Westlake Chemical Corporation shares owned by Vanguard Group
Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by Vanguard Group
from 13F filings
Historical chart of Vanguard Group investment in Westlake Chemical Corporation
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Quarterly reported holdings in Westlake Chemical Corporation by Vanguard Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $265M | 3.4M | 77.06 |
| 2025-06-30 | $268M | 3.5M | 75.93 |
| 2025-03-31 | $355M | 3.6M | 100.03 |
| 2024-12-31 | $445M | 3.9M | 114.65 |
| 2024-09-30 | $580M | 3.9M | 150.29 |
| 2024-06-30 | $556M | 3.8M | 144.82 |
| 2024-03-31 | $514M | 3.4M | 152.80 |
| 2023-12-31 | $474M | 3.4M | 139.96 |
| 2023-09-30 | $422M | 3.4M | 124.67 |
| 2023-06-30 | $412M | 3.4M | 119.47 |
| 2023-03-31 | $402M | 3.5M | 115.98 |
| 2022-12-31 | $354M | 3.5M | 102.54 |
| 2022-06-30 | $354M | 3.6M | 98.02 |
| 2022-03-31 | $498M | 4.0M | 123.40 |
| 2021-09-30 | $358M | 3.9M | 91.14 |
| 2021-06-30 | $360M | 4.0M | 90.07 |
| 2021-03-31 | $331M | 3.7M | 88.82 |
| 2020-12-31 | $311M | 3.8M | 81.61 |
| 2020-09-30 | $236M | 3.7M | 63.22 |
| 2020-06-30 | $210M | 3.9M | 53.65 |
| 2020-03-31 | $186M | 4.9M | 38.17 |
| 2019-12-31 | $334M | 4.8M | 70.11 |
| 2019-09-30 | $308M | 4.7M | 65.48 |
| 2019-03-31 | $314M | 4.6M | 67.87 |
| 2018-12-31 | $336M | 5.1M | 66.14 |
| 2018-09-30 | $438M | 5.3M | 83.08 |
| 2018-06-30 | $555M | 5.2M | 107.62 |
| 2018-03-31 | $551M | 5.0M | 111.12 |
| 2017-12-31 | $510M | 4.8M | 106.54 |
| 2017-09-30 | $355M | 4.3M | 81.97 |
| 2017-06-30 | $283M | 4.3M | 66.20 |
| 2017-03-31 | $278M | 4.2M | 66.04 |
| 2016-12-31 | $217M | 3.9M | 55.97 |
| 2016-09-30 | $201M | 3.8M | 53.51 |
| 2016-06-30 | $160M | 3.7M | 42.93 |
| 2015-12-31 | $201M | 3.7M | 54.33 |
| 2015-09-30 | $187M | 3.6M | 51.95 |
| 2015-06-30 | $246M | 3.6M | 68.59 |
| 2015-03-31 | $258M | 3.6M | 71.96 |
| 2014-12-31 | $167M | 2.7M | 61.09 |
| 2014-09-30 | $266M | 3.1M | 86.58 |
| 2014-06-30 | $254M | 3.0M | 83.72 |
| 2014-03-31 | $192M | 2.9M | 66.20 |
| 2013-12-31 | $172M | 1.4M | 122.10 |
| 2013-09-30 | $146M | 1.4M | 104.65 |
| 2013-06-30 | $133M | 1.4M | 96.40 |
| 2013-03-31 | $119M | 1.3M | 93.49 |
| 2012-12-31 | $92M | 1.2M | 79.32 |
| 2012-09-30 | $91M | 1.2M | 73.04 |
| 2012-03-31 | $77M | 1.2M | 64.77 |
| 2011-09-30 | $39M | 1.1M | 34.31 |
| 2011-03-31 | $52M | 931k | 56.20 |
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