We are live on ! Find out more
ABVX

Abivax
ABVX

43 hedge funds and large institutions have $235M invested in Abivax in 2025 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 16 increasing their positions, 11 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

45% more repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 11

25% more funds holding in top 10

Funds holding in top 10: 4 → 5 (+1)

18% more capital invested

Capital invested by funds: $199M → $235M (+$36.1M)

1.76% less ownership

Funds ownership: 50.08% → 48.33% (-1.8%)

7% less funds holding

Funds holding: 46 → 43 (-3)

33% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 9

Holders
43
Holders Change
-3
Holders Change %
-6.52%
% of All Funds
0.57%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
6
Increased
16
Reduced
11
Closed
9
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
ACM
ADAR1 Capital Management
Texas
+$5.61M
2
CP
Caligan Partners
New York
+$2.64M
3
BFM
Boothbay Fund Management
New York
+$1.95M
4
Millennium Management
Millennium Management
New York
+$1.72M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$903K

Top Sellers

Rank Fund Capital Flow
1
AI
Allostery Investments
Connecticut
-$6.08M
2
JP Morgan Chase
JP Morgan Chase
New York
-$5.67M
3
SB
Samsara BioCapital
California
-$2.66M
4
GPP
Great Point Partners
Connecticut
-$2.26M
5
Walleye Capital
Walleye Capital
New York
-$1.38M
Name Holding Trade Value Shares
Change 		Change in
Stake
TCM
1
TCG Crossover Management
California
$46.3M – – –
DTC
2
Deep Track Capital
Connecticut
$26.6M -$646K -99,065 -3%
ACM
3
ADAR1 Capital Management
Texas
$23.5M +$5.61M +861,321 +39%
CAM
4
Cormorant Asset Management
Massachusetts
$16.3M – – –
CP
5
Caligan Partners
New York
$12.8M +$2.64M +405,281 +32%
NCM
6
Nantahala Capital Management
Connecticut
$11.3M – – –
Franklin Resources
7
Franklin Resources
California
$10.5M – – –
VA
8
VR Adviser
New York
$10.3M – – –
GPP
9
Great Point Partners
Connecticut
$9.88M -$2.26M -346,494 -21%
OCA
10
Octagon Capital Advisors
New York
$9.69M +$241K +37,000 +3%
Citadel Advisors
11
Citadel Advisors
Florida
$9.58M -$793K -121,603 -9%
Millennium Management
12
Millennium Management
New York
$9.58M +$1.72M +264,351 +27%
BFM
13
Boothbay Fund Management
New York
$6.66M +$1.95M +299,770 +53%
Aberdeen Group
14
Aberdeen Group
United Kingdom
$5.44M – – –
SVCM
15
Saturn V Capital Management
Texas
$4.76M +$453K +69,553 +13%
Morgan Stanley
16
Morgan Stanley
New York
$3.64M -$143K -21,873 -4%
Ensign Peak Advisors
17
Ensign Peak Advisors
Utah
$3.49M – – –
KCM
18
Kennedy Capital Management
Missouri
$1.85M +$104K +15,997 +7%
WP
19
Woodline Partners
California
$1.41M -$118K -18,124 -9%
Citigroup
20
Citigroup
New York
$1.31M -$88K -13,506 -7%
Point72 Asset Management
21
Point72 Asset Management
Connecticut
$1.28M +$903K +138,469 +471%
UBS Group
22
UBS Group
Switzerland
$1.28M +$33.3K +5,102 +3%
AI
23
Allostery Investments
Connecticut
$1.28M -$6.08M -932,304 -85%
SCM
24
Soleus Capital Management
Connecticut
$956K – – –
Barclays
25
Barclays
United Kingdom
$867K +$729K +111,913 +7,572%
1
2 3

ABVX Hedge Fund Activity: Q2 2025 in Review

43 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Abivax (ABVX) for Q2 2025, worth a combined $235M — up 18% from $199M a quarter earlier.

Sellers outnumbered buyers: 9 funds closed out of ABVX and 6 opened new positions — a net loss of 3 holders — while 11 trimmed existing stakes and 16 added.

The largest buyer was ADAR1 Capital Management, adding an estimated $5.61M. The largest seller was Allostery Investments, cutting an estimated $6.08M.

  • 43 institutional investors held Abivax (ABVX) as of Q2 2025, down from 46 in Q1 2025.
  • Funds reported $235M of Abivax stock for Q2 2025, up 18% quarter-over-quarter.
  • 6 funds opened new Abivax positions in Q2 2025 and 9 closed out, a net change of -3 holders.
  • The largest Abivax buyer in Q2 2025 was ADAR1 Capital Management, an estimated $5.61M added.
  • The largest Abivax seller in Q2 2025 was Allostery Investments, an estimated $6.08M sold.

Based on aggregated 13F filings for Q2 2025.