WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

JACOBS LEVY EQUITY MANAGEMENT, INC's Holding History (CIK: 0000884414)

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

Q4 2025

Shares 668,405 Value ($000) $49,422 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 860,723 Value ($000) $66,327 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 985,258 Value ($000) $74,811 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 775,801 Value ($000) $77,603 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 799,250 Value ($000) $91,634 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 595,149 Value ($000) $89,445 Avg Close $139.25 Range $125.61 - $148.72

Q2 2024

Shares 74,480 Value ($000) $10,786 Avg Close $148.16 Range $138.77 - $156.68

Q3 2022

Shares 146,956 Value ($000) $12,768 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 148,460 Value ($000) $14,552 Avg Close $115.03 Range $86.41 - $132.48

Q1 2022

Shares 226,141 Value ($000) $27,906 Avg Close $102.15 Range $87.54 - $119.36

Q4 2021

Shares 323,124 Value ($000) $31,385 Avg Close $91.08 Range $82.73 - $97.95

Q3 2021

Shares 387,108 Value ($000) $35,281 Avg Close $79.74 Range $72.56 - $88.16

Q2 2021

Shares 87,038 Value ($000) $7,841 Avg Close $90.14 Range $80.84 - $98.96

Q1 2020

Shares 6,201 Value ($000) $237 Avg Close $51.06 Range $26.40 - $65.18

Q3 2019

Shares 40,229 Value ($000) $2,636 Avg Close $57.99 Range $50.43 - $64.27

Q2 2019

Shares 29,130 Value ($000) $2,023 Avg Close $59.69 Range $51.40 - $69.93

Q1 2019

Shares 45,350 Value ($000) $3,077 Avg Close $64.77 Range $57.75 - $72.34

Q4 2018

Shares 14,260 Value ($000) $944 Avg Close $64.35 Range $53.36 - $76.44

Q3 2018

Shares 22,680 Value ($000) $1,885 Avg Close $86.83 Range $72.82 - $100.10

Q2 2018

Shares 33,260 Value ($000) $3,580 Avg Close $99.34 Range $90.39 - $110.06

Q3 2016

Shares 9,720 Value ($000) $520 Avg Close $41.92 Range $34.93 - $47.03

Q2 2016

Shares 38,990 Value ($000) $1,673 Avg Close $39.55 Range $34.26 - $45.64

Q1 2016

Shares 17,450 Value ($000) $808 Avg Close $39.11 Range $34.33 - $46.52

Q4 2014

Shares 123,840 Value ($000) $7,565 Avg Close $57.80 Range $45.45 - $73.16

Q1 2014

Shares 124,712 Value ($000) $8,253 Avg Close $53.68 Range $48.11 - $58.70

Q4 2013

Shares 2,268 Value ($000) $277 Avg Close $47.34 Range $43.59 - $51.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	668,405	$49,422	$70.79	$55.84 - $82.75
Q3 2025	860,723	$66,327	$82.33	$73.94 - $91.41
Q2 2025	985,258	$74,811	$80.28	$67.52 - $99.92
Q1 2025	775,801	$77,603	$108.01	$95.27 - $116.71
Q4 2024	799,250	$91,634	$126.38	$109.67 - $146.31
Q3 2024	595,149	$89,445	$139.25	$125.61 - $148.72
Q2 2024	74,480	$10,786	$148.16	$138.77 - $156.68
Q3 2022	146,956	$12,768	$90.33	$76.70 - $104.08
Q2 2022	148,460	$14,552	$115.03	$86.41 - $132.48
Q1 2022	226,141	$27,906	$102.15	$87.54 - $119.36
Q4 2021	323,124	$31,385	$91.08	$82.73 - $97.95
Q3 2021	387,108	$35,281	$79.74	$72.56 - $88.16
Q2 2021	87,038	$7,841	$90.14	$80.84 - $98.96
Q1 2020	6,201	$237	$51.06	$26.40 - $65.18
Q3 2019	40,229	$2,636	$57.99	$50.43 - $64.27
Q2 2019	29,130	$2,023	$59.69	$51.40 - $69.93
Q1 2019	45,350	$3,077	$64.77	$57.75 - $72.34
Q4 2018	14,260	$944	$64.35	$53.36 - $76.44
Q3 2018	22,680	$1,885	$86.83	$72.82 - $100.10
Q2 2018	33,260	$3,580	$99.34	$90.39 - $110.06
Q3 2016	9,720	$520	$41.92	$34.93 - $47.03
Q2 2016	38,990	$1,673	$39.55	$34.26 - $45.64
Q1 2016	17,450	$808	$39.11	$34.33 - $46.52
Q4 2014	123,840	$7,565	$57.80	$45.45 - $73.16
Q1 2014	124,712	$8,253	$53.68	$48.11 - $58.70
Q4 2013	2,268	$277	$47.34	$43.59 - $51.55