Ken Griffin Westlake Corp Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Westlake Corp stock. As of the latest transaction made, Citadel Advisors LLC holds 44,500 shares of WLK stock, worth $3.85 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

44,500

Previous 11,400 290.35%

Holding current value

$3.85 Million

Previous $1.14 Million 196.32%

% of portfolio

0.0%

Previous 0.0%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$69.83 - $102.01 $58.7 Million - $85.7 Million	-840,550 Reduced 98.56%	12,306 $934,000
Q1 2025 May 15, 2025	BUY	$99.12 - $119.16 $17.1 Million - $20.6 Million	172,525 Added 25.36%	852,856 $85.3 Million
Q4 2024 Feb 14, 2025	BUY	$113.23 - $148.98 $17.7 Million - $23.2 Million	155,978 Added 29.75%	680,331 $78 Million
Q3 2024 Nov 14, 2024	SELL	$133.5 - $150.97 $7.16 Million - $8.1 Million	-53,630 Reduced 9.28%	524,353 $78.8 Million
Q2 2024 Aug 14, 2024	BUY	$144.82 - $162.06 $2.29 Million - $2.56 Million	15,813 Added 2.81%	577,983 $83.7 Million
Q1 2024 May 15, 2024	SELL	$132.81 - $152.8 $2.43 Million - $2.8 Million	-18,308 Reduced 3.15%	562,170 $85.9 Million
Q4 2023 Feb 14, 2024	SELL	$113.19 - $142.69 $21.5 Million - $27.1 Million	-190,176 Reduced 24.68%	580,478 $81.2 Million
Q3 2023 Nov 14, 2023	SELL	$116.44 - $137.5 $7.3 Million - $8.62 Million	-62,695 Reduced 7.52%	770,654 $96.1 Million
Q2 2023 Aug 14, 2023	SELL	$103.95 - $121.29 $40.9 Million - $47.7 Million	-393,027 Reduced 32.05%	833,349 $99.6 Million
Q1 2023 May 15, 2023	BUY	$99.0 - $124.98 $86.3 Million - $109 Million	871,295 Added 245.38%	1,226,376 $142 Million
Q4 2022 Feb 14, 2023	BUY	$87.54 - $113.37 $28.4 Million - $36.8 Million	324,496 Added 1060.96%	355,081 $36.4 Million
Q3 2022 Nov 14, 2022	SELL	$0.0 - $109.19 $0 - $11.6 Million	-106,054 Reduced 77.62%	30,585 $2.66 Million
Q2 2022 Aug 15, 2022	SELL	$94.83 - $140.33 $6.67 Million - $9.87 Million	-70,317 Reduced 33.98%	136,639 $13.4 Million
Q1 2022 May 16, 2022	BUY	$96.43 - $127.2 $1.16 Million - $1.53 Million	12,065 Added 6.19%	206,956 $25.5 Million
Q4 2021 Feb 14, 2022	SELL	$88.62 - $104.51 $36.6 Million - $43.2 Million	-413,202 Reduced 67.95%	194,891 $18.9 Million
Q3 2021 Nov 15, 2021	BUY	$78.98 - $93.55 $10.6 Million - $12.5 Million	133,585 Added 28.15%	608,093 $55.4 Million
Q2 2021 Aug 16, 2021	SELL	$88.5 - $105.19 $32.6 Million - $38.7 Million	-367,872 Reduced 43.67%	474,508 $42.7 Million
Q1 2021 May 17, 2021	BUY	$76.46 - $95.16 $4.22 Million - $5.25 Million	55,167 Added 7.01%	842,380 $74.8 Million
Q4 2020 Feb 16, 2021	BUY	$62.25 - $84.08 $19.5 Million - $26.3 Million	312,694 Added 65.9%	787,213 $64.2 Million
Q3 2020 Nov 16, 2020	BUY	$51.08 - $68.49 $7.32 Million - $9.81 Million	143,280 Added 43.26%	474,519 $30 Million
Q2 2020 Aug 14, 2020	BUY	$35.12 - $59.72 $4.01 Million - $6.82 Million	114,181 Added 52.6%	331,239 $17.8 Million
Q1 2020 May 15, 2020	BUY	$29.87 - $71.26 $5.59 Million - $13.3 Million	187,201 Added 626.99%	217,058 $8.29 Million
Q4 2019 Feb 14, 2020	SELL	$58.61 - $74.82 $746,515 - $952,982	-12,737 Reduced 29.9%	29,857 $2.09 Million
Q3 2019 Nov 14, 2019	SELL	$56.1 - $69.99 $1.78 Million - $2.22 Million	-31,750 Reduced 42.71%	42,594 $2.79 Million
Q2 2019 Aug 14, 2019	SELL	$57.29 - $77.56 $32.9 Million - $44.5 Million	-573,458 Reduced 88.52%	74,344 $5.16 Million
Q1 2019 May 15, 2019	BUY	$64.87 - $80.88 $40.9 Million - $51 Million	630,171 Added 3574.22%	647,802 $0
Q4 2018 Feb 14, 2019	SELL	$60.82 - $83.63 $3.57 Million - $4.91 Million	-58,726 Reduced 76.91%	17,631 $1.17 Million
Q3 2018 Nov 13, 2018	BUY	$83.11 - $111.6 $576,700 - $774,392	6,939 Added 10.0%	76,357 $0
Q2 2018 Aug 10, 2018	SELL	$104.99 - $123.67 $27.9 Million - $32.9 Million	-266,096 Reduced 79.31%	69,418 $0
Q1 2018 May 11, 2018	BUY	$102.09 - $119.95 $28.2 Million - $33.1 Million	275,780 Added 461.68%	335,514 $37.3 Million
Q4 2017 Feb 09, 2018	SELL	$83.1 - $106.53 $69.4 Million - $89 Million	-835,154 Reduced 93.32%	59,734 $6.36 Million
Q3 2017 Nov 09, 2017	BUY	$69.16 - $83.55 $61.9 Million - $74.8 Million	894,888	894,888 $74.4 Million

Others Institutions Holding WLK

# of Institutions

359

Shares Held

38.9M

Call Options Held

234K

Put Options Held

764K

View Full List

About WESTLAKE CORP

Ticker WLK
Exchange NYSE
Sector Basic Materials
Industry Specialty Chemicals
Shares Outstandng 127,961,000
Market Cap $11.1B
Description
Westlake Corporation manufactures and supplies petrochemicals, polymers, and building products worldwide. It operates through two segments, Performance and Essential Materials; and Housing and Infrastructure Products. The Performance and Essential Materials segment manufactures and markets polyethylene, styrene monomer, ethylene co-products, PVC...

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