TCG Crossover GP I, LLC - 30 Sep 2025 SCHEDULE 13G/A Report for Abivax SA Ordinary Shares, par value Euro 0.01 per share (ABVX)

Filing Manager
TCG Crossover GP I, LLC
Reporting Manager
Chen Yu
Security
Abivax SA Ordinary Shares, par value Euro 0.01 per share
Symbol
ABVX
Shares outstanding
78,149,407 shares
Disclosed Ownership
7,111,596 shares
Ownership
9.1%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:22:54 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
TCG Crossover GP I, LLC 8.3% 6,456,596 0 6,456,596 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover Fund I, L.P. 8.3% 6,456,596 0 6,456,596 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover GP II, LLC 0.8% 655,000 0 655,000 /s/ Craig Skaling Craig Skaling, Authorized Signatory
TCG Crossover Fund II, L.P. 0.8% 655,000 0 655,000 /s/ Craig Skaling Craig Skaling, Authorized Signatory
Chen Yu 9.1% 7,111,596 0 7,111,596 /s/ Craig Skaling Craig Skaling, as Attorney-in-Fact for Chen Yu