Westlake Chemical Corporation shares owned by Dimensional Fund Advisors
Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by Dimensional Fund Advisors
from 13F filings
Historical chart of Dimensional Fund Advisors investment in Westlake Chemical Corporation
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Quarterly reported holdings in Westlake Chemical Corporation by Dimensional Fund Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $100M | 1.3M | 77.06 |
| 2025-06-30 | $97M | 1.3M | 75.93 |
| 2025-03-31 | $94M | 940k | 100.03 |
| 2024-12-31 | $107M | 934k | 114.65 |
| 2024-09-30 | $134M | 891k | 150.29 |
| 2024-06-30 | $134M | 927k | 144.82 |
| 2024-03-31 | $148M | 969k | 152.80 |
| 2023-12-31 | $144M | 1.0M | 139.96 |
| 2023-09-30 | $138M | 1.1M | 124.67 |
| 2023-06-30 | $150M | 1.3M | 119.47 |
| 2023-03-31 | $171M | 1.5M | 115.98 |
| 2022-12-31 | $175M | 1.7M | 102.54 |
| 2022-09-30 | $186M | 2.1M | 86.88 |
| 2022-06-30 | $223M | 2.3M | 98.02 |
| 2022-03-31 | $281M | 2.3M | 123.40 |
| 2021-12-31 | $222M | 2.3M | 97.13 |
| 2021-09-30 | $211M | 2.3M | 91.14 |
| 2021-06-30 | $205M | 2.3M | 90.09 |
| 2021-03-31 | $207M | 2.3M | 88.79 |
| 2020-12-31 | $191M | 2.3M | 81.60 |
| 2020-09-30 | $148M | 2.3M | 63.22 |
| 2020-06-30 | $122M | 2.3M | 53.65 |
| 2020-03-31 | $73M | 1.9M | 38.17 |
| 2019-12-31 | $109M | 1.6M | 70.14 |
| 2019-09-30 | $98M | 1.5M | 65.52 |
| 2019-06-30 | $97M | 1.4M | 69.46 |
| 2019-03-31 | $80M | 1.2M | 67.86 |
| 2018-12-31 | $78M | 1.2M | 66.16 |
| 2018-09-30 | $97M | 1.2M | 83.12 |
| 2018-06-30 | $122M | 1.1M | 107.62 |
| 2018-03-31 | $125M | 1.1M | 111.15 |
| 2017-12-31 | $121M | 1.1M | 106.53 |
| 2017-09-30 | $96M | 1.2M | 83.09 |
| 2017-06-30 | $79M | 1.2M | 66.21 |
| 2017-03-31 | $80M | 1.2M | 66.05 |
| 2016-12-31 | $68M | 1.2M | 55.99 |
| 2016-09-30 | $72M | 1.3M | 53.50 |
| 2016-06-30 | $54M | 1.3M | 42.92 |
| 2016-03-31 | $56M | 1.2M | 46.30 |
| 2015-12-31 | $52M | 955k | 54.32 |
| 2015-09-30 | $54M | 1.0M | 51.89 |
| 2015-03-31 | $57M | 791k | 71.94 |
| 2014-12-31 | $57M | 934k | 61.09 |
| 2014-09-30 | $96M | 1.1M | 86.60 |
| 2014-06-30 | $93M | 1.1M | 83.76 |
| 2014-03-31 | $74M | 1.1M | 66.18 |
| 2013-12-31 | $86M | 702k | 122.07 |
| 2013-09-30 | $107M | 1.0M | 104.66 |
| 2013-06-30 | $139M | 1.4M | 96.41 |
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