HBM Healthcare Investments (Cayman) Ltd. - Dec 31, 2024 SCHEDULE 13G Report for Upstream Bio, Inc. Common Stock, par value $0.001 per share (UPB)

Filing Manager: HBM Healthcare Investments (Cayman) Ltd.
Reporting Manager: HBM Healthcare Investments (Cayman) Ltd.
Security: Upstream Bio, Inc. Common Stock, par value $0.001 per share
Symbol: UPB
Shares outstanding: 53.2M shares
Disclosed Ownership: 2.72M shares
Ownership: 5.1%
Form type: SCHEDULE 13G
Date filed: 2/13/2025, 04:16 PM
Date of event: Dec 31, 2024
Next filing: Nov 14, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
HBM Healthcare Investments (Cayman) Ltd.	5.1%	2.72M	2.72M	0	/s/ Jean-Marc LeSieur	Jean-Marc LeSieur, Managing Director