Westlake Chemical Corporation shares owned by State Street Corporation
Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by State Street Corporation
from 13F filings
Historical chart of State Street Corporation investment in Westlake Chemical Corporation
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Quarterly reported holdings in Westlake Chemical Corporation by State Street Corporation
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $100M | 1.3M | 77.06 |
| 2025-06-30 | $106M | 1.4M | 75.93 |
| 2025-03-31 | $163M | 1.6M | 100.03 |
| 2024-12-31 | $137M | 1.2M | 114.65 |
| 2024-09-30 | $180M | 1.2M | 150.29 |
| 2024-06-30 | $172M | 1.2M | 144.82 |
| 2024-03-31 | $181M | 1.2M | 152.80 |
| 2023-12-31 | $168M | 1.2M | 139.96 |
| 2023-09-30 | $141M | 1.1M | 124.67 |
| 2023-06-30 | $139M | 1.2M | 119.47 |
| 2023-03-31 | $133M | 1.1M | 115.98 |
| 2022-12-31 | $115M | 1.1M | 102.54 |
| 2022-09-30 | $65M | 746k | 86.88 |
| 2022-06-30 | $69M | 708k | 98.02 |
| 2022-03-31 | $67M | 539k | 123.40 |
| 2021-12-31 | $51M | 522k | 97.13 |
| 2021-09-30 | $47M | 518k | 91.14 |
| 2021-06-30 | $47M | 519k | 90.09 |
| 2021-03-31 | $40M | 454k | 88.79 |
| 2020-12-31 | $37M | 450k | 81.60 |
| 2020-09-30 | $29M | 455k | 63.22 |
| 2020-06-30 | $26M | 489k | 53.65 |
| 2020-03-31 | $35M | 912k | 38.17 |
| 2019-12-31 | $64M | 918k | 70.15 |
| 2019-03-31 | $63M | 928k | 67.86 |
| 2018-12-31 | $59M | 890k | 66.17 |
| 2018-09-30 | $72M | 863k | 83.11 |
| 2018-06-30 | $81M | 755k | 107.63 |
| 2018-03-31 | $57M | 516k | 111.15 |
| 2017-12-31 | $59M | 553k | 106.53 |
| 2017-09-30 | $47M | 564k | 83.10 |
| 2017-06-30 | $38M | 575k | 66.21 |
| 2017-03-31 | $36M | 543k | 66.06 |
| 2016-12-31 | $31M | 557k | 55.99 |
| 2016-09-30 | $30M | 560k | 53.50 |
| 2016-06-30 | $22M | 516k | 42.93 |
| 2016-03-31 | $39M | 838k | 46.30 |
| 2015-12-31 | $43M | 794k | 54.32 |
| 2015-09-30 | $44M | 850k | 51.89 |
| 2015-06-30 | $55M | 800k | 68.59 |
| 2015-03-31 | $56M | 776k | 71.95 |
| 2014-12-31 | $46M | 757k | 61.09 |
| 2014-09-30 | $67M | 778k | 86.59 |
| 2014-06-30 | $60M | 721k | 83.78 |
| 2014-03-31 | $32M | 483k | 66.18 |
| 2013-12-31 | $19M | 237k | 79.31 |
| 2013-09-30 | $43M | 406k | 104.66 |
| 2013-06-30 | $25M | 261k | 96.40 |
| 2013-03-31 | $25M | 267k | 93.52 |
| 2012-12-31 | $19M | 237k | 79.31 |
| 2012-09-30 | $18M | 241k | 73.07 |
| 2012-03-31 | $15M | 227k | 64.77 |
| 2011-12-31 | $9.0M | 223k | 40.22 |
| 2011-09-30 | $7.4M | 216k | 34.27 |
| 2011-03-31 | $23M | 401k | 56.20 |
| 2010-12-31 | $18M | 410k | 43.46 |
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