Filing Manager
Acorn Bioventures, L.P.
Reporting Manager
Anders Hove
Symbol
YMAB
Shares outstanding
44.2M shares
Disclosed Ownership
3.1M shares
Ownership
7%
Form type
SCHEDULE 13G/A
Date filed
8/15/2025, 10:31 AM
Date of event
Aug 14, 2025
Next filing
Aug 20, 2025

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ACORN BIOVENTURES, L.P. 3% 1.3M 0 1.3M Anders Hove Manager of General Partner
ACORN CAPITAL ADVISORS GP, LLC 3% 1.3M 0 1.3M Anders Hove Manager
ACORN BIOVENTURES 2, L.P. 4% 1.79M 0 1.79M Anders Hove Manager of General Partner
Acorn Capital Advisors GP 2, LLC 4% 1.79M 0 1.79M Anders Hove Manager
Anders Hove 7% 3.1M 0 3.1M Anders Hove Individually