Pictet Asset Management Sa - Oct 16, 2025 SCHEDULE 13D/A Report for TETRA TECH INC COMMON STOCK (TTEK)

Filing Manager: Pictet Asset Management Sa
Reporting Manager: PICTET ASSET MANAGEMENT SA
Security: TETRA TECH INC COMMON STOCK
Symbol: TTEK
Shares outstanding: 265M shares
Disclosed Ownership: 13M shares
Ownership: 4.9%
Form type: SCHEDULE 13D/A
Date filed: 10/17/2025, 01:09 PM
Date of event: Oct 16, 2025
Previous filing: Apr 15, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
PICTET ASSET MANAGEMENT SA	4.9%	13M	11.8M		Karine Valtanen	Global Head of Compliance	0001361570