Westlake Corporation Basic Shares Outstanding (Weighted Average)
Westlake Corporation (WLK) reported Basic Shares Outstanding (Weighted Average) of 128.04 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-05.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-08-05
- Westlake Corporation weighted average number of shares outstanding, basic for the quarter ending 2026-06-30 was 128.04M shares, a 0.15% decline year-over-year.
- Westlake Corporation weighted average number of shares outstanding, basic for the quarter ending 2026-03-31 was 127.99M shares, a 0.25% decline year-over-year.
- Westlake Corporation weighted average number of shares outstanding, basic for the quarter ending 2025-12-31 was 128.24M shares, a 0.25% decline year-over-year.
- Westlake Corporation weighted average number of shares outstanding, basic for the quarter ending 2025-09-30 was 128.25M shares, a 0.30% decline year-over-year.
- Westlake Corporation weighted average number of shares outstanding, basic for fiscal 2025 was 128.26M shares, a 0.21% decline from fiscal 2024.
- Westlake Corporation weighted average number of shares outstanding, basic for fiscal 2024 was 128.54M shares, a 0.57% increase from fiscal 2023.
- Westlake Corporation weighted average number of shares outstanding, basic for fiscal 2023 was 127.81M shares, a 0.13% decline from fiscal 2022.
- Westlake Corporation weighted average number of shares outstanding, basic for fiscal 2022 was 127.97M shares, a 0.03% decline from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Basic 3 month | Weighted Average Number of Shares Outstanding, Basic 3 month as first filed | Weighted Average Number of Shares Outstanding, Basic 6 month | Weighted Average Number of Shares Outstanding, Basic 6 month as first filed | Weighted Average Number of Shares Outstanding, Basic 9 month | Weighted Average Number of Shares Outstanding, Basic 9 month as first filed | Weighted Average Number of Shares Outstanding, Basic 12 month | Weighted Average Number of Shares Outstanding, Basic 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | 128.04M shares 10-Q · filed 2026-08-05 | 128.02M shares 10-Q · filed 2026-08-05 | 128.09M shares derived: average of 3 quarters · filed 2026-08-05 | 128.13M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2026-03-31 | 127.99M shares 10-Q · filed 2026-05-06 | 128.12M shares derived: average of 2 quarters · filed 2026-05-06 | 128.16M shares derived: average of 3 quarters · filed 2026-05-06 | 128.18M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-12-31 | 128.24M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 128.25M shares derived: average of 2 quarters · filed 2026-02-26 | 128.24M shares derived: average of 3 quarters · filed 2026-08-05 | 128.26M shares 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | 128.25M shares 10-Q · filed 2025-10-31 | 128.24M shares derived: average of 2 quarters · filed 2026-08-05 | 128.27M shares 10-Q · filed 2025-10-31 | 128.34M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-06-30 | 128.24M shares 10-Q · filed 2026-08-05 | 128.27M shares 10-Q · filed 2026-08-05 | 128.37M shares derived: average of 3 quarters · filed 2026-08-05 | 128.44M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-03-31 | 128.31M shares 10-Q · filed 2026-05-06 | 128.44M shares derived: average of 2 quarters · filed 2026-05-06 | 128.50M shares derived: average of 3 quarters · filed 2026-05-06 | 128.52M shares derived: average of 4 quarters · filed 2026-05-06 | ||||
| 2024-12-31 | 128.56M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 128.60M shares derived: average of 2 quarters · filed 2026-02-26 | 128.59M shares derived: average of 3 quarters · filed 2026-02-26 | 128.54M shares 10-K · filed 2026-02-26 | ||||
| 2024-09-30 | 128.64M shares 10-Q · filed 2025-10-31 | 128.61M shares derived: average of 2 quarters · filed 2025-10-31 | 128.53M shares 10-Q · filed 2025-10-31 | 128.44M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2024-06-30 | 128.58M shares 10-Q · filed 2025-08-06 | 128.47M shares 10-Q · filed 2025-08-06 | 128.37M shares derived: average of 3 quarters · filed 2026-02-26 | 128.24M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2024-03-31 | 128.36M shares 10-Q · filed 2025-05-02 | 128.26M shares derived: average of 2 quarters · filed 2026-02-26 | 128.13M shares derived: average of 3 quarters · filed 2026-02-26 | 128.01M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2023-12-31 | 128.17M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 128.01M shares derived: average of 2 quarters · filed 2026-02-26 | 127.89M shares derived: average of 3 quarters · filed 2026-02-26 | 127.81M shares 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | 127.85M shares 10-Q · filed 2024-11-06 | 127.75M shares derived: average of 2 quarters · filed 2024-11-06 | 127.69M shares 10-Q · filed 2024-11-06 | 127.64M shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2023-06-30 | 127.65M shares 10-Q · filed 2024-08-09 | 127.60M shares 10-Q · filed 2024-08-09 | 127.57M shares derived: average of 3 quarters · filed 2025-02-25 | 127.67M shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2023-03-31 | 127.55M shares 10-Q · filed 2024-05-02 | 127.54M shares derived: average of 2 quarters · filed 2025-02-25 | 127.67M shares derived: average of 3 quarters · filed 2025-02-25 | 127.84M shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2022-12-31 | 127.53M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-25 | 127.74M shares derived: average of 2 quarters · filed 2025-02-25 | 127.94M shares derived: average of 3 quarters · filed 2025-02-25 | 127.97M shares 10-K · filed 2025-02-25 | ||||
| 2022-09-30 | 127.94M shares 10-Q · filed 2023-11-02 | 128.14M shares derived: average of 2 quarters · filed 2023-11-02 | 128.12M shares 10-Q · filed 2023-11-02 | 128.05M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2022-06-30 | 128.34M shares 10-Q · filed 2023-08-03 | 128.21M shares 10-Q · filed 2023-08-03 | 128.09M shares derived: average of 3 quarters · filed 2024-02-22 | 128.08M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2022-03-31 | 128.07M shares 10-Q · filed 2023-05-04 | 127.96M shares derived: average of 2 quarters · filed 2024-02-22 | 127.99M shares derived: average of 3 quarters · filed 2024-02-22 | 128.03M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2021-12-31 | 127.85M shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-22 | 127.96M shares derived: average of 2 quarters · filed 2024-02-22 | 128.02M shares derived: average of 3 quarters · filed 2024-02-22 | 128.00M shares 10-K · filed 2024-02-22 | ||||
| 2021-09-30 | 128.06M shares 10-Q · filed 2022-11-03 | 128.10M shares derived: average of 2 quarters · filed 2022-11-03 | 128.05M shares 10-Q · filed 2022-11-03 | 127.99M shares derived: average of 4 quarters · filed 2023-02-22 | ||||
| 2021-06-30 | 128.14M shares 10-Q · filed 2022-08-03 | 128.05M shares 10-Q · filed 2022-08-03 | 127.96M shares derived: average of 3 quarters · filed 2023-02-22 | 127.90M shares derived: average of 4 quarters · filed 2023-02-22 | ||||
| 2021-03-31 | 127.96M shares 10-Q · filed 2022-05-04 | 127.87M shares derived: average of 2 quarters · filed 2023-02-22 | 127.81M shares derived: average of 3 quarters · filed 2023-02-22 | 127.78M shares derived: average of 4 quarters · filed 2023-02-22 | ||||
| 2020-12-31 | 127.79M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | 127.74M shares derived: average of 2 quarters · filed 2023-02-22 | 127.72M shares derived: average of 3 quarters · filed 2023-02-22 | 127.85M shares 10-K · filed 2023-02-22 | ||||
| 2020-09-30 | 127.70M shares 10-Q · filed 2021-11-03 | 127.69M shares derived: average of 2 quarters · filed 2021-11-03 | 127.87M shares 10-Q · filed 2021-11-03 | 127.99M shares derived: average of 4 quarters · filed 2022-02-23 | ||||
| 2020-06-30 | 127.68M shares 10-Q · filed 2021-08-03 | 127.96M shares 10-Q · filed 2021-08-03 | 128.09M shares derived: average of 3 quarters · filed 2022-02-23 | 128.12M shares derived: average of 4 quarters · filed 2022-02-23 | ||||
| 2020-03-31 | 128.24M shares 10-Q · filed 2021-05-05 | 128.30M shares derived: average of 2 quarters · filed 2022-02-23 | 128.27M shares derived: average of 3 quarters · filed 2022-02-23 | 128.32M shares derived: average of 4 quarters · filed 2022-02-23 | ||||
| 2019-12-31 | 128.35M shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | 128.29M shares derived: average of 2 quarters · filed 2022-02-23 | 128.35M shares derived: average of 3 quarters · filed 2022-02-23 | 128.40M shares 10-K · filed 2022-02-23 | ||||
| 2019-09-30 | 128.22M shares 10-Q · filed 2020-11-04 | 128.35M shares derived: average of 2 quarters · filed 2020-11-04 | 128.41M shares 10-Q · filed 2020-11-04 | 128.58M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2019-06-30 | 128.49M shares 10-Q · filed 2020-08-06 | 128.51M shares 10-Q · filed 2020-08-06 | 128.69M shares derived: average of 3 quarters · filed 2021-02-24 | 128.88M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2019-03-31 | 128.53M shares 10-Q · filed 2020-05-06 | 128.80M shares derived: average of 2 quarters · filed 2021-02-24 | 129.01M shares derived: average of 3 quarters · filed 2021-02-24 | 129.16M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2018-12-31 | 129.07M shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-24 | 129.25M shares derived: average of 2 quarters · filed 2021-02-24 | 129.37M shares derived: average of 3 quarters · filed 2021-02-24 | 129.40M shares 10-K · filed 2021-02-24 | ||||
| 2018-09-30 | 129.43M shares 10-Q · filed 2019-11-06 | 129.53M shares derived: average of 2 quarters · filed 2019-11-06 | 129.51M shares 10-Q · filed 2019-11-06 | 129.45M shares derived: average of 4 quarters · filed 2020-02-19 | ||||
| 2018-06-30 | 129.62M shares 10-Q · filed 2019-08-06 | 129.55M shares 10-Q · filed 2019-08-06 | 129.45M shares derived: average of 3 quarters · filed 2020-02-19 | 129.36M shares derived: average of 4 quarters · filed 2020-02-19 | ||||
| 2018-03-31 | 129.48M shares 10-Q · filed 2019-05-02 | 129.37M shares derived: average of 2 quarters · filed 2020-02-19 | 129.27M shares derived: average of 3 quarters · filed 2020-02-19 | 129.21M shares derived: average of 4 quarters · filed 2020-02-19 | ||||
| 2017-12-31 | 129.25M shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-19 | 129.16M shares derived: average of 2 quarters · filed 2020-02-19 | 129.12M shares derived: average of 3 quarters · filed 2020-02-19 | 129.09M shares 10-K · filed 2020-02-19 | ||||
| 2017-09-30 | 129.07M shares 10-Q · filed 2018-11-06 | 129.06M shares derived: average of 2 quarters · filed 2018-11-06 | 129.03M shares 10-Q · filed 2018-11-06 | 129.00M shares derived: average of 4 quarters · filed 2019-02-20 | ||||
| 2017-06-30 | 129.05M shares 10-Q · filed 2018-08-02 | 129.02M shares 10-Q · filed 2018-08-02 | 128.98M shares derived: average of 3 quarters · filed 2019-02-20 | 128.93M shares derived: average of 4 quarters · filed 2019-02-20 | ||||
| 2017-03-31 | 128.98M shares 10-Q · filed 2018-05-03 | 128.95M shares derived: average of 2 quarters · filed 2019-02-20 | 128.90M shares derived: average of 3 quarters · filed 2019-02-20 | 129.07M shares derived: average of 4 quarters · filed 2019-02-20 | ||||
| 2016-12-31 | 128.91M shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-20 | 128.85M shares derived: average of 2 quarters · filed 2019-02-20 | 129.10M shares derived: average of 3 quarters · filed 2019-02-20 | 129.37M shares 10-K · filed 2019-02-20 | ||||
| 2016-09-30 | 128.79M shares 10-Q · filed 2017-11-07 | 129.19M shares derived: average of 2 quarters · filed 2017-11-07 | 129.52M shares 10-Q · filed 2017-11-07 | 129.74M shares derived: average of 4 quarters · filed 2018-02-21 | ||||
| 2016-06-30 | 129.58M shares 10-Q · filed 2017-08-03 | 129.89M shares 10-Q · filed 2017-08-03 | 130.05M shares derived: average of 3 quarters · filed 2018-02-21 | 130.46M shares derived: average of 4 quarters · filed 2018-02-21 | ||||
| 2016-03-31 | 130.19M shares 10-Q · filed 2017-05-03 | 130.29M shares derived: average of 2 quarters · filed 2018-02-21 | 130.75M shares derived: average of 3 quarters · filed 2018-02-21 | 131.20M shares derived: average of 4 quarters · filed 2018-02-21 | ||||
| 2015-12-31 | 130.39M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-21 | 131.03M shares derived: average of 2 quarters · filed 2018-02-21 | 131.53M shares derived: average of 3 quarters · filed 2018-02-21 | 131.82M shares 10-K · filed 2018-02-21 | ||||
| 2015-09-30 | 131.66M shares 10-Q · filed 2016-11-09 | 132.10M shares derived: average of 2 quarters · filed 2016-11-09 | 132.30M shares 10-Q · filed 2016-11-09 | 132.44M shares derived: average of 4 quarters · filed 2017-02-22 | ||||
| 2015-06-30 | 132.54M shares 10-Q · filed 2016-08-09 | 132.63M shares 10-Q · filed 2016-08-09 | 132.70M shares derived: average of 3 quarters · filed 2017-02-22 | 132.85M shares derived: average of 4 quarters · filed 2017-02-22 | ||||
| 2015-03-31 | 132.71M shares 10-Q · filed 2016-05-04 | 132.78M shares derived: average of 2 quarters · filed 2017-02-22 | 132.95M shares derived: average of 3 quarters · filed 2017-02-22 | 133.02M shares derived: average of 4 quarters · filed 2017-02-22 | ||||
| 2014-12-31 | 132.85M shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-22 | 133.07M shares derived: average of 2 quarters · filed 2017-02-22 | 133.12M shares derived: average of 3 quarters · filed 2017-02-22 | 133.11M shares 10-K · filed 2017-02-22 | ||||
| 2014-09-30 | 133.30M shares 10-Q · filed 2015-11-04 | 133.26M shares derived: average of 2 quarters · filed 2015-11-04 | 133.20M shares 10-Q · filed 2015-11-04 | 133.18M shares derived: average of 4 quarters · filed 2016-02-24 | ||||
| 2014-06-30 | 133.22M shares 10-Q · filed 2015-08-05 | 133.15M shares 10-Q · filed 2015-08-05 | 133.14M shares derived: average of 3 quarters · filed 2016-02-24 | 133.17M shares derived: average of 4 quarters · filed 2016-02-24 | ||||
| 2014-03-31 | 133.07M shares 10-Q · filed 2015-05-06 | 133.10M shares derived: average of 2 quarters · filed 2016-02-24 | 133.15M shares derived: average of 3 quarters · filed 2016-02-24 | 133.18M shares derived: average of 4 quarters · filed 2016-02-24 | ||||
| 2013-12-31 | 133.13M shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-24 | 133.19M shares derived: average of 2 quarters · filed 2016-02-24 | 133.22M shares derived: average of 3 quarters · filed 2016-02-24 | 133.22M shares 10-K · filed 2016-02-24 | 66.61M shares 10-K · filed 2014-02-21 | |||
| 2013-09-30 | 133.26M shares 10-Q · filed 2014-11-07 | 66.63M shares 10-Q · filed 2013-11-07 | 133.26M shares derived: average of 2 quarters · filed 2014-11-07 | 133.26M shares 10-Q · filed 2014-11-07 | 66.63M shares 10-Q · filed 2013-11-07 | 182.84M shares derived: average of 4 quarters · filed 2015-02-25 | ||
| 2013-06-30 | 133.26M shares 10-Q · filed 2014-08-06 | 66.63M shares 10-Q · filed 2013-07-31 | 133.26M shares 10-Q · filed 2014-08-06 | 66.63M shares 10-Q · filed 2013-07-31 | 199.37M shares derived: average of 3 quarters · filed 2015-02-25 | 166.10M shares derived: average of 4 quarters · filed 2015-02-25 | ||
| 2013-03-31 | 133.25M shares 10-Q · filed 2014-05-06 | 66.63M shares 10-Q · filed 2013-05-07 | 232.42M shares derived: average of 2 quarters · filed 2015-02-25 | 177.05M shares derived: average of 3 quarters · filed 2015-02-25 | 149.36M shares derived: average of 4 quarters · filed 2015-02-25 | |||
| 2012-12-31 | 331.59M shares derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-25 | 198.95M shares derived: average of 2 quarters · filed 2015-02-25 | 154.74M shares derived: average of 3 quarters · filed 2015-02-25 | 132.58M shares 10-K · filed 2015-02-25 | 66.29M shares 10-K · filed 2013-02-22 | |||
| 2012-09-30 | 66.31M shares 10-Q · filed 2013-11-07 | 66.31M shares derived: average of 2 quarters · filed 2013-11-07 | 66.24M shares 10-Q · filed 2013-11-07 | 66.17M shares derived: average of 4 quarters · filed 2014-02-21 | ||||
| 2012-06-30 | 66.30M shares 10-Q · filed 2013-07-31 | 66.20M shares 10-Q · filed 2013-07-31 | 66.12M shares derived: average of 3 quarters · filed 2014-02-21 | 66.09M shares derived: average of 4 quarters · filed 2014-02-21 | ||||
| 2012-03-31 | 66.11M shares 10-Q · filed 2013-05-07 | 66.03M shares derived: average of 2 quarters · filed 2014-02-21 | 66.02M shares derived: average of 3 quarters · filed 2014-02-21 | 66.02M shares derived: average of 4 quarters · filed 2014-02-21 | ||||
| 2011-12-31 | 65.95M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-21 | 65.98M shares derived: average of 2 quarters · filed 2014-02-21 | 65.99M shares derived: average of 3 quarters · filed 2014-02-21 | 65.93M shares 10-K · filed 2014-02-21 | ||||
| 2011-09-30 | 66.01M shares 10-Q · filed 2012-11-08 | 66.01M shares derived: average of 2 quarters · filed 2012-11-08 | 65.92M shares 10-Q · filed 2012-11-08 | 65.83M shares derived: average of 4 quarters · filed 2013-02-22 | ||||
| 2011-06-30 | 66.00M shares 10-Q · filed 2012-08-03 | 65.87M shares 10-Q · filed 2012-08-03 | 65.77M shares derived: average of 3 quarters · filed 2013-02-22 | 65.70M shares derived: average of 4 quarters · filed 2013-02-22 | ||||
| 2011-03-31 | 65.75M shares 10-Q · filed 2012-05-02 | 65.65M shares derived: average of 2 quarters · filed 2013-02-22 | 65.59M shares derived: average of 3 quarters · filed 2013-02-22 | 65.56M shares derived: average of 4 quarters · filed 2013-02-22 | ||||
| 2010-12-31 | 65.56M shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-22 | 65.52M shares derived: average of 2 quarters · filed 2013-02-22 | 65.50M shares derived: average of 3 quarters · filed 2013-02-22 | 65.47M shares 10-K · filed 2013-02-22 | ||||
| 2010-09-30 | 65.48M shares 10-Q · filed 2011-11-02 | 65.47M shares derived: average of 2 quarters · filed 2011-11-02 | 65.44M shares 10-Q · filed 2011-11-02 | |||||
| 2010-06-30 | 65.46M shares 10-Q · filed 2011-08-03 | 65.43M shares 10-Q · filed 2011-08-03 | ||||||
| 2009-12-31 | 65.32M shares 10-K · filed 2012-02-23 |
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