Acorn Bioventures, L.P. - Aug 19, 2025 SCHEDULE 13G/A Report for Y-mAbs Therapeutics, Inc. Common stock, par value $0.0001 per share (YMAB)

Filing Manager
Acorn Bioventures, L.P.
Reporting Manager
Anders Hove
Security
Y-mAbs Therapeutics, Inc. Common stock, par value $0.0001 per share
Symbol
YMAB
Shares outstanding
45.1M shares
Disclosed Ownership
2.8M shares
Ownership
6.2%
Form type
SCHEDULE 13G/A
Date filed
8/20/2025, 12:32 PM
Date of event
Aug 19, 2025
Previous filing
Aug 15, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ACORN BIOVENTURES, L.P. 2.6% 1.18M 0 1.18M Anders Hove Manager of General Partner
ACORN CAPITAL ADVISORS GP, LLC 2.6% 1.18M 0 1.18M Anders Hove Manager
ACORN BIOVENTURES 2, L.P. 3.6% 1.62M 0 1.62M Anders Hove Manager of General Partner
Acorn Capital Advisors GP 2, LLC 3.6% 1.62M 0 1.62M Anders Hove Manager
Anders Hove 6.2% 2.8M 0 2.8M Anders Hove Individually