Shares Out (Basic)

128.04M

Quarterly · Period ending: Jun 30, 2026

WLK Shares Out (Basic)

Latest reported128.04Mperiod endingJun 30, 2026

WLK Quarterly Shares Out (Basic) (99.66M → 128.04M)

Quarterly shares out (basic)

High-resolution chart · PNG

WLK shares out (basic) history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Westlake Corporation Common Stock Shares Out (Basic) — Quarterly
Period ending	Shares Out (Basic)
Jun 30, 2026	128,039,859
Apr 2, 2026	127,992,500
Dec 31, 2025	128,909,952
Sep 30, 2025	128,251,427
Jun 30, 2025	128,273,000
Mar 31, 2025	128,309,000
Dec 31, 2024	128,535,000
Sep 30, 2024	128,639,000
Jun 30, 2024	128,576,735
Mar 31, 2024	128,359,983
Dec 31, 2023	128,165,690
Sep 30, 2023	127,854,464
Jun 30, 2023	127,649,341
Mar 31, 2023	127,548,287
Dec 31, 2022	127,532,119
Sep 30, 2022	127,943,400
Jun 30, 2022	128,341,132
Mar 31, 2022	128,071,355
Dec 31, 2021	127,853,277
Sep 30, 2021	128,060,193
Jun 30, 2021	128,142,997
Mar 31, 2021	127,955,532
Dec 31, 2020	129,885,057
Sep 30, 2020	127,701,340
Jun 30, 2020	127,680,478
Mar 31, 2020	128,237,364
Dec 31, 2019	128,571,428
Sep 30, 2019	128,216,105
Jun 30, 2019	128,485,182
Mar 31, 2019	128,528,480
Dec 31, 2018	129,473,684
Sep 30, 2018	129,427,328
Jun 30, 2018	129,624,291
Mar 31, 2018	129,483,968
Dec 31, 2017	129,773,463
Sep 30, 2017	129,069,186
Jun 30, 2017	129,051,227
Mar 31, 2017	128,979,357
Dec 31, 2016	130,190,789
Sep 30, 2016	128,793,661
Jun 30, 2016	129,583,224
Mar 31, 2016	130,189,964
Dec 31, 2015	130,551,765
Sep 30, 2015	131,664,296
Jun 30, 2015	132,538,123
Mar 31, 2015	132,714,566
Dec 31, 2014	132,819,565
Sep 30, 2014	133,299,458
Jun 30, 2014	133,223,705
Mar 31, 2014	133,072,254
Dec 31, 2013	133,571,875
Sep 30, 2013	133,257,494
Jun 30, 2013	133,259,218
Mar 31, 2013	133,251,071
Dec 31, 2012	133,254,545
Sep 30, 2012	132,623,916
Jun 30, 2012	132,597,266
Mar 31, 2012	132,218,594
Dec 31, 2011	133,050,000
Sep 30, 2011	132,024,204
Jun 30, 2011	131,998,180
Mar 31, 2011	131,491,110
Dec 31, 2010	131,491,110
Sep 30, 2010	130,962,350
Jun 30, 2010	130,917,410
Mar 31, 2010	130,787,424
Dec 31, 2009	132,076,090
Sep 30, 2009	131,906,606
Jun 30, 2009	131,850,242
Mar 31, 2009	131,594,546
Dec 31, 2008	131,312,208
Sep 30, 2008	131,286,002
Jun 30, 2008	130,529,562
Mar 31, 2008	130,519,116
Dec 31, 2007	130,519,116
Sep 30, 2007	130,476,752
Jun 30, 2007	130,449,394
Mar 31, 2007	130,435,992
Dec 31, 2006	130,435,992
Sep 30, 2006	130,269,164
Jun 30, 2006	130,208,200
Mar 31, 2006	130,184,390
Dec 31, 2005	130,184,390
Sep 30, 2005	130,053,924
Jun 30, 2005	129,990,258
Mar 31, 2005	129,876,274
Dec 31, 2004	129,876,274
Sep 30, 2004	113,806,540
Jun 30, 2004	98,998,790
Mar 31, 2004	99,000,000
Jun 30, 2003	99,659,259