Filing Manager
TCG Crossover GP I, LLC
Reporting Manager
Chen Yu
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

Quoteable Key Fact

"TCG Crossover GP I, LLC disclosed 9.1% ownership in Abivax SA Ordinary Shares, par value Euro 0.01 per share (ABVX) on 30 Sep 2025."

Quick Takeaways

  • TCG Crossover GP I, LLC filed SCHEDULE 13G/A for Abivax SA Ordinary Shares, par value Euro 0.01 per share (ABVX).
  • Disclosed ownership: 9.1%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 16:22.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

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
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