Biotechnology Value Fund L P - Sep 30, 2025 SCHEDULE 13G/A Report for Zymeworks Inc. Common Stock, $0.00001 par value per share (ZYME)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Zymeworks Inc. Common Stock, $0.00001 par value per share
Symbol
ZYME
Shares outstanding
75.7M shares
Disclosed Ownership
3.94M shares
Ownership
5.2%
Form type
SCHEDULE 13G/A
Date filed
11/14/2025, 04:26 PM
Date of event
Sep 30, 2025
SEC
View on sec.gov

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 2.7% 2.05M 0 2.05M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 2.7% 2.05M 0 2.05M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 2.1% 1.6M 0 1.6M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 2.1% 1.6M 0 1.6M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.3% 213K 0 213K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.3% 213K 0 213K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 4.9% 3.65M 0 3.65M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 5.2% 3.94M 0 3.94M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 5.2% 3.94M 0 3.94M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 5.2% 3.94M 0 3.94M /s/ Mark N. Lampert Mark N. Lampert