WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025
Shares 2,208,715 Value ($000) $163 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 2,208,143 Value ($000) $170 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 2,058,588 Value ($000) $156 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 21,183 Value ($000) $2 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 22,124 Value ($000) $3 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 19,770 Value ($000) $3 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 19,440 Value ($000) $3 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 17,355 Value ($000) $3 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 42,297 Value ($000) $6 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 42,188 Value ($000) $5 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 36,616 Value ($000) $4 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 27,267 Value ($000) $3 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 26,972 Value ($000) $3 Avg Close $95.20 Range $80.55 - $107.11
Q3 2022
Shares 27,309 Value ($000) $2,373 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 24,141 Value ($000) $2,366 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 1,163,400 Value ($000) $143,564 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 1,237,040 Value ($000) $120,154 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 1,238,381 Value ($000) $112,866 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 2,043,274 Value ($000) $184,079 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 3,669,971 Value ($000) $325,857 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 3,628,235 Value ($000) $296,064 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 4,195,673 Value ($000) $265,250 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 4,337,458 Value ($000) $232,705 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 4,264,295 Value ($000) $162,768 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 3,409,609 Value ($000) $239,184 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 2,660,748 Value ($000) $174,332 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 2,171,725 Value ($000) $150,848 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 16,030 Value ($000) $1,088 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 15,970 Value ($000) $1,057 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 15,922 Value ($000) $1,323 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 15,859 Value ($000) $1,707 Avg Close $99.34 Range $90.39 - $110.06
Q1 2018
Shares 237,904 Value ($000) $26,443 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 67,764 Value ($000) $7,219 Avg Close $81.78 Range $72.56 - $95.02
Q3 2017
Shares 93,547 Value ($000) $7,773 Avg Close $64.66 Range $57.52 - $74.59
Q2 2017
Shares 15,960 Value ($000) $1,057 Avg Close $55.73 Range $52.23 - $59.49
Q1 2017
Shares 15,974 Value ($000) $1,055 Avg Close $55.38 Range $49.25 - $59.68
Q4 2016
Shares 15,972 Value ($000) $894 Avg Close $47.64 Range $42.61 - $53.78
Q3 2016
Shares 17,529 Value ($000) $938 Avg Close $41.92 Range $34.93 - $47.03
Q2 2016
Shares 17,529 Value ($000) $752 Avg Close $39.55 Range $34.26 - $45.64
Q1 2016
Shares 11,980 Value ($000) $555 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 9,820 Value ($000) $533 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 9,742 Value ($000) $506 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 9,742 Value ($000) $668 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 9,742 Value ($000) $701 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 10,283 Value ($000) $628 Avg Close $57.80 Range $45.45 - $73.16
Q3 2014
Shares 11,842 Value ($000) $1,025 Avg Close $76.69 Range $70.51 - $83.52
Q2 2014
Shares 11,842 Value ($000) $992 Avg Close $63.36 Range $52.18 - $72.01
Q1 2014
Shares 10,842 Value ($000) $718 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 3,621 Value ($000) $442 Avg Close $47.34 Range $43.59 - $51.55
Q3 2013
Shares 3,821 Value ($000) $400 Avg Close $42.90 Range $40.28 - $45.40
Q2 2013
Shares 4,721 Value ($000) $455 Avg Close $37.72 Range $32.17 - $41.82