Westlake Chemical Corporation shares owned by Magnetar Financial
Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by Magnetar Financial
from 13F filings
Historical chart of Magnetar Financial investment in Westlake Chemical Corporation
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Quarterly reported holdings in Westlake Chemical Corporation by Magnetar Financial
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $257k | 3.3k | 77.06 |
| 2025-06-30 | $546k | 7.2k | 75.93 |
| 2025-03-31 | $2.7M | 27k | 100.03 |
| 2024-09-30 | $4.3M | 29k | 150.29 |
| 2023-06-30 | $350k | 2.9k | 119.47 |
| 2022-06-30 | $2.7M | 28k | 98.01 |
| 2021-06-30 | $374k | 4.1k | 90.16 |
| 2019-03-31 | $611k | 9.0k | 67.81 |
| 2018-06-30 | $567k | 5.3k | 107.71 |
| 2018-03-31 | $753k | 6.8k | 111.19 |
| 2017-12-31 | $2.4M | 22k | 106.55 |
| 2012-12-31 | $1.2M | 15k | 79.33 |
| 2011-06-30 | $400k | 7.7k | 51.92 |
| 2011-03-31 | $399k | 7.1k | 56.20 |
| 2010-12-31 | $318k | 7.3k | 43.53 |
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