Capital International Investors - Sep 30, 2025 SCHEDULE 13G/A Report for CECO Environmental Corp. Common Stock (CECO)

Filing Manager: Capital International Investors
Reporting Manager: Capital International Investors
Security: CECO Environmental Corp. Common Stock
Symbol: CECO
Shares outstanding: 35.6M shares
Disclosed Ownership: 1.68M shares
Ownership: 4.7%
Form type: SCHEDULE 13G/A
Date filed: 11/13/2025, 11:04 AM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Capital International Investors	4.7%	1.68M	1.68M	0	Aaron Espin	Senior Vice President