Westlake Chemical Corporation shares owned by Zurcher Kantonalbank
Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by Zurcher Kantonalbank
from 13F filings
Historical chart of Zurcher Kantonalbank investment in Westlake Chemical Corporation
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Quarterly reported holdings in Westlake Chemical Corporation by Zurcher Kantonalbank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $988k | 13k | 73.94 |
| 2025-03-31 | $502k | 5.0k | 100.03 |
| 2024-12-31 | $575k | 5.0k | 114.65 |
| 2024-09-30 | $776k | 5.2k | 150.29 |
| 2024-06-30 | $748k | 5.2k | 144.82 |
| 2024-03-31 | $722k | 4.7k | 152.80 |
| 2023-12-31 | $727k | 5.2k | 139.96 |
| 2023-09-30 | $2.2M | 18k | 124.67 |
| 2023-06-30 | $2.0M | 16k | 119.47 |
| 2023-03-31 | $1.1M | 9.8k | 115.98 |
| 2022-12-31 | $1.1M | 11k | 102.54 |
| 2022-09-30 | $587k | 6.8k | 86.85 |
| 2022-06-30 | $394k | 4.0k | 97.94 |
| 2022-03-31 | $632k | 5.1k | 123.37 |
| 2021-12-31 | $536k | 5.5k | 97.08 |
| 2021-09-30 | $341k | 3.7k | 91.13 |
| 2020-12-31 | $378k | 4.6k | 81.57 |
| 2020-09-30 | $261k | 4.1k | 63.30 |
| 2020-06-30 | $221k | 4.1k | 53.60 |
| 2020-03-31 | $434k | 11k | 38.16 |
| 2019-12-31 | $2.0M | 29k | 70.15 |
| 2019-09-30 | $1.9M | 29k | 65.54 |
| 2019-06-30 | $2.1M | 30k | 69.46 |
| 2019-03-31 | $1.3M | 19k | 67.84 |
| 2018-12-31 | $508k | 7.7k | 66.14 |
| 2018-09-30 | $638k | 7.7k | 83.06 |
| 2018-06-30 | $827k | 7.7k | 107.67 |
| 2017-06-30 | $397k | 6.0k | 66.17 |
| 2016-03-31 | $122k | 2.6k | 46.42 |
| 2015-12-31 | $143k | 2.6k | 54.41 |
| 2015-09-30 | $273k | 5.3k | 51.98 |
| 2015-06-30 | $835k | 12k | 68.60 |
| 2015-03-31 | $461k | 6.4k | 71.90 |
| 2014-12-31 | $1.5M | 24k | 61.08 |
| 2014-09-30 | $1.9M | 22k | 86.60 |
| 2014-06-30 | $2.3M | 28k | 83.75 |
| 2013-06-30 | $1.3M | 13k | 96.38 |
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