WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2025
Shares 7,931 Value ($000) $586 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 5,210 Value ($000) $401 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 49,344 Value ($000) $3,747 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 39,364 Value ($000) $3,938 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 61,841 Value ($000) $7,090 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 61,841 Value ($000) $9,294 Avg Close $139.25 Range $125.61 - $148.72
Q4 2023
Shares 2,300 Value ($000) $322 Avg Close $121.60 Range $107.83 - $137.84
Q3 2022
Shares 59,369 Value ($000) $5,158 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 36,679 Value ($000) $3,595 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 5,379 Value ($000) $663 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 30,349 Value ($000) $2,947 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 10 Value ($000) $1 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 10 Value ($000) $1 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 19,773 Value ($000) $1,756 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 47,313 Value ($000) $3,861 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 65,423 Value ($000) $4,136 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 90,344 Value ($000) $4,847 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 80,149 Value ($000) $3,059 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 34,902 Value ($000) $2,448 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 67,172 Value ($000) $4,401 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 134,719 Value ($000) $9,358 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 305,421 Value ($000) $20,726 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 165,810 Value ($000) $10,971 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 64,810 Value ($000) $5,386 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 133,443 Value ($000) $14,362 Avg Close $99.34 Range $90.39 - $110.06
Q1 2018
Shares 385,718 Value ($000) $42,873 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 331,603 Value ($000) $35,326 Avg Close $81.78 Range $72.56 - $95.02
Q3 2017
Shares 97,983 Value ($000) $8,141 Avg Close $64.66 Range $57.52 - $74.59
Q2 2017
Shares 106,883 Value ($000) $7,077 Avg Close $55.73 Range $52.23 - $59.49
Q1 2017
Shares 94,083 Value ($000) $6,214 Avg Close $55.38 Range $49.25 - $59.68
Q4 2016
Shares 62,181 Value ($000) $3,482 Avg Close $47.64 Range $42.61 - $53.78
Q3 2016
Shares 58,881 Value ($000) $3,150 Avg Close $41.92 Range $34.93 - $47.03
Q2 2016
Shares 54,681 Value ($000) $2,347 Avg Close $39.55 Range $34.26 - $45.64
Q1 2016
Shares 58,321 Value ($000) $2,700 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 105,604 Value ($000) $5,736 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 41,526 Value ($000) $2,155 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 39,826 Value ($000) $2,732 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 25,800 Value ($000) $1,856 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 1,400 Value ($000) $86 Avg Close $57.80 Range $45.45 - $73.16
Q3 2014
Shares 2,700 Value ($000) $234 Avg Close $76.69 Range $70.51 - $83.52
Q2 2014
Shares 2,611 Value ($000) $219 Avg Close $63.36 Range $52.18 - $72.01
Q1 2014
Shares 39,182 Value ($000) $2,593 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 2,839 Value ($000) $347 Avg Close $47.34 Range $43.59 - $51.55
Q3 2013
Shares 22,900 Value ($000) $2,397 Avg Close $42.90 Range $40.28 - $45.40
Q2 2013
Shares 600 Value ($000) $58 Avg Close $37.72 Range $32.17 - $41.82
Q1 2013
Shares 600 Value ($000) $56 Avg Close $37.55 Range $34.07 - $41.22