Westlake Corporation

CUSIP 960413102COMWLKQ1 2026

13D / 13G Filings

Schedule 13D/13G on record

Beneficial Filers

Distinct reporting persons

Largest Stake

72.2%

Max % of class reported

Institutional Holders

327

13F filers (latest quarter)

6 filings · latest Feb 14, 2024

#	Filed	Reporting Person	Form	% of Class	Shares	Filing
1	Feb 14, 2024	Ttwf LP	13G/A	71.8%	92.01M	SEC
2	Jan 18, 2023	Ttwf LP	13G/A	72.2%	92.01M	SEC
3	Jan 21, 2022	Ttwf LP	13G/A	71.9%	92.01M	SEC
4	Feb 5, 2021	Ttwf LP	13G/A	72.0%	92.01M	SEC
5	Feb 7, 2020	Fmr LLC	13G/A	2.1%	—	SEC
6	Jan 24, 2020	Ttwf LP	13G/A	71.7%	92.01M	SEC

Largest reported positions · latest quarter

#	Fund	Shares	Value
1	Orbis Allan Gray Ltd	5.29M	$618.39M
2	Capital World Investors	4.21M	$491.93M
3	Blackrock, Inc.	3.08M	$359.70M
4	Brandes Investment Partners, LP	1.84M	$215.26M
5	Wellington Management Group LLP	1.79M	$209.52M
6	Dimensional Fund Advisors LP	1.47M	$171.26M
7	Goldman Sachs Group Inc	1.39M	$162.77M
8	State Street Corp	1.38M	$161.27M
9	Fmr LLC	1.31M	$153.32M
10	Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC	981.4K	$114.65M