WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

ROBOTTI ROBERT's Holding History (CIK: 0001105838)

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

Q4 2025
Shares 256,244 Value ($000) $18,947 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 181,851 Value ($000) $14,013 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 182,840 Value ($000) $13,772 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 164,696 Value ($000) $16,475 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 164,299 Value ($000) $18,837 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 164,083 Value ($000) $24,660 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 164,298 Value ($000) $23,794 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 167,668 Value ($000) $25,620 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 226,567 Value ($000) $31,710 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 227,622 Value ($000) $28,378 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 228,359 Value ($000) $27,282 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 229,216 Value ($000) $26,584 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 229,267 Value ($000) $23,509 Avg Close $95.20 Range $80.55 - $107.11
Q3 2022
Shares 229,966 Value ($000) $19,979 Avg Close $90.33 Range $76.70 - $104.08
Q2 2022
Shares 230,381 Value ($000) $22,582 Avg Close $115.03 Range $86.41 - $132.48
Q1 2022
Shares 229,814 Value ($000) $28,359 Avg Close $102.15 Range $87.54 - $119.36
Q4 2021
Shares 131,949 Value ($000) $12,817 Avg Close $91.08 Range $82.73 - $97.95
Q3 2021
Shares 230,970 Value ($000) $21,051 Avg Close $79.74 Range $72.56 - $88.16
Q2 2021
Shares 230,380 Value ($000) $20,755 Avg Close $90.14 Range $80.84 - $98.96
Q1 2021
Shares 259,324 Value ($000) $23,025 Avg Close $80.32 Range $68.77 - $90.16
Q4 2020
Shares 262,376 Value ($000) $21,410 Avg Close $68.91 Range $56.02 - $78.45
Q3 2020
Shares 267,376 Value ($000) $16,904 Avg Close $54.23 Range $46.16 - $63.35
Q2 2020
Shares 276,078 Value ($000) $14,812 Avg Close $42.05 Range $30.99 - $55.36
Q1 2020
Shares 302,836 Value ($000) $11,560 Avg Close $51.06 Range $26.40 - $65.18
Q4 2019
Shares 288,097 Value ($000) $20,210 Avg Close $60.78 Range $52.18 - $68.35
Q3 2019
Shares 288,908 Value ($000) $18,929 Avg Close $57.99 Range $50.43 - $64.27
Q2 2019
Shares 290,187 Value ($000) $20,156 Avg Close $59.69 Range $51.40 - $69.93
Q1 2019
Shares 295,607 Value ($000) $20,059 Avg Close $64.77 Range $57.75 - $72.34
Q4 2018
Shares 297,834 Value ($000) $19,708 Avg Close $64.35 Range $53.36 - $76.44
Q3 2018
Shares 261,970 Value ($000) $21,772 Avg Close $86.83 Range $72.82 - $100.10
Q2 2018
Shares 260,622 Value ($000) $28,051 Avg Close $99.34 Range $90.39 - $110.06
Q1 2018
Shares 265,152 Value ($000) $29,471 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 267,235 Value ($000) $28,468 Avg Close $81.78 Range $72.56 - $95.02
Q3 2017
Shares 268,903 Value ($000) $22,343 Avg Close $64.66 Range $57.52 - $74.59
Q2 2017
Shares 271,165 Value ($000) $17,825 Avg Close $55.73 Range $52.23 - $59.49
Q1 2017
Shares 271,545 Value ($000) $17,936 Avg Close $55.38 Range $49.25 - $59.68
Q4 2016
Shares 271,165 Value ($000) $15,182 Avg Close $47.64 Range $42.61 - $53.78
Q3 2016
Shares 270,845 Value ($000) $14,490 Avg Close $41.92 Range $34.93 - $47.03
Q2 2016
Shares 271,880 Value ($000) $11,670 Avg Close $39.55 Range $34.26 - $45.64
Q1 2016
Shares 75,705 Value ($000) $3,505 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 73,685 Value ($000) $4,003 Avg Close $49.75 Range $44.01 - $54.52
Q2 2014
Shares 20,000 Value ($000) $1,675 Avg Close $63.36 Range $52.18 - $72.01
Q1 2014
Shares 20,000 Value ($000) $1,324 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 10,000 Value ($000) $1,221 Avg Close $47.34 Range $43.59 - $51.55
Q3 2013
Shares 10,000 Value ($000) $1,047 Avg Close $42.90 Range $40.28 - $45.40
Q2 2013
Shares 10,000 Value ($000) $964 Avg Close $37.72 Range $32.17 - $41.82