Westlake Shares Outstanding 2012-2026 | WLK

Westlake shares outstanding history from 2012 to 2026. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • Westlake shares outstanding for the quarter ending June 30, 2026 were 0.129B, a 0.2% increase year-over-year.
  • Westlake 2025 shares outstanding were 0.128B, a 0.73% decline from 2024.
  • Westlake 2024 shares outstanding were 0.129B, a 0.47% increase from 2023.
  • Westlake 2023 shares outstanding were 0.129B, a 0.19% decline from 2022.
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Westlake Annual Shares Outstanding
(Millions of Shares)
2025 128
2024 129
2023 129
2022 129
2021 129
2020 128
2019 129
2018 130
2017 130
2016 130
2015 132
2014 134
2013 134
2012 133
2011 133
Westlake Quarterly Shares Outstanding
(Millions of Shares)
2026-06-30 129
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
2024-03-31 129
2023-12-31 129
2023-09-30 129
2023-06-30 128
2023-03-31 128
2022-12-31 129
2022-09-30 129
2022-06-30 129
2022-03-31 129
2021-12-31 129
2021-09-30 129
2021-06-30 129
2021-03-31 128
2020-12-31 128
2020-09-30 128
2020-06-30 128
2020-03-31 128
2019-12-31 129
2019-09-30 129
2019-06-30 129
2019-03-31 129
2018-12-31 130
2018-09-30 130
2018-06-30 130
2018-03-31 130
2017-12-31 130
2017-09-30 130
2017-06-30 130
2017-03-31 130
2016-12-31 130
2016-09-30 129
2016-06-30 130
2016-03-31 131
2015-12-31 132
2015-09-30 132
2015-06-30 133
2015-03-31 133
2014-12-31 134
2014-09-30 134
2014-06-30 134
2014-03-31 134
2013-12-31 134
2013-09-30 134
2013-06-30 134
2013-03-31 134
2012-12-31 133
2012-09-30 133
2012-06-30 133
2012-03-31 133
2011-12-31 133
2011-09-30 133
Sector Industry Market Cap Revenue
Consumer Discretionary Consumer Products - Misc. Discretionary $8.813B $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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