EcoR1 Capital, LLC - 17 Jul 2025 SCHEDULE 13G Report for HilleVax, Inc. Common Stock (HLVX)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Security
HilleVax, Inc. Common Stock
Symbol
HLVX
Shares outstanding
49,862,069 shares
Disclosed Ownership
2,892,000 shares
Ownership
5.8%
Form type
SCHEDULE 13G
Filing time
24 Jul 2025, 17:30:59 UTC
Date of event
17 Jul 2025
Next filing
14 Nov 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
EcoR1 Capital, LLC 5.8% 2,892,000 0 2,892,000 /s/ Oleg Nodelman Manager
Oleg Nodelman 5.8% 2,892,000 0 2,892,000 /s/ Oleg Nodelman Reporting person
EcoR1 Capital Fund Qualified, L.P. 5.4% 2,709,498 0 2,709,498 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC