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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
NMC
151
Nine Masts Capital
Hong Kong
$835K +$414K +3,500 +88%
GF
152
Gabelli Funds
New York
$830K +$296K +2,500 +51%
TCWM
153
Total Clarity Wealth Management
Illinois
$825K -$217K -1,835 -20%
Cetera Investment Advisers
154
Cetera Investment Advisers
Illinois
$808K +$65.3K +552 +8%
FIA
155
FNY Investment Advisers
New York
$785K +$529K +4,466 +172%
CGIM
156
Cannon Global Investment Management
Florida
$668K +$452K +3,818 +175%
AI
157
Atria Investments
North Carolina
$667K +$22.5K +190 +3%
SOAM
158
SBI Okasan Asset Management
Japan
$660K +$769K +6,500 New
Truist Financial
159
Truist Financial
North Carolina
$653K -$53.7K -454 -7%
MYIA
160
Mount Yale Investment Advisors
Colorado
$638K +$678K +5,730 New
TC
161
T3 Companies
New York
$635K +$675K +5,700 New
BAMCO Inc
162
BAMCO Inc
New York
$612K -$2.31M -19,500 -78%
BMCM
163
Burns Matteson Capital Management
New York
$584K +$304K +2,568 +96%
Mirae Asset Global ETFs Holdings
164
Mirae Asset Global ETFs Holdings
Hong Kong
$558K +$593K +5,013 New
State Street
165
State Street
Massachusetts
$558K +$80.8K +683 +16%
GCM
166
Greenland Capital Management
New York
$557K -$1.39M -11,750 -70%
WB
167
WesBanco Bank
West Virginia
$557K – – –
CFM
168
Catalyst Funds Management
Australia
$557K +$592K +5,000 New
Optiver Holding
169
Optiver Holding
Netherlands
$505K +$488K +4,120 +986%
OAM
170
Oppenheimer Asset Management
New York
$501K +$13.6K +115 +3%
HCM
171
Harvey Capital Management
Florida
$479K +$118K +1,000 +30%
MFS
172
Mirabella Financial Services
United Kingdom
$474K +$504K +4,256 New
CGH
173
Crossmark Global Holdings
Texas
$454K -$260K -2,195 -35%
CRI
174
Colonial River Investments
Virginia
$450K -$39.3K -332 -8%
RC
175
Rangeley Capital
Connecticut
$445K – – –
5 6
7
8 9

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.