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Abivax

ABVXNASDAQ

Abivax is a publicly traded company on NASDAQ. As of Q3 2025, 145 institutional investors hold shares in this company, with total holdings valued at $4.0B. TCG Crossover Management, LLC is the largest holder with a position valued at $603.8M.

Employees61.0
Websiteabivax.com

Overview

Overview of institutional ownership in ABVX as of Q3 2025

All Institutions

Institutions
145
Value Held
$4.0B
Shares Held
46.6M
Avg Position
$27.3M
Median Position
$3.6M

Hedge Funds

Hedge Funds
43
Value Held
$1.6B
Shares Held
18.9M
Avg Position
$37.4M
Median Position
$14.9M

Biggest Investors

Institutions with the largest positions in ABVX as of Q3 2025

InstitutionPosition Value
$603.8M
30.14% of portfolio
UBS Group AG logo
UBS Group AG
Institution
$378.8M
0.07% of portfolio
$263.7M
7.33% of portfolio
Point72 Asset Management, L.P. logo
Point72 Asset Management, L.P.
Hedge FundMulti-Strategy
$248.4M
0.57% of portfolio
Paradigm Biocapital Advisors LP logo
Paradigm Biocapital Advisors LP
Hedge FundLong/Short
$132.8M
3.93% of portfolio
MORGAN STANLEY logo
MORGAN STANLEY
RIA/Wealth
$124.9M
0.01% of portfolio
C
Caligan Partners LP
Hedge FundActivist
$123.3M
17.10% of portfolio
FMR LLC logo
FMR LLC
Institution
$121.5M
0.01% of portfolio
A
ADAR1 Capital Management, LLC
Hedge FundLong/Short
$114.7M
11.54% of portfolio
Octagon Capital Advisors LP logo
Octagon Capital Advisors LP
Hedge FundSector
$112.5M
17.65% of portfolio

Net Capital Flow

Institutional buying and selling activity for ABVX in Q3 2025

Net Flow
+$397.8M
Buyers
20
Sellers
21
Total Bought
+$911.5M
Total Sold
$513.7M
Avg Position
$55.1M

Biggest Buyers

InstitutionNet Bought
UBS Group AG logo
UBS Group AG
Institution
+$364.5M
+4.3M shares
Point72 Asset Management, L.P. logo
Point72 Asset Management, L.P.
Hedge FundMulti-Strategy
+$234.1M
+2.8M shares
+$89.6M
+1.1M shares
MORGAN STANLEY logo
MORGAN STANLEY
RIA/Wealth
+$84.5M
+995.4K shares
SILVERARC CAPITAL MANAGEMENT, LLC logo
SILVERARC CAPITAL MANAGEMENT, LLC
Hedge FundLong/Short
+$45.8M
+539.7K shares
+$16.1M
+189.7K shares
+$15.2M
+178.7K shares
+$11.3M
+133.3K shares
Woodline Partners LP logo
Woodline Partners LP
Hedge FundLong/Short
+$10.8M
+127.2K shares
+$8.1M
+95.1K shares

Biggest Sellers

InstitutionNet Sold
A
ADAR1 Capital Management, LLC
Hedge FundLong/Short
$146.1M
1.7M shares
N
Nantahala Capital Management, LLC
Hedge FundMulti-Strategy
$78.6M
925.4K shares
$72.6M
855.0K shares
VR Adviser, LLC logo
VR Adviser, LLC
Venture Capital
$65.3M
769.1K shares
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$48.4M
570.5K shares
Deep Track Capital, LP logo
Deep Track Capital, LP
Hedge FundLong/Short
$26.6M
3.5M shares
$23.1M
272.5K shares
C
Caligan Partners LP
Hedge FundActivist
$18.9M
222.5K shares
CITIGROUP INC logo
CITIGROUP INC
Institution
$14.5M
170.7K shares
MILLENNIUM MANAGEMENT LLC logo
MILLENNIUM MANAGEMENT LLC
Hedge FundMulti-Strategy
$12.9M
151.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ABVX in Q3 2025

New Positions
102
New Value
$1.3B
Exited Positions
7
Exited Value
$30.6M

New Positions

InstitutionPosition Value
$263.7M
3.2M shares
Paradigm Biocapital Advisors LP logo
Paradigm Biocapital Advisors LP
Hedge FundLong/Short
$132.8M
1.6M shares
B
BAKER BROS. ADVISORS LP
Hedge FundSector
$74.4M
875.8K shares
FARALLON CAPITAL MANAGEMENT LLC logo
FARALLON CAPITAL MANAGEMENT LLC
Hedge FundMulti-Strategy
$68.3M
805.0K shares
$62.1M
731.5K shares
$60.6M
713.4K shares
B
BVF INC/IL
Institution
$47.4M
558.0K shares
Holocene Advisors, LP logo
Holocene Advisors, LP
Hedge FundLong/Short
$39.2M
461.3K shares
$38.8M
457.3K shares
Eversept Partners, LLC logo
Eversept Partners, LLC
Hedge FundLong/Short
$36.2M
426.5K shares

Exited Positions

InstitutionPrevious Position
Deep Track Capital, LP logo
Deep Track Capital, LP
Hedge FundLong/Short
$26.6M
3.5M shares
$1.8M
241.2K shares
Soleus Capital Management, L.P. logo
Soleus Capital Management, L.P.
Hedge FundLong/Short
$956.3K
125.0K shares
SUNRISE PARTNERS LIMITED PARTNERSHIP /CT logo
SUNRISE PARTNERS LIMITED PARTNERSHIP /CT
Hedge FundMulti-Strategy
$727.7K
95.1K shares
$229.5K
30.0K shares
$148.2K
19.4K shares
$23.1K
3.0K shares

Options Activity

Institutions with the largest Call and Put options positions in ABVX as of Q3 2025

Call Positions
3
Call Value
$5.4M
Put Positions
2
Put Value
$3.7M

Call Positions

InstitutionPosition Value
$3.8M
452.0 contracts
DLD Asset Management, LP logo
DLD Asset Management, LP
Hedge FundMulti-Strategy
$1.2M
144.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$339.6K
40.0 contracts

Put Positions

InstitutionPosition Value
$2.9M
342.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$840.5K
99.0 contracts

Most Committed Institutions

Institutions with ABVX as the highest % of their portfolio as of Q3 2025

InstitutionPortfolio Weight
30.14%
$603.8M
Octagon Capital Advisors LP logo
Octagon Capital Advisors LP
Hedge FundSector
17.65%
$112.5M
C
Caligan Partners LP
Hedge FundActivist
17.10%
$123.3M
14.92%
$68.0M
A
ADAR1 Capital Management, LLC
Hedge FundLong/Short
11.54%
$114.7M
7.33%
$263.7M
Ikarian Capital, LLC logo
Ikarian Capital, LLC
Hedge FundEvent Driven
6.76%
$33.4M
SILVERARC CAPITAL MANAGEMENT, LLC logo
SILVERARC CAPITAL MANAGEMENT, LLC
Hedge FundLong/Short
6.64%
$45.8M
5.45%
$60.6M
5.13%
$5.5M

Hedge Fund Spotlight

Discover hedge funds investing in ABVX

Melqart Asset Management  Ltd logo
Melqart Asset Management Ltd
Hedge FundMulti-Strategy
Portfolio ManagerMichel Nmn Massoud
Portfolio Value
$766.2M
Positions
45
Last Reported
Q3 2025
AddressLondon
Sector Allocation
Technology: 44.90%TechnologyConsumer Cyclical: 13.10%Consumer CyclicalHealthcare: 7.60%HealthcareUtilities: 6.80%Consumer Defensive: 4.30%Communication Services: 4.10%Industrials: 2.40%Energy: 0.10%
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Position in Abivax

Market Value
$5.4M
Shares Held
64.2K
Portfolio Weight
0.71%
Owned Since
2025-Q3
Top HoldingSectorMarket ValueWeight
1
ALLETE logo
Diversified Utilities
Utilities
$52.2M6.82%
Software - Infrastructure
Technology
$51.2M6.68%
Software - Infrastructure
Technology
$43.2M5.64%

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