Alta Partners LLC - Aug 27, 2025 SCHEDULE 13G Report for QT IMAGING HOLDINGS, INC. Common Stock, par value $0.0001 per sahre (QTIH)

Filing Manager: Alta Partners LLC
Reporting Manager: Alta Partners LLC
Security: QT IMAGING HOLDINGS, INC. Common Stock, par value $0.0001 per sahre
Symbol: QTIH
Shares outstanding: 30.3M shares
Disclosed Ownership: 1.7M shares
Ownership: 5.6%
Form type: SCHEDULE 13G
Date filed: 8/28/2025, 04:05 PM
Date of event: Aug 27, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Alta Partners LLC	5.6%	1.7M	1.7M	0	/s/ Steven Cohen	Steven Cohen, Managing Member