WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q3 2025
Shares 16,037 Value ($000) $1,236 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 29,360 Value ($000) $2,229 Avg Close $80.28 Range $67.52 - $99.92
Q4 2024
Shares 73 Value ($000) $8 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 5,127 Value ($000) $771 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 8,190 Value ($000) $1,186 Avg Close $148.16 Range $138.77 - $156.68
Q3 2018
Shares 2,176 Value ($000) $181 Avg Close $86.83 Range $72.82 - $100.10
Q3 2017
Shares 56 Value ($000) $5 Avg Close $64.66 Range $57.52 - $74.59
Q1 2017
Shares 13,967 Value ($000) $923 Avg Close $55.38 Range $49.25 - $59.68
Q4 2016
Shares 53,827 Value ($000) $3,014 Avg Close $47.64 Range $42.61 - $53.78
Q3 2016
Shares 49,606 Value ($000) $2,654 Avg Close $41.92 Range $34.93 - $47.03
Q1 2016
Shares 7,725 Value ($000) $358 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 341 Value ($000) $19 Avg Close $49.75 Range $44.01 - $54.52
Q1 2015
Shares 11,951 Value ($000) $860 Avg Close $54.56 Range $46.07 - $62.01