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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
FLC
126
Fifth Lane Capital
Texas
$1.77M +$1.47M +12,408 +360%
HSBC Holdings
127
HSBC Holdings
United Kingdom
$1.71M +$1.41M +11,887 +336%
Royal Bank of Canada
128
Royal Bank of Canada
Ontario, Canada
$1.68M -$1.86M -15,744 -51%
BPC
129
Banque Pictet & Cie
Switzerland
$1.67M -$36.5K -308 -2%
SSA
130
Schonfeld Strategic Advisors
New York
$1.59M +$584K +4,934 +53%
EFM
131
E Fund Management
China
$1.53M +$1.63M +13,732 New
FC
132
FORA Capital
Florida
$1.47M +$630K +5,327 +68%
CUAMC
133
China Universal Asset Management Company
China
$1.44M +$152K +1,284 +11%
JGC
134
J. Goldman & Co
New York
$1.42M +$1.12M +9,457 +287%
P3I
135
Progeny 3 Inc
Washington
$1.36M – – –
AI
136
AdvisorShares Investments
Maryland
$1.31M +$71.2K +602 +5%
Mariner
137
Mariner
Kansas
$1.22M +$240K +2,025 +23%
Stifel Financial
138
Stifel Financial
Missouri
$1.2M +$64.3K +543 +5%
LCM
139
Legato Capital Management
California
$1.17M -$13.6K -115 -1%
JFG
140
Jefferies Financial Group
New York
$1.13M -$52.9M -447,172 -98%
APM
141
Avidity Partners Management
Texas
$1.11M +$1.18M +10,000 New
DC
142
Diametric Capital
Massachusetts
$1.11M +$1.18M +10,000 New
Walleye Trading
143
Walleye Trading
New York
$1.09M -$961K -8,117 -45%
HCS
144
Himension Capital (Singapore)
Singapore
$1.08M +$226K +1,909 +25%
VF
145
Virtu Financial
New York
$1.06M +$1.13M +9,551 New
BHCM
146
Brevan Howard Capital Management
Jersey
$1.06M -$3.29M -27,770 -75%
KCM
147
Kennedy Capital Management
Missouri
$975K +$1.04M +8,757 New
New York State Common Retirement Fund
148
New York State Common Retirement Fund
New York
$966K – – –
Walleye Capital
149
Walleye Capital
New York
$957K -$1.72M -14,515 -63%
CP
150
CenterBook Partners
Connecticut
$939K +$149K +1,260 +18%
4 5
6
7 8

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.