WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2025
Shares 50 Value ($000) $4 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 332 Value ($000) $26 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 298 Value ($000) $23 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 186 Value ($000) $19 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 186 Value ($000) $21 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 186 Value ($000) $28 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 186 Value ($000) $27 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 3,142 Value ($000) $480 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 186 Value ($000) $26 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 186 Value ($000) $23 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 16,424 Value ($000) $1,962 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 18,472 Value ($000) $2 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 7,861 Value ($000) $1 Avg Close $95.20 Range $80.55 - $107.11
Q3 2022
Shares 8,848 Value ($000) $769 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 12,374 Value ($000) $1,213 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 160 Value ($000) $20 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 160 Value ($000) $16 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 160 Value ($000) $15 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 160 Value ($000) $14 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 4,160 Value ($000) $369 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 4,160 Value ($000) $339 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 4,000 Value ($000) $253 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 4,000 Value ($000) $215 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 4,000 Value ($000) $153 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 4,000 Value ($000) $281 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 7,000 Value ($000) $459 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 7,000 Value ($000) $486 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 9,721 Value ($000) $660 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 8,752 Value ($000) $579 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 11,348 Value ($000) $943 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 10,151 Value ($000) $1,093 Avg Close $99.34 Range $90.39 - $110.06
Q1 2018
Shares 4,000 Value ($000) $433 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 4,000 Value ($000) $426 Avg Close $81.78 Range $72.56 - $95.02
Q3 2017
Shares 4,000 Value ($000) $332 Avg Close $64.66 Range $57.52 - $74.59
Q2 2017
Shares 4,000 Value ($000) $246 Avg Close $55.73 Range $52.23 - $59.49
Q1 2017
Shares 4,000 Value ($000) $264 Avg Close $55.38 Range $49.25 - $59.68
Q4 2016
Shares 4,000 Value ($000) $224 Avg Close $47.64 Range $42.61 - $53.78
Q3 2016
Shares 4,000 Value ($000) $214 Avg Close $41.92 Range $34.93 - $47.03
Q2 2016
Shares 4,000 Value ($000) $172 Avg Close $39.55 Range $34.26 - $45.64
Q1 2016
Shares 4,000 Value ($000) $185 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 4,000 Value ($000) $217 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 4,000 Value ($000) $221 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 10,000 Value ($000) $686 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 11,800 Value ($000) $849 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 11,800 Value ($000) $721 Avg Close $57.80 Range $45.45 - $73.16
Q3 2014
Shares 12,800 Value ($000) $1,108 Avg Close $76.69 Range $70.51 - $83.52
Q2 2014
Shares 13,100 Value ($000) $1,097 Avg Close $63.36 Range $52.18 - $72.01
Q1 2014
Shares 13,800 Value ($000) $913 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 6,900 Value ($000) $842 Avg Close $47.34 Range $43.59 - $51.55
Q3 2013
Shares 5,900 Value ($000) $617 Avg Close $42.90 Range $40.28 - $45.40
Q2 2013
Shares 7,000 Value ($000) $675 Avg Close $37.72 Range $32.17 - $41.82