WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025
Shares 9,755 Value ($000) $721 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 9,344 Value ($000) $720 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 10,045 Value ($000) $763 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 8,265 Value ($000) $827 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 6,924 Value ($000) $794 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 5,916 Value ($000) $889 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 5,919 Value ($000) $852 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 4,777 Value ($000) $730 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 6,466 Value ($000) $905 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 5,981 Value ($000) $746 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 5,081 Value ($000) $607 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 4,887 Value ($000) $567 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 4,629 Value ($000) $475 Avg Close $95.20 Range $80.55 - $107.11
Q3 2022
Shares 7,571 Value ($000) $658 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 7,773 Value ($000) $762 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 7,294 Value ($000) $900 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 6,437 Value ($000) $625 Avg Close $91.08 Range $82.73 - $97.95