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Westlake Chemical Corporation shares owned by Arrowstreet Capital, Limited Partnership

Quarter-by-quarter ownership of Westlake Chemical Corporation (WLK) shares owned by Arrowstreet Capital, Limited Partnership from 13F filings

Historical chart of Arrowstreet Capital, Limited Partnership investment in Westlake Chemical Corporation

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All positions including Westlake Chemical Corporation held by Arrowstreet Capital, Limited Partnership consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Westlake Chemical Corporation by Arrowstreet Capital, Limited Partnership

Quarter filed Position value Share count Share price at filing
2025-09-30 $23M 300k 77.06
2025-06-30 $22M 290k 75.93
2023-09-30 $795k 6.4k 124.71
2022-09-30 $57M 655k 86.88
2022-06-30 $27M 277k 98.02
2022-03-31 $1.4M 12k 123.40
2021-12-31 $7.2M 74k 97.12
2021-09-30 $9.1M 100k 91.14
2021-06-30 $4.8M 54k 90.09
2021-03-31 $24M 266k 88.79
2020-12-31 $32M 392k 81.60
2020-09-30 $48M 765k 63.22
2020-06-30 $30M 551k 53.65
2020-03-31 $2.2M 58k 38.17
2019-03-31 $29M 426k 67.86
2018-12-31 $25M 377k 66.17
2018-06-30 $58M 537k 107.63
2018-03-31 $63M 567k 111.15
2017-12-31 $30M 284k 106.53