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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
MAP
176
Moody Aldrich Partners
Massachusetts
$415K +$69.9K +641 +26%
BNP Paribas Financial Markets
177
BNP Paribas Financial Markets
France
$407K +$133K +1,217 +68%
Mirae Asset Global Investments
178
Mirae Asset Global Investments
South Korea
$387K +$313K +2,869 New
AWM
179
Avior Wealth Management
Nebraska
$377K +$305K +2,796 New
DWM
180
Diversify Wealth Management
Utah
$372K +$339K +3,110 New
PCS
181
Personal CFO Solutions
New Jersey
$369K +$299K +2,739 New
BMCM
182
Burns Matteson Capital Management
New York
$362K +$293K +2,681 New
ProShare Advisors
183
ProShare Advisors
Maryland
$352K +$284K +2,607 New
FIA
184
FNY Investment Advisers
New York
$349K -$72K -660 -20%
FRM
185
Fox Run Management
Connecticut
$339K +$274K +2,513 New
BBA
186
Baader Bank Aktiengesellschaft
Germany
$337K +$273K +2,500 New
SP
187
SmartHarvest Portfolios
Washington
$326K +$264K +2,416 New
HFS
188
Hantz Financial Services
Michigan
$321K +$193K +1,768 +289%
BBP
189
Banco BTG Pactual
Brazil
$302K +$245K +2,243 New
P
190
&Partners
Tennessee
$299K +$242K +2,214 New
SA
191
Sanctuary Advisors
Indiana
$298K +$241K +2,211 New
CGIM
192
Cannon Global Investment Management
Florida
$294K +$238K +2,182 New
MFG
193
Merit Financial Group
Georgia
$277K +$224K +2,056 New
Qube Research & Technologies (QRT)
194
Qube Research & Technologies (QRT)
United Kingdom
$275K +$222K +2,037 New
BHPW
195
Beverly Hills Private Wealth
California
$235K +$190K +1,743 New
RhumbLine Advisers
196
RhumbLine Advisers
Massachusetts
$232K +$76K +697 +68%
Citigroup
197
Citigroup
New York
$226K +$177K +1,623 +3,182%
CCA
198
Corps Capital Advisors
Texas
$221K +$179K +1,638 New
GCIA
199
Gabelli & Co Investment Advisers
New York
$219K +$177K +1,625 New
HM
200
Harvest Management
New York
$202K +$164K +1,500 New
6 7
8
9 10

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.