BRANDES INVESTMENT PARTNERS, LP

Position in WLK — Westlake Corp

CIK 1015079 LA JOLLA, CA

Position in WLK

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

Position Value

$215,258,371

+$91,754,395 QoQ

Shares Held

1,842,650

+10.3% QoQ

Ownership

1.44%

of shares outstanding

% of Portfolio

1.55%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 91% Shared 0% None 9%

Basic Materials · as of Mar 31, 2026

BRANDES INVESTMENT PARTNERS, LP holds $355,103,423 across 3 Specialty Chemicals names. WLK ranks #1 (60.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WLK	Westlake Corp This page	1,842,650	$215,258,371
2	IFF	International Flavors & Fragrances Inc	1,105,503	$80,204,241
3	MTX	Minerals Technologies Inc	840,959	$59,640,811

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$215,258,371	1,842,650	+10.3%	Shares	Defined	2026-05-15
2025-12-31	$123,503,976	1,670,327	+7.9%	Shares	Defined	2026-02-11
2025-09-30	$119,342,358	1,548,694	+6.3%	Shares	Defined	2025-11-14
2025-06-30	$110,620,213	1,456,871	+246.0%	Shares	Defined	2025-08-13
2025-03-31	$42,114,629	421,020	+326.2%	Shares	Defined	2025-05-15
2022-03-31	$12,190,191	98,786	-28.8%	Shares	Defined	2022-05-10
2021-12-31	$13,481,157	138,795	+2.7%	Shares	Defined	2022-02-11
2021-09-30	$12,317,296	135,147	+39.7%	Shares	Defined	2021-11-12
2021-06-30	$8,715,035	96,737	+80.7%	Shares	Defined	2021-08-11
2021-03-31	$4,753,016	53,531	+21.2%	Shares	Defined	2021-05-14
2020-12-31	$3,603,699	44,163	+6.4%	Shares	Defined	2021-02-11
2020-09-30	$2,623,185	41,493	-24.1%	Shares	Defined	2020-11-12
2020-06-30	$2,932,294	54,656	-12.2%	Shares	Defined	2020-08-12
2020-03-31	$2,375,318	62,230	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.