Abivax S.A. - Ordinary Shares, nominal value Euro 0.01 per share (ABVX)

CUSIP: 00370M103

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Ordinary Shares, nominal value Euro 0.01 per share
Shares outstanding
78,459,900
Total 13F shares
51,964,814
Share change
+21,308,910
Total reported value
$4,408,157,076
Put/Call ratio
69%
Price per share
$84.90
Number of holders
165
Value change
+$2,126,922,733
Number of buys
145
Number of sells
24

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Quarterly Holders Quick Answers

What is CUSIP 00370M103?
CUSIP 00370M103 identifies ABVX - Abivax S.A. - Ordinary Shares, nominal value Euro 0.01 per share in SEC institutional holdings data.

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Top shareholders of ABVX - Abivax S.A. - Ordinary Shares, nominal value Euro 0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
TCG Crossover GP I, LLC
13D/G
Chen Yu
9.1%
7,111,596
$603,774,500 $0 30 Sep 2025
Venrock Healthcare Capital Partners III, L.P.
13D/G
0.8%
576,729
$48,964,292 $0 30 Sep 2025
TCG Crossover Management, LLC
13F
Company
7.7%
6,056,596
$46,332,959 30 Jun 2025
13F
Deep Track Capital, LP
13D/G 13F
Company
4.8%
3,480,144
$28,885,195 $0 30 Jun 2025
ADAR1 Capital Management, LLC
13F
Company
3.9%
3,071,340
$23,495,751 30 Jun 2025
13F
Cormorant Asset Management, LP
13F
Company
2.7%
2,130,000
$16,294,500 30 Jun 2025
13F
Caligan Partners LP
13F
Company
2.1%
1,674,400
$12,809,160 30 Jun 2025
13F
Nantahala Capital Management, LLC
13F
Company
1.9%
1,482,994
$11,344,904 30 Jun 2025
13F
FRANKLIN RESOURCES INC
13F
Company
1.7%
1,371,050
$10,488,533 30 Jun 2025
13F
VR Adviser, LLC
13F
Company
1.7%
1,345,780
$10,295,217 30 Jun 2025
13F
GREAT POINT PARTNERS LLC
13F
Company
1.6%
1,291,617
$9,880,870 30 Jun 2025
13F
Octagon Capital Advisors LP
13F
Company
1.6%
1,267,000
$9,692,550 30 Jun 2025
13F
CITADEL ADVISORS LLC
13F
Company
1.6%
1,252,257
$9,579,767 30 Jun 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.6%
1,251,765
$9,576,002 30 Jun 2025
13F
BOOTHBAY FUND MANAGEMENT, LLC
13F
Company
1.1%
870,438
$6,658,851 30 Jun 2025
13F
Aberdeen Group plc
13F
Company
0.91%
710,516
$5,435,447 30 Jun 2025
13F
Saturn V Capital Management LP
13F
Company
0.79%
622,479
$4,761,964 30 Jun 2025
13F
MORGAN STANLEY
13F
Company
0.61%
475,280
$3,635,892 30 Jun 2025
13F
Ensign Peak Advisors, Inc
13F
Company
0.58%
455,684
$3,485,983 30 Jun 2025
13F
KENNEDY CAPITAL MANAGEMENT LLC
13F
Company
0.31%
241,188
$1,845,088 30 Jun 2025
13F
Woodline Partners LP
13F
Company
0.23%
183,800
$1,406,070 30 Jun 2025
13F
CITIGROUP INC
13F
Company
0.22%
170,733
$1,306,107 30 Jun 2025
13F
Point72 Asset Management, L.P.
13F
Company
0.21%
167,887
$1,284,336 30 Jun 2025
13F
UBS Group AG
13F
Company
0.21%
167,656
$1,282,568 30 Jun 2025
13F
Allostery Investments LP
13F
Company
0.21%
167,350
$1,280,228 30 Jun 2025
13F
Soleus Capital Management, L.P.
13F
Company
0.16%
125,000
$956,250 30 Jun 2025
13F
BARCLAYS PLC
13F
Company
0.14%
113,391
$867,441 30 Jun 2025
13F
Affinity Asset Advisors, LLC
13F
Company
0.13%
100,000
$765,000 30 Jun 2025
13F
Paloma Partners Management Co
13F
Company
0.12%
95,130
$727,745 30 Jun 2025
13F
STEMPOINT CAPITAL LP
13F
Company
0.11%
87,748
$671,272 30 Jun 2025
13F
J. Goldman & Co LP
13F
Company
0.09%
67,500
$516,375 30 Jun 2025
13F
HighVista Strategies LLC
13F
Company
0.07%
51,156
$391,343 30 Jun 2025
13F
NewEdge Advisors, LLC
13F
Company
0.04%
30,000
$229,500 30 Jun 2025
13F
Quadrature Capital Ltd
13F
Company
0.02%
19,367
$148,158 30 Jun 2025
13F
XTX Topco Ltd
13F
Company
0.02%
18,194
$139,184 30 Jun 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.02%
16,818
$128,657 30 Jun 2025
13F
GUGGENHEIM CAPITAL LLC
13F
Company
0.02%
16,097
$123,142 30 Jun 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0.01%
10,670
$81,626 30 Jun 2025
13F
Hurley Capital, LLC
13F
Company
0%
3,015
$23,065 30 Jun 2025
13F
RHUMBLINE ADVISERS
13F
Company
0%
981
$7,502 30 Jun 2025
13F
GAMMA Investing LLC
13F
Company
0%
645
$4,934 30 Jun 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
536
$4,100 30 Jun 2025
13F
Financial Management Professionals, Inc.
13F
Company
0%
100
$765 30 Jun 2025
13F
PRINCIPAL SECURITIES, INC.
13F
Company
0%
36
$275 30 Jun 2025
13F
EverSource Wealth Advisors, LLC
13F
Company
0%
8
$61 30 Jun 2025
13F

Institutional Holders of Abivax S.A. - Ordinary Shares, nominal value Euro 0.01 per share (ABVX) as of Q3 2025

As of 30 Sep 2025, Abivax S.A. - Ordinary Shares, nominal value Euro 0.01 per share (ABVX) was held by 165 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 51,964,814 shares. The largest 10 holders included TCG Crossover Management, LLC, UBS Group AG, Darwin Global Management, Ltd., Point72 Asset Management, L.P., Cormorant Asset Management, LP, Paradigm Biocapital Advisors LP, MORGAN STANLEY, Caligan Partners LP, FMR LLC, and ADAR1 Capital Management, LLC. This page lists 165 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
43
Q3 2025 holders
165
Holder diff
122
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.