Sofinnova Crossover I - 28 Oct 2025 SCHEDULE 13D/A Report for Abivax SA Ordinary Shares, par value (euro)0.01 per share (ABVX)

Filing Manager
Sofinnova Crossover I
Reporting Manager
Sofinnova Crossover I SLP
Security
Abivax SA Ordinary Shares, par value (euro)0.01 per share
Symbol
ABVX
Shares outstanding
89,356,149 shares
Disclosed Ownership
8,399,478 shares
Ownership
9.4%
Form type
SCHEDULE 13D/A
Filing time
30 Oct 2025, 16:08:59 UTC
Date of event
28 Oct 2025
Previous filing
31 Jul 2025
Next filing
14 Jan 2026
SEC
View on sec.gov

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Quoteable Key Fact

"Sofinnova Crossover I disclosed 9.4% ownership in Abivax SA Ordinary Shares, par value (euro)0.01 per share (ABVX) on 28 Oct 2025."

Quick Takeaways

  • Sofinnova Crossover I filed SCHEDULE 13D/A for Abivax SA Ordinary Shares, par value (euro)0.01 per share (ABVX).
  • Disclosed ownership: 9.4%.
  • Date of event: 28 Oct 2025.

What Changed

  • Previous schedule filing date: 31 Jul 2025.
  • Current filing was accepted on 30 Oct 2025, 16:08.

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.

Official SEC Source

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Sofinnova Crossover I SLP 9.4% 8,399,478 8,399,478 0 /s/ Antoine Papiernik Managing Partner 0001845105
Sofinnova Partners SAS 9.4% 8,399,478 8,399,478 0 /s/ Antoine Papiernik Managing Partner 0001574139
Antoine Papiernik 9.4% 8,399,478 8,399,478 0 /s/ Antoine Papiernik Antoine Papiernik 0001768408
Cedric Moreau 9.4% 8,399,478 8,399,478 0 /s/ Cedric Moreau Cedric Moreau
Kinam Hong 9.4% 8,399,478 8,399,478 0 /s/ Kinam Hong Kinam Hong
Joseph Anderson 9.4% 8,399,478 8,399,478 0 /s/ Joseph Anderson Joseph Anderson
Jacques Theurillat 9.4% 8,399,478 8,399,478 0 /s/ Jacques Theurillat Jacques Theurillat

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