BLAIR WILLIAM & CO/IL

Position in CECO — Ceco Environmental Corp

CIK 902367 CHICAGO, IL

Position in CECO

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$210,244

New position

Shares Held

2,317

first reported quarter

Ownership

0.004%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#278

of 341 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 92% Shared 0% None 8%

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $8,810,548 across 3 Pollution & Treatment Controls names. CECO ranks #2 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLTO	Veralto Corp	94,752	$8,402,607
2	CECO	Ceco Environmental Corp This page	2,317	$210,244
3	PCT	PureCycle Technologies, Inc.	24,377	$197,697

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$210,244	2,317	—	Shares	Sole	2026-08-11
No filing history on record for this holder in this stock.