $15.161B $11.170B
Westlake Corporation provide building blocks for vital solutions from housing and construction, to packaging and healthcare, to automotive and consumer. Westlake Corporation, formerly known as WESTLAKE CHEM, is based in HOUSTON.
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