DIMENSIONAL FUND ADVISORS LP

Position in CECO — Ceco Environmental Corp

CIK 354204 AUSTIN, TX

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Position in CECO

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$53,818,075

+$220,007 QoQ

Shares Held

903,291

+0.9% QoQ

Ownership

2.52%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 90.39335053709159.ToString("F0")% Shared 5.94038908834473.ToString("F0")% None 3.666260374563679.ToString("F0")%

Common Shares in CECO Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $337,628,573 across 5 Pollution & Treatment Controls names. CECO ranks #3 (15.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLTO	Veralto Corp	1,788,026	$158,097,256
2	ZWS	Zurn Elkay Water Solutions Corp	2,563,031	$114,926,308
3	CECO	Ceco Environmental Corp This page	903,291	$53,818,075
4	ERII	Energy Recovery, Inc.	877,431	$8,835,729
5	ARQ	Arq, Inc.	762,190	$1,951,205

All Filings in CECO

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$53,818,075	903,291	+0.9%	Shares	Sole	2026-05-07
2025-12-31	$53,598,068	895,540	-8.3%	Shares	Sole	2026-02-12
2025-09-30	$49,990,757	976,382	-18.6%	Shares	Sole	2025-11-12
2025-06-30	$33,937,912	1,198,796	-4.5%	Shares	Sole	2025-08-12
2025-03-31	$28,606,406	1,254,667	-14.7%	Shares	Sole	2025-05-13
2024-12-31	$44,452,004	1,470,460	-17.3%	Shares	Sole	2025-02-13
2024-09-30	$50,125,555	1,777,502	-13.8%	Shares	Sole	2024-11-07
2024-06-30	$59,497,814	2,062,316	-8.0%	Shares	Sole	2024-08-09
2024-03-31	$51,601,861	2,241,610	-3.7%	Shares	Sole	2024-05-10
2023-12-31	$47,189,773	2,326,912	-0.7%	Shares	Sole	2024-02-07
2023-09-30	$37,421,461	2,343,235	-0.1%	Shares	Sole	2023-11-09
2023-06-30	$31,331,176	2,345,148	-1.3%	Shares	Sole	2023-08-09
2023-03-31	$33,240,448	2,376,015	+0.7%	Shares	Sole	2023-05-12
2022-12-31	$27,547,674	2,358,534	+2.5%	Shares	Sole	2023-02-09
2022-09-30	$20,354,741	2,299,971	+3.3%	Shares	Sole	2022-11-10
2022-06-30	$13,320,741	2,227,549	-0.4%	Shares	Sole	2022-08-12
2022-03-31	$12,283,479	2,237,428	-1.1%	Shares	Defined	2022-05-13
2021-12-31	$14,088,204	2,261,349	-2.5%	Shares	Defined	2022-02-09
2021-09-30	$16,325,950	2,319,027	-3.0%	Shares	Defined	2021-11-12
2021-06-30	$17,122,302	2,391,383	+0.3%	Shares	Defined	2021-08-12
2021-03-31	$18,904,937	2,383,977	-2.0%	Shares	Defined	2021-05-14
2020-12-31	$16,929,991	2,432,470	-0.8%	Shares	Defined	2021-03-08
2020-09-30	$17,884,498	2,453,292	+0.1%	Shares	Defined	2020-11-12
2020-06-30	$16,156,498	2,451,669	+1.4%	Shares	Defined	2020-08-13
2020-03-31	$11,295,641	2,418,767	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.