JANUS HENDERSON GROUP PLC

Position in WLK — Westlake Corp

CIK 1274173 LONDON, X0

Back to WLK Full portfolio

Position in WLK

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$31,516,049

+$6,776,244 QoQ

Shares Held

269,783

-19.4% QoQ

Ownership

0.211%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 93.99517389902255.ToString("F0")% None 6.004826100977452.ToString("F0")%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

JANUS HENDERSON GROUP PLC holds $970,379,263 across 35 Specialty Chemicals names. WLK ranks #5 (3.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc.	1,701,151	$452,540,187
2	SXT	Sensient Technologies Corp	1,905,920	$164,747,723
3	PRM	Perimeter Solutions, Inc.	4,007,536	$97,864,028
4	SOLS	Solstice Advanced Materials Inc.	517,163	$39,387,133
5	WLK	Westlake Corp This page	269,783	$31,516,049
6	AXTA	Axalta Coating Systems Ltd.	1,036,806	$28,719,525
7	LIN	Linde PLC	56,668	$28,093,727
8	KWR	Quaker Chemical Corp	199,349	$24,765,125

All Filings in WLK

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$31,516,049	269,783	-19.4%	Shares	Defined	2026-05-18
2025-12-31	$24,739,805	334,593	-8.6%	Shares	Defined	2026-02-17
2025-09-30	$28,202,725	365,984	+70.8%	Shares	Defined	2025-11-14
2025-06-30	$16,270,356	214,281	-45.7%	Shares	Defined	2025-08-14
2025-03-31	$39,463,933	394,521	+6.0%	Shares	Defined	2025-05-15
2024-12-31	$42,672,270	372,196	+84.8%	Shares	Defined	2025-02-14
2024-09-30	$30,269,156	201,405	+84.0%	Shares	Defined	2024-11-14
2024-06-30	$15,847,941	109,432	+0.2%	Shares	Defined	2024-08-14
2024-03-31	$16,686,370	109,204	-36.7%	Shares	Defined	2024-05-15
2023-12-31	$24,134,561	172,439	-16.1%	Shares	Defined	2024-02-14
2023-09-30	$25,633,896	205,614	+40.3%	Shares	Defined	2023-11-14
2023-06-30	$17,511,194	146,574	-25.1%	Shares	Defined	2023-08-14
2023-03-31	$22,689,050	195,629	-14.0%	Shares	Defined	2023-05-15
2022-12-31	$23,335,538	227,575	-24.0%	Shares	Defined	2023-02-14
2022-09-30	$26,031,244	299,623	+5.8%	Shares	Defined	2023-01-13
2022-06-30	$27,750,539	283,111	-15.7%	Shares	Defined	2022-08-15
2022-03-31	$41,454,871	335,939	-26.5%	Shares	Defined	2022-05-16
2021-12-31	$44,373,937	456,851	-19.9%	Shares	Defined	2022-02-14
2021-09-30	$52,003,299	570,587	+100.5%	Shares	Defined	2021-11-16
2021-06-30	$25,638,082	284,583	-1.3%	Shares	Defined	2021-08-16
2021-03-31	$25,595,848	288,274	+2.2%	Shares	Defined	2021-05-17
2020-12-31	$23,026,948	282,193	-39.6%	Shares	Defined	2021-02-16
2020-09-30	$29,543,085	467,306	-24.8%	Shares	Defined	2020-11-16
2020-06-30	$33,345,406	621,536	-11.7%	Shares	Defined	2020-08-14
2020-03-31	$26,863,778	703,793	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.