MARSHALL WACE, LLP

Position in ZWS — Zurn Elkay Water Solutions Corp

CIK 1318757 LONDON, X0

Position in ZWS

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

Position Value

$3,665,759

+$3,264,644 QoQ

Shares Held

81,752

+847.5% QoQ

Ownership

0.049%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

14 quarters on record

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

Industrials · as of Mar 31, 2026

MARSHALL WACE, LLP holds $27,674,853 across 6 Pollution & Treatment Controls names. ZWS ranks #3 (13.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp	251,904	$15,008,439
2	VLTO	Veralto Corp	60,940	$5,388,314
3	ZWS	Zurn Elkay Water Solutions Corp This page	81,752	$3,665,759
4	ARQ	Arq, Inc.	809,705	$2,072,844
5	ERII	Energy Recovery, Inc.	106,297	$1,070,409
6	ZONE	CleanCore Solutions, Inc.	1,317,667	$469,088

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,665,759	81,752	+847.5%	Shares	Other	2026-05-15
2025-12-31	$401,115	8,628	-23.8%	Shares	Other	2026-02-13
2025-09-30	$532,755	11,328	-49.3%	Shares	Other	2025-11-13
2025-06-30	$816,570	22,329	+14.0%	Shares	Other	2025-08-13
2025-03-31	$645,879	19,584	-43.5%	Shares	Other	2025-05-15
2024-06-30	$1,018,768	34,652	+45.7%	Shares	Other	2024-08-14
2023-12-31	$699,663	23,790	-83.4%	Shares	Other	2024-02-14
2023-03-31	$3,057,832	143,157	-90.8%	Shares	Other	2023-05-15
2022-12-31	$33,075,385	1,563,848	-10.3%	Shares	Other	2023-02-14
2022-09-30	$42,700,192	1,742,865	-17.0%	Shares	Other	2022-11-14
2022-06-30	$57,202,855	2,099,958	+75.2%	Shares	Other	2022-08-15
2022-03-31	$42,424,882	1,198,443	-6.2%	Shares	Other	2022-05-16
2021-12-31	$46,491,317	1,277,234	+20388.2%	Shares	Other	2022-02-14
2021-09-30	$193,055	6,234	—	Shares	Sole	2021-11-15
No filing history on record for this holder in this stock.