WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025
Shares 75,900 Value ($000) $5,612 Avg Close $70.79 Range $55.84 - $82.75
Q1 2025
Shares 109,000 Value ($000) $10,903 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 109,000 Value ($000) $12,497 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 113,800 Value ($000) $17,103 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 113,800 Value ($000) $16,481 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 115,100 Value ($000) $17,587 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 119,400 Value ($000) $16,711 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 123,200 Value ($000) $15,359 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 137,800 Value ($000) $16,463 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 151,700 Value ($000) $17,594 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 155,700 Value ($000) $15,965 Avg Close $95.20 Range $80.55 - $107.11
Q3 2022
Shares 166,500 Value ($000) $14,466 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 166,800 Value ($000) $16,350 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 90,600 Value ($000) $11,180 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 84,700 Value ($000) $8,227 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 85,000 Value ($000) $7,747 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 84,500 Value ($000) $7,613 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 87,600 Value ($000) $7,778 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 86,800 Value ($000) $7,083 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 86,800 Value ($000) $5,487 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 86,316 Value ($000) $4,631 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 148,116 Value ($000) $5,654 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 122,616 Value ($000) $8,602 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 128,916 Value ($000) $8,447 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 126,200 Value ($000) $8,766 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 130,400 Value ($000) $8,849 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 124,100 Value ($000) $8,212 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 124,100 Value ($000) $10,314 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 128,400 Value ($000) $13,820 Avg Close $99.34 Range $90.39 - $110.06
Q1 2016
Shares 118,500 Value ($000) $5,258 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 83,600 Value ($000) $4,541 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 82,700 Value ($000) $4,291 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 75,100 Value ($000) $5,151 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 70,900 Value ($000) $5,101 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 43,200 Value ($000) $2,639 Avg Close $57.80 Range $45.45 - $73.16
Q3 2014
Shares 44,800 Value ($000) $3,879 Avg Close $76.69 Range $70.51 - $83.52
Q2 2014
Shares 45,500 Value ($000) $3,811 Avg Close $63.36 Range $52.18 - $72.01
Q3 2013
Shares 17,500 Value ($000) $1,832 Avg Close $42.90 Range $40.28 - $45.40
Q2 2013
Shares 18,500 Value ($000) $1,784 Avg Close $37.72 Range $32.17 - $41.82