WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 299,728 Value ($000) $23,097 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 290,038 Value ($000) $22,023 Avg Close $80.28 Range $67.52 - $99.92
Q3 2023
Shares 6,375 Value ($000) $1 Avg Close $122.44 Range $108.80 - $131.81
Q3 2022
Shares 654,871 Value ($000) $56,895 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 277,218 Value ($000) $27,173 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 11,686 Value ($000) $1,442 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 73,730 Value ($000) $7,161 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 99,800 Value ($000) $9,096 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 53,558 Value ($000) $4,825 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 265,515 Value ($000) $23,575 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 391,954 Value ($000) $31,983 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 764,911 Value ($000) $48,358 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 551,132 Value ($000) $29,568 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 57,826 Value ($000) $2,207 Avg Close $51.06 Range $26.40 - $65.18
Q1 2019
Shares 425,566 Value ($000) $28,879 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 377,052 Value ($000) $24,950 Avg Close $64.35 Range $53.36 - $76.44
Q2 2018
Shares 537,295 Value ($000) $57,829 Avg Close $99.34 Range $90.39 - $110.06
Q1 2018
Shares 567,079 Value ($000) $63,031 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 284,019 Value ($000) $30,257 Avg Close $81.78 Range $72.56 - $95.02