PDT Partners, LLC

Position in WLK — Westlake Corp

CIK 1564702 New York, NY

Position in WLK

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$8,852,269

+$4,047,870 QoQ

Shares Held

75,777

+16.6% QoQ

Ownership

0.059%

of shares outstanding

% of Portfolio

0.53%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

10 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

PDT Partners, LLC holds $55,332,634 across 10 Specialty Chemicals names. WLK ranks #4 (16.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALB	Albemarle Corp	80,551	$14,461,321
2	LYB	LyondellBasell Industries N.V.	132,400	$10,666,144
3	SOLS	Solstice Advanced Materials Inc.	137,319	$10,458,215
4	WLK	Westlake Corp This page	75,777	$8,852,269
5	SCL	Stepan Co	54,115	$2,704,667
6	IOSP	Innospec Inc.	34,576	$2,524,739
7	ODC	Oil-Dri Corp of America	32,805	$2,135,277
8	MATV	Mativ Holdings, Inc.	238,712	$2,076,794

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,852,269	75,777	+16.6%	Shares	Sole	2026-05-15
2025-12-31	$4,804,399	64,977	+232.9%	Shares	Sole	2026-02-17
2025-09-30	$1,504,211	19,520	+925.7%	Shares	Sole	2025-11-17
2024-06-30	$275,592	1,903	-1.0%	Shares	Sole	2024-08-15
2024-03-31	$293,834	1,923	-87.4%	Shares	Sole	2024-05-15
2022-09-30	$1,323,703	15,236	-58.1%	Shares	Sole	2022-11-14
2022-06-30	$3,561,556	36,335	+284.8%	Shares	Sole	2022-08-15
2022-03-31	$1,165,266	9,443	+0.9%	Shares	Sole	2022-05-16
2021-12-31	$908,845	9,357	-6.2%	Shares	Sole	2022-02-14
2021-06-30	$898,557	9,974	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.