FMR LLC

Position in WLK — Westlake Corp

CIK 315066 BOSTON, MA

Back to WLK Full portfolio

Position in WLK

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$26,370,739

-$126,952,355 QoQ

Shares Held

361,243

-72.5% QoQ

Ownership

0.283%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#24

of 358 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 99% Shared 0% None 1%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

FMR LLC holds $11,217,116,753 across 50 Specialty Chemicals names. WLK ranks #23 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LIN	Linde PLC	8,316,540	$4,315,785,265
2	SHW	Sherwin Williams Co	7,420,526	$2,555,035,508
3	ESI	Element Solutions Inc	17,485,379	$834,926,846
4	LYB	LyondellBasell Industries N.V.	8,281,129	$436,001,441
5	ECL	Ecolab Inc.	1,526,292	$425,240,212
6	APD	Air Products & Chemicals, Inc.	1,318,649	$386,601,511
7	ALB	Albemarle Corp	2,685,901	$362,677,210
8	MTX	Minerals Technologies Inc	4,637,632	$343,045,638

All Filings in WLK

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$26,370,739	361,243	-72.5%	Shares	Defined	2026-08-13
2026-03-31	$153,323,094	1,312,473	+473.5%	Shares	Defined	2026-05-15
2025-12-31	$16,920,650	228,843	-27.2%	Shares	Defined	2026-02-17
2025-09-30	$24,223,809	314,350	-80.5%	Shares	Defined	2025-11-13
2025-06-30	$122,645,021	1,615,238	+4.3%	Shares	Defined	2025-08-14
2025-03-31	$154,933,065	1,548,866	+7.7%	Shares	Defined	2025-05-12
2024-12-31	$164,935,833	1,438,603	-47.3%	Shares	Defined	2025-02-13
2024-09-30	$410,292,599	2,730,006	-33.6%	Shares	Defined	2024-11-13
2024-06-30	$595,633,940	4,112,926	-5.6%	Shares	Defined	2024-08-13
2024-03-31	$665,549,430	4,355,690	+1.2%	Shares	Defined	2024-05-13
2023-12-31	$602,150,186	4,302,302	-7.1%	Shares	Defined	2024-02-13
2023-09-30	$577,343,650	4,630,975	+2.1%	Shares	Defined	2023-11-13
2023-06-30	$541,775,300	4,534,823	+7.3%	Shares	Defined	2023-08-11
2023-03-31	$489,973,860	4,224,641	+17.5%	Shares	Defined	2023-08-11
2022-12-31	$368,596,741	3,594,663	+0.7%	Shares	Defined	2023-02-13
2022-09-30	$310,064,726	3,568,885	+19.8%	Shares	Defined	2022-11-10
2022-06-30	$291,985,797	2,978,839	+72.2%	Shares	Defined	2022-08-12
2022-03-31	$213,512,725	1,730,249	+55.8%	Shares	Defined	2022-05-13
2021-12-31	$107,892,779	1,110,808	+49.1%	Shares	Defined	2022-02-14
2021-09-30	$67,877,698	744,763	-63.7%	Shares	Defined	2022-02-14
2021-06-30	$184,900,895	2,052,402	+103.7%	Shares	Defined	2021-08-13
2021-03-31	$89,481,140	1,007,784	+80.5%	Shares	Defined	2021-05-14
2020-12-31	$45,570,335	558,460	-49.6%	Shares	Defined	2021-02-08
2020-09-30	$70,089,801	1,108,665	-26.5%	Shares	Defined	2020-11-13
2020-06-30	$80,880,700	1,507,562	-20.2%	Shares	Defined	2020-08-24
2020-03-31	$72,102,710	1,888,989	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.