WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

CAISSE DE DEPOT ET PLACEMENT DU QUEBEC's Holding History (CIK: 0000898286)

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

Q3 2025
Shares 368,318 Value ($000) $28,383 Avg Close $82.33 Range $73.94 - $91.41
Q1 2024
Shares 14,686 Value ($000) $2,244 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 82,151 Value ($000) $11,498 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 147,163 Value ($000) $18,347 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 104,530 Value ($000) $12,488 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 260,912 Value ($000) $30,261 Avg Close $109.37 Range $92.83 - $119.59
Q1 2020
Shares 46,875 Value ($000) $1,789 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 33,200 Value ($000) $2,329 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 32,500 Value ($000) $2,129 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 31,400 Value ($000) $2,181 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 26,300 Value ($000) $1,785 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 18,900 Value ($000) $1,251 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 92,300 Value ($000) $7,671 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 7,600 Value ($000) $818 Avg Close $99.34 Range $90.39 - $110.06
Q1 2016
Shares 28,900 Value ($000) $1,338 Avg Close $39.11 Range $34.33 - $46.52