Who Owns CECO ENVIRONMENTAL CORP (CECO)? -- Institutional Holders (2026-06-30)

367 institutions reported holding $4.77B of CECO ENVIRONMENTAL CORP (CECO) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($410.5M), BlackRock, Inc. ($392.4M), VANGUARD GROUP INC ($294.6M), DIMENSIONAL FUND ADVISORS LP ($198.3M), T. Rowe Price Investment Management, Inc. ($195.4M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	FMR LLC	$410.5M	4.5M	Added
2	BlackRock, Inc.	$392.4M	4.3M	Added
3	VANGUARD GROUP INC	$294.6M	3.2M	Added
4	DIMENSIONAL FUND ADVISORS LP	$198.3M	2.2M	Added
5	T. Rowe Price Investment Management, Inc.	$195.4M	2.2M	Added
6	AMERICAN CENTURY COMPANIES INC	$189.5M	2.1M	Added
7	Driehaus Capital Management LLC	$141.6M	1.6M	Added
8	GEODE CAPITAL MANAGEMENT, LLC	$132.5M	1.5M	Added
9	Divisadero Street Capital Management, LP	$120.7M	1.3M	Added
10	STATE STREET CORP	$114.8M	1.3M	Added
11	Capital World Investors	$105.0M	1.2M	Added
12	TWO SIGMA INVESTMENTS, LP	$92.0M	1.0M	Added
13	NEEDHAM INVESTMENT MANAGEMENT LLC	$86.9M	957,500	Added
14	Jupiter Topco LLC	$86.2M	949,904	New
15	ROYCE & ASSOCIATES LP	$76.4M	842,317	Added
16	PRICE T ROWE ASSOCIATES INC /MD/	$75.8M	835,692	Added
17	EMERALD ADVISERS, LLC	$66.9M	736,784	Added
18	KING LUTHER CAPITAL MANAGEMENT CORP	$65.1M	716,925	Trimmed
19	Invesco Ltd.	$60.6M	667,929	Added
20	LORD, ABBETT & CO. LLC	$58.3M	642,111	Added
21	IES Holdings, Inc.	$56.6M	623,527	Added
22	Thrivent Financial for Lutherans	$55.2M	607,981	Trimmed
23	GW&K Investment Management, LLC	$54.6M	601,544	New
24	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$51.6M	568,484	Added
25	NORTHERN TRUST CORP	$44.7M	492,491	Added

Source: SEC Form 13F filings · as of 2026-06-30