Company Analysis

Abivax SA (ABVX)

Nasdaq: ABVX · Pharmaceutical Preparations · Paris · filing with the SEC since 2022
Grade5.7
◀ Past 5.1● Present 5.3▶ Future 6.3
7 est.

Who owns Abivax SA

As filed with the SEC
Holders of 5% or more
2
Chen Yu holds 7% of Ordinary Shares, par value Euro 0.01 per share, as its SCHEDULE 13G/A filed Aug 14, 2026 says.
Directors and officers
0
report now, of 0 people on the record since . Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Chen Yu
SCHEDULE 13G/A · filed Aug 14, 2026 · Ordinary Shares, par value Euro 0.01 per share · 9.1% in Nov 14, 2025
7%
Invus Public Equities, L.P.
SCHEDULE 13G/A · filed Aug 13, 2026 · Ordinary Shares, nominal value Euro 0.01 per share · 5% in Feb 13, 2026
6%
Deep Track Capital, LP
SCHEDULE 13G/A · filed Aug 14, 2025 · Ordinary Shares (represented by American Depository Shares) · reported falling below 5%
under 5%
Sofinnova Crossover I SLP
SCHEDULE 13D/A · filed Jul 6, 2026 · Ordinary Shares, par value EUR0.01 per share · reported falling below 5%, from 6.7% in May 11, 2026
under 5%
Venrock Healthcare Capital Partners III, L.P.
SCHEDULE 13G/A · filed Nov 14, 2025 · Ordinary Shares, nominal value 0.01 euro per share · reported falling below 5%
under 5%
What ABVX reports owning in othersstakes of 5% or more, and other ties
Abivax SA reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton ABVX · research, not advice