GREAT LAKES ADVISORS, LLC

Position in CECO — Ceco Environmental Corp

CIK 1078013 CHICAGO, IL

Position in CECO

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$5,426,009

-$1,600,559 QoQ

Shares Held

91,071

-22.4% QoQ

Ownership

0.254%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

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

Industrials · as of Mar 31, 2026

GREAT LAKES ADVISORS, LLC holds $6,571,779 across 4 Pollution & Treatment Controls names. CECO ranks #1 (82.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp This page	91,071	$5,426,009
2	ZWS	Zurn Elkay Water Solutions Corp	11,421	$512,117
3	ERII	Energy Recovery, Inc.	32,395	$326,217
4	VLTO	Veralto Corp	3,477	$307,436

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,426,009	91,071	-22.4%	Shares	Sole	2026-05-12
2025-12-31	$7,026,568	117,403	-2.2%	Shares	Other	2026-02-12
2025-09-30	$6,146,867	120,056	-8.2%	Shares	Other	2025-11-03
2025-06-30	$3,702,353	130,779	-2.6%	Shares	Sole	2025-08-11
2025-03-31	$3,062,769	134,332	-16.1%	Shares	Sole	2025-05-16
2024-12-31	$4,840,426	160,120	-3.3%	Shares	Sole	2025-02-10
2024-09-30	$4,669,750	165,594	-26.3%	Shares	Sole	2024-11-04
2024-06-30	$6,479,623	224,597	-5.5%	Shares	Sole	2024-08-06
2024-03-31	$5,473,626	237,777	+77.3%	Shares	Sole	2024-05-08
2023-12-31	$2,719,973	134,121	—	Shares	Sole	2024-02-08
No filing history on record for this holder in this stock.