Westlake Corporation
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Westlake Corporation (WLK)

Historical Shares Outstanding

Current Count

128M

Financial Fundamentals

WLKQuarterly Data • 5Y View

Share Count History

DateShares Out. (M)Change (M)Change %
2026-04-02128.0-0.9-0.71%
2025-12-31128.90.7+0.51%
2025-09-30128.3-0.0-0.02%
2025-06-30128.3-0.0-0.03%
2025-03-31128.3-0.9-0.70%
2024-12-31129.2-0.1-0.10%
2024-09-30129.3-0.0-0.01%
2024-06-30129.40.3+0.26%
2024-03-31129.00.9+0.67%
2023-12-31128.2-0.4-0.33%
2023-09-30128.60.1+0.08%
2023-06-30128.50.0+0.02%
2023-03-31128.50.1+0.06%
2022-12-31128.4-0.4-0.29%
2022-09-30128.7-0.6-0.46%
2022-06-30129.30.4+0.32%
2022-03-31128.90.3+0.19%
2021-12-31128.7-0.1-0.07%
2021-09-30128.8-0.1-0.09%
2021-06-30128.90.4+0.31%
2021-03-31128.5-1.4-1.08%
2020-12-31129.91.9+1.51%
2020-09-30128.00.1+0.10%
2020-06-30127.8-0.6-0.48%
2020-03-31128.4-0.1-0.10%
2019-12-31128.60.0+0.01%
2019-09-30128.6-0.3-0.23%
2019-06-30128.9-0.1-0.05%
2019-03-31128.9-0.6-0.43%
2018-12-31129.5-0.6-0.44%
2018-09-30130.1-0.3-0.20%
2018-06-30130.30.1+0.09%
2018-03-31130.2-0.2-0.17%
2017-12-31130.40.5+0.40%
2017-09-30129.90.1+0.08%
2017-06-30129.80.1+0.07%
2017-03-31129.7-0.5-0.38%
2016-12-31130.20.8+0.63%
2016-09-30129.4-0.6-0.46%
2016-06-30130.0-0.6-0.47%
2016-03-31130.6-1.5-1.14%
2015-12-31132.1-0.0-0.01%
2015-09-30132.1-0.9-0.69%
2015-06-30133.0-0.2-0.12%
2015-03-31133.2-0.6-0.44%
2014-12-31133.8-0.1-0.04%
2014-09-30133.80.1+0.06%
2014-06-30133.80.2+0.12%
2014-03-31133.6-1.0-0.75%
2013-12-31134.60.8+0.61%
2013-09-30133.80.0+0.01%
2013-06-30133.8-0.0-0.02%
2013-03-31133.8-0.4-0.28%
2012-12-31134.20.9+0.66%
2012-09-30133.30.0+0.01%
2012-06-30133.30.2+0.14%
2012-03-31133.1-0.9-0.71%
2011-12-31134.11.3+0.98%
2011-09-30132.8-0.1-0.06%
2011-06-30132.90.6+0.47%
2011-03-31132.20.00.00%
2010-12-31132.20.9+0.66%
2010-09-30131.40.1+0.11%
2010-06-30131.20.2+0.13%
2010-03-31131.0-1.3-0.97%
2009-12-31132.30.1+0.11%
2009-09-30132.20.2+0.17%
2009-06-30132.00.4+0.28%
2009-03-31131.60.00.00%
2008-12-31131.60.2+0.18%
2008-09-30131.40.8+0.58%
2008-06-30130.60.0+0.01%
2008-03-31130.60.00.00%
2007-12-31130.6-0.1-0.06%
2007-09-30130.70.0+0.00%
2007-06-30130.60.0+0.00%
2007-03-31130.60.00.00%
2006-12-31130.60.2+0.13%
2006-09-30130.50.0+0.00%
2006-06-30130.50.0+0.01%
2006-03-31130.50.00.00%
2005-12-31130.5-0.1-0.05%
2005-09-30130.50.1+0.09%
2005-06-30130.4-0.2-0.14%
2005-03-31130.60.00.00%
2004-12-31130.616.5+14.49%
2004-09-30114.115.1+15.21%
2004-06-3099.0-0.0-0.00%
2004-03-3199.0-0.7-0.66%
2003-06-3099.7