ROYCE & ASSOCIATES LP

Position in CECO — Ceco Environmental Corp

CIK 906304 New York, NY

Position in CECO

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

Position Value

$49,319,191

+$4,989,075 QoQ

Shares Held

827,781

+11.8% QoQ

Ownership

2.31%

of shares outstanding

% of Portfolio

0.49%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

15 quarters on record

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

Industrials · as of Mar 31, 2026

ROYCE & ASSOCIATES LP holds $58,659,198 across 3 Pollution & Treatment Controls names. CECO ranks #1 (84.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp This page	827,781	$49,319,191
2	ERII	Energy Recovery, Inc.	483,018	$4,863,991
3	ARQ	Arq, Inc.	1,748,444	$4,476,016

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$49,319,191	827,781	+11.8%	Shares	Sole	2026-05-12
2025-12-31	$44,330,116	740,687	-10.2%	Shares	Sole	2026-02-09
2025-09-30	$42,248,192	825,160	-17.9%	Shares	Sole	2025-11-12
2025-06-30	$28,468,904	1,005,613	+6.4%	Shares	Sole	2025-08-11
2025-03-31	$21,546,045	945,002	+3.3%	Shares	Sole	2025-05-06
2024-12-31	$27,666,858	915,212	+27.2%	Shares	Sole	2025-02-10
2024-09-30	$20,297,993	719,787	-18.4%	Shares	Sole	2024-11-06
2024-06-30	$25,445,324	881,987	-9.1%	Shares	Sole	2024-08-13
2024-03-31	$22,340,933	970,501	-1.9%	Shares	Sole	2024-05-13
2023-12-31	$20,072,211	989,754	-7.1%	Shares	Sole	2024-02-12
2023-09-30	$17,008,912	1,065,054	+29.9%	Shares	Sole	2023-11-09
2023-06-30	$10,951,512	819,724	+177.9%	Shares	Sole	2023-08-07
2023-03-31	$4,127,050	295,000	+2.3%	Shares	Sole	2023-05-23
2020-12-31	$2,007,312	288,407	-16.6%	Shares	Sole	2021-02-08
2020-09-30	$2,521,698	345,912	—	Shares	Sole	2020-11-12
No filing history on record for this holder in this stock.