David A. Siegel Westlake Corp Transaction History

Two Sigma Advisers, LP

$46.1 Billion
Q2 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Westlake Corp stock. As of the latest transaction made, Two Sigma Advisers, LP holds 158,500 shares of WLK stock, worth $12.1 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

158,500

Previous 166,100 4.58%

Holding current value

$12.1 Million

Previous $16.6 Million 27.57%

% of portfolio

0.03%

Previous 0.04%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$69.83 - $102.01 $530,708 - $775,276	-7,600 Reduced 4.58%	158,500 $12 Million
Q1 2025 May 15, 2025	BUY	$99.12 - $119.16 $6.25 Million - $7.52 Million	63,100 Added 61.26%	166,100 $16.6 Million
Q4 2024 Feb 14, 2025	BUY	$113.23 - $148.98 $7.67 Million - $10.1 Million	67,700 Added 191.78%	103,000 $11.8 Million
Q3 2024 Nov 14, 2024	BUY	$133.5 - $150.97 $1.79 Million - $2.02 Million	13,400 Added 61.19%	35,300 $5.31 Million
Q2 2024 Aug 14, 2024	SELL	$144.82 - $162.06 $5.95 Million - $6.66 Million	-41,100 Reduced 65.24%	21,900 $3.17 Million
Q1 2024 May 15, 2024	SELL	$132.81 - $152.8 $942,951 - $1.08 Million	-7,100 Reduced 10.13%	63,000 $9.63 Million
Q4 2023 Feb 14, 2024	BUY	$113.19 - $142.69 $6.13 Million - $7.73 Million	54,200 Added 340.88%	70,100 $9.81 Million
Q3 2023 Nov 14, 2023	BUY	$116.44 - $137.5 $1.85 Million - $2.19 Million	15,900 New	15,900 $1.98 Million
Q1 2022 May 16, 2022	SELL	$96.43 - $127.2 $636,438 - $839,520	-6,600 Closed	0 $0
Q4 2021 Feb 14, 2022	SELL	$88.62 - $104.51 $921,648 - $1.09 Million	-10,400 Reduced 61.18%	6,600 $641,000
Q3 2021 Nov 15, 2021	SELL	$78.98 - $93.55 $410,696 - $486,460	-5,200 Reduced 23.42%	17,000 $1.55 Million
Q2 2021 Aug 16, 2021	BUY	$88.5 - $105.19 $531,000 - $631,140	6,000 Added 37.04%	22,200 $2 Million
Q1 2021 May 17, 2021	BUY	$76.46 - $95.16 $1.24 Million - $1.54 Million	16,200 New	16,200 $1.44 Million
Q3 2020 Nov 16, 2020	SELL	$51.08 - $68.49 $521,935 - $699,830	-10,218 Closed	0 $0
Q2 2020 Aug 14, 2020	SELL	$35.12 - $59.72 $94,824 - $161,244	-2,700 Reduced 20.9%	10,218 $548,000
Q1 2020 May 15, 2020	BUY	$29.87 - $71.26 $385,860 - $920,536	12,918 New	12,918 $493,000
Q3 2018 Nov 14, 2018	SELL	$83.11 - $111.6 $576,118 - $773,611	-6,932 Closed	0 $0
Q2 2018 Aug 14, 2018	SELL	$104.99 - $123.67 $7.54 Million - $8.88 Million	-71,800 Reduced 91.2%	6,932 $746,000
Q1 2018 May 15, 2018	BUY	$102.09 - $119.95 $3.95 Million - $4.64 Million	38,700 Added 96.67%	78,732 $8.75 Million
Q4 2017 Feb 14, 2018	BUY	$83.1 - $106.53 $3.33 Million - $4.26 Million	40,032	40,032 $4.27 Million

Others Institutions Holding WLK

# of Institutions

361

Shares Held

38.7M

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 $9.73B
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...

More about WLK

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