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ABVX

Abivax
ABVX

247 hedge funds and large institutions have $7.61B invested in Abivax in 2025 Q4 according to their latest regulatory filings, with 107 funds opening new positions, 76 increasing their positions, 50 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

346% more first-time investments, than exits

New positions opened: 107 | Existing positions closed: 24

73% more capital invested

Capital invested by funds: $4.41B → $7.61B (+$3.2B)

62% more funds holding in top 10

Funds holding in top 10: 21 → 34 (+13)

52% more repeat investments, than reductions

Existing positions increased: 76 | Existing positions reduced: 50

50% more funds holding

Funds holding: 165 → 247 (+82)

50% more call options, than puts

Call options by funds: $341M | Put options by funds: $228M

3.49% more ownership

Funds ownership: 68.76% → 72.25% (+3.5%)

Holders
247
Holders Change
+82
Holders Change %
+49.7%
% of All Funds
3%
Holding in Top 10
34
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+61.9%
% of All Funds
0.41%
New
107
Increased
76
Reduced
50
Closed
24
Calls
$341M
Puts
$228M
Net Calls
+$113M
Net Calls Change
+$111M

Top Buyers

1
Morgan Stanley
Morgan Stanley
New York
+$183M
2
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$110M
3
VPC
Vestal Point Capital
New York
+$98.2M
4
Deutsche Bank
Deutsche Bank
Germany
+$83.5M
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$78.6M

Top Sellers

1
CAM
Cormorant Asset Management
Massachusetts
-$65.5M
2
OCA
Octagon Capital Advisors
New York
-$62.1M
3
FFM
Fairmount Funds Management
Pennsylvania
-$60.6M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
-$56.3M
5
VA
VR Adviser
New York
-$49M
Name Holding Trade Value Shares
Change 		Change in
Stake
SAM
126
Simplify Asset Management
Nevada
$2.29M -$4.85M -44,496 -72%
GCM
127
Greenland Capital Management
New York
$2.26M -$904K -8,289 -33%
DWA
128
Dorsey Wright & Associates
California
$2.24M +$1.81M +16,620 New
IMC Chicago
129
IMC Chicago
Illinois
$2.23M +$1.8M +16,519 New
BPC
130
Banque Pictet & Cie
Switzerland
$2.07M +$1.67M +15,348 New
BMS
131
Brummer Multi-Strategy
Sweden
$1.94M +$1.57M +14,375 New
SFCM
132
Seven Fleet Capital Management
California
$1.82M +$1.47M +13,499 New
P3I
133
Progeny 3 Inc
Washington
$1.65M – – –
CUAMC
134
China Universal Asset Management Company
China
$1.57M +$1.27M +11,619 New
AI
135
AdvisorShares Investments
Maryland
$1.51M +$1.22M +11,200 New
GGHC
136
Gilder Gagnon Howe & Co
New York
$1.49M +$132K +1,206 +12%
LCM
137
Legato Capital Management
California
$1.44M +$883K +8,094 +317%
Stifel Financial
138
Stifel Financial
Missouri
$1.38M +$1.12M +10,234 New
CCM
139
Cinctive Capital Management
New York
$1.31M +$1.06M +9,689 New
SSA
140
Schonfeld Strategic Advisors
New York
$1.26M +$231K +2,119 +29%
TCWM
141
Total Clarity Wealth Management
Illinois
$1.25M +$1.01M +9,245 New
LIP
142
Lighthouse Investment Partners
Florida
$1.24M +$1M +9,200 New
Mariner
143
Mariner
Kansas
$1.21M +$119K +1,087 +14%
HCA
144
Harbor Capital Advisors
Illinois
$1.19M +$966K +8,849 New
New York State Common Retirement Fund
145
New York State Common Retirement Fund
New York
$1.17M +$628K +5,753 +197%
HCS
146
Himension Capital (Singapore)
Singapore
$1.05M -$460K -4,212 -35%
DAM
147
DLD Asset Management
New York
$1.01M +$818K +7,500 New
CP
148
CenterBook Partners
Connecticut
$968K +$783K +7,176 New
SM
149
Sabby Management
Florida
$947K +$767K +7,026 New
Cetera Investment Advisers
150
Cetera Investment Advisers
Illinois
$905K +$732K +6,708 New
4 5
6
7 8

ABVX Hedge Fund Activity: Q4 2025 in Review

247 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Abivax (ABVX) for Q4 2025, worth a combined $7.61B — up 73% from $4.41B a quarter earlier.

Buyers outnumbered sellers: 107 funds opened new ABVX positions and 24 closed out — a net gain of 83 holders — while 76 added to existing stakes and 50 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $183M. The largest seller was Cormorant Asset Management, cutting an estimated $65.5M.

  • 247 institutional investors held Abivax (ABVX) as of Q4 2025, up from 165 in Q3 2025.
  • Funds reported $7.61B of Abivax stock for Q4 2025, up 73% quarter-over-quarter.
  • 107 funds opened new Abivax positions in Q4 2025 and 24 closed out, a net change of +83 holders.
  • The largest Abivax buyer in Q4 2025 was Morgan Stanley, an estimated $183M added.
  • The largest Abivax seller in Q4 2025 was Cormorant Asset Management, an estimated $65.5M sold.

Based on aggregated 13F filings for Q4 2025.