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ABVX

Abivax
ABVX

254 hedge funds and large institutions have $5.53B invested in Abivax in 2026 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 111 increasing their positions, 75 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

63% more call options, than puts

Call options by funds: $233M | Put options by funds: $142M

48% more repeat investments, than reductions

Existing positions increased: 111 | Existing positions reduced: 75

23% more first-time investments, than exits

New positions opened: 53 | Existing positions closed: 43

3% more funds holding

Funds holding: 247 → 254 (+7)

9.05% less ownership

Funds ownership: 72.25% → 63.2% (-9%)

18% less funds holding in top 10

Funds holding in top 10: 34 → 28 (-6)

27% less capital invested

Capital invested by funds: $7.61B → $5.53B (-$2.08B)

Holders
254
Holders Change
+7
Holders Change %
+2.83%
% of All Funds
3.13%
Holding in Top 10
28
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-17.65%
% of All Funds
0.34%
New
53
Increased
111
Reduced
75
Closed
43
Calls
$233M
Puts
$142M
Net Calls
+$90.2M
Net Calls Change
-$23M

Top Buyers

1
HI
Helikon Investments
United Kingdom
+$120M
2
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$37M
3
DGM
Darwin Global Management
Jersey
+$34.3M
4
EP
Eversept Partners
New York
+$32.7M
5
LGM
Logos Global Management
California
+$32.5M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$210M
2
Morgan Stanley
Morgan Stanley
New York
-$171M
3
Deutsche Bank
Deutsche Bank
Germany
-$103M
4
PBA
Paradigm Biocapital Advisors
New York
-$76.3M
5
TCM
TCG Crossover Management
California
-$74.6M
Name Holding Trade Value Shares
Change 		Change in
Stake
Ameriprise
76
Ameriprise
Minnesota
$9.25M +$1.82M +15,366 +23%
OBAM
77
ODDO BHF Asset Management
France
$9.07M +$254K +2,146 +3%
AP
78
Andera Partners
$8.7M – – –
DCP
79
Davern Capital Partners
New York
$8.7M +$3.51M +29,623 +61%
VCIM
80
Velan Capital Investment Management
Georgia
$8.57M +$1.18M +10,000 +15%
LP
81
LMR Partners
United Kingdom
$8.52M -$2.13M -18,000 -19%
LPL Financial
82
LPL Financial
California
$8.39M +$1.48M +12,524 +20%
DP
83
Diadema Partners
New Jersey
$8.22M +$35.5K +300 +0.4%
VCM
84
Voleon Capital Management
California
$8.21M -$3.75M -31,660 -30%
ACM
85
ACT Capital Management
Pennsylvania
$7.89M +$828K +7,000 +11%
TD Asset Management
86
TD Asset Management
Ontario, Canada
$7.3M +$195K +1,646 +3%
Russell Investments Group
87
Russell Investments Group
United Kingdom
$7.27M +$94.7K +800 +1%
Envestnet Asset Management
88
Envestnet Asset Management
Illinois
$6.59M +$1.6M +13,541 +30%
CC
89
Centiva Capital
New York
$6.36M +$6.76M +57,150 New
SB
90
Samsara BioCapital
California
$6.3M -$2.23M -18,861 -25%
IC
91
Ikarian Capital
Texas
$6.23M -$17.6M -148,350 -72%
KPF
92
K2 Principal Fund
Ontario, Canada
$5.98M +$3.7M +31,241 +139%
Geode Capital Management
93
Geode Capital Management
Massachusetts
$5.71M +$163K +1,379 +3%
D.E. Shaw & Co
94
D.E. Shaw & Co
New York
$5.63M +$3.9M +32,950 +187%
SGM
95
Seven Grand Managers
New York
$5.57M +$5.92M +50,000 New
BNP Paribas Asset Management
96
BNP Paribas Asset Management
France
$5.51M +$2.92M +24,710 +100%
TI
97
Trexquant Investment
Connecticut
$5.43M +$589K +4,981 +11%
CCM
98
Catalio Capital Management
New York
$5.25M -$6.07M -51,321 -52%
EAM
99
Erste Asset Management
Austria
$5.08M – – –
HF
100
HRT Financial
New York
$5.05M +$5.37M +45,371 New
2 3
4
5 6

ABVX Hedge Fund Activity: Q1 2026 in Review

254 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Abivax (ABVX) for Q1 2026, worth a combined $5.53B — down 27% from $7.61B a quarter earlier.

Buyers outnumbered sellers: 53 funds opened new ABVX positions and 43 closed out — a net gain of 10 holders — while 111 added to existing stakes and 75 trimmed.

The largest buyer was Helikon Investments, opening a new position worth an estimated $120M. The largest seller was Point72 Asset Management, cutting an estimated $210M.

  • 254 institutional investors held Abivax (ABVX) as of Q1 2026, up from 247 in Q4 2025.
  • Funds reported $5.53B of Abivax stock for Q1 2026, down 27% quarter-over-quarter.
  • 53 funds opened new Abivax positions in Q1 2026 and 43 closed out, a net change of +10 holders.
  • The largest Abivax buyer in Q1 2026 was Helikon Investments, an estimated $120M added.
  • The largest Abivax seller in Q1 2026 was Point72 Asset Management, an estimated $210M sold.

Based on aggregated 13F filings for Q1 2026.