BIOTECHNOLOGY VALUE FUND L P - 31 Mar 2025 SCHEDULE 13G/A Report for Vigil Neuroscience, Inc. Common Stock, par value $0.0001 per share (VIGL)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Vigil Neuroscience, Inc. Common Stock, par value $0.0001 per share
Symbol
VIGL
Shares outstanding
47.4M shares
Disclosed Ownership
4.73M shares
Ownership
9.99%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 16:42:33 UTC
Date of event
31 Mar 2025
Next filing
14 Aug 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 5.4% 2.54M 0 2.54M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 5.4% 2.54M 0 2.54M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 4.1% 1.9M 0 1.9M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 4.1% 1.9M 0 1.9M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.5% 213K 0 213K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.5% 213K 0 213K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 9.4% 4.44M 0 4.44M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 9.99% 4.73M 0 4.73M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 9.99% 4.73M 0 4.73M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 9.99% 4.73M 0 4.73M /s/ Mark N. Lampert Mark N. Lampert