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Annexon
ANNX

99 hedge funds and large institutions have $208M invested in Annexon in 2023 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 30 increasing their positions, 15 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

256% more call options, than puts

Call options by funds: $1.23M | Put options by funds: $346K

100% more repeat investments, than reductions

Existing positions increased: 30 | Existing positions reduced: 15

88% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 17

18% more funds holding

Funds holding: 84 → 99 (+15)

11.5% more ownership

Funds ownership: 101.49% → 112.99% (+11%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

15% less capital invested

Capital invested by funds: $243M → $208M (-$35.4M)

Holders
99
Holders Change
+15
Holders Change %
+17.86%
% of All Funds
1.58%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
32
Increased
30
Reduced
15
Closed
17
Calls
$1.23M
Puts
$346K
Net Calls
+$886K
Net Calls Change
-$388K

Top Buyers

1
AIM
Alerce Investment Management
Illinois
+$14.6M
2
GC
GMT Capital
Georgia
+$7.75M
3
CAM
Cormorant Asset Management
Massachusetts
+$6.88M
4
OCA
Octagon Capital Advisors
New York
+$6.55M
5
AG
Artal Group
Luxembourg
+$5.6M

Top Sellers

1
BI
BVF Inc
California
-$19.5M
2
FFM
Fairmount Funds Management
Pennsylvania
-$17.4M
3
EAM
Eventide Asset Management
Massachusetts
-$9.68M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
-$1.59M
5
PVI
Pura Vida Investments
New York
-$1.57M
Name Holding Trade Value Shares
Change 		Change in
Stake
AIM
1
Alerce Investment Management
Illinois
$27.2M +$14.6M +2,647,058 +60%
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$18.8M – – –
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$13.7M – – –
RG
4
Redmile Group
California
$13.5M – – –
VA
5
VR Adviser
New York
$12.4M – – –
Federated Hermes
6
Federated Hermes
Pennsylvania
$11.8M – – –
Citadel Advisors
7
Citadel Advisors
Florida
$9.29M +$3.01M +546,334 +29%
EAM
8
Eventide Asset Management
Massachusetts
$7.19M -$9.68M -1,759,258 -49%
Vanguard Group
9
Vanguard Group
Pennsylvania
$6.04M +$116K +21,100 +1%
GC
10
GMT Capital
Georgia
$5.42M +$7.75M +1,408,697 New
Millennium Management
11
Millennium Management
New York
$5.25M +$4.61M +837,812 +159%
CAM
12
Cormorant Asset Management
Massachusetts
$4.81M +$6.88M +1,250,000 New
PAMS
13
Pictet Asset Management (Switzerland)
Switzerland
$4.75M – – –
OCA
14
Octagon Capital Advisors
New York
$4.58M +$6.55M +1,190,000 New
BlackRock
15
BlackRock
New York
$4.47M +$4.62K +840 +0.1%
DCM
16
Driehaus Capital Management
Illinois
$4.06M -$1.1M -200,586 -16%
AG
17
Artal Group
Luxembourg
$3.92M +$5.6M +1,018,303 New
PCH
18
Polar Capital Holdings
United Kingdom
$3.85M +$5.5M +1,000,000 New
SCM
19
Soleus Capital Management
Connecticut
$3.52M +$5.04M +915,400 New
Blackstone Inc
20
Blackstone Inc
New York
$3.5M – – –
Acadian Asset Management
21
Acadian Asset Management
Massachusetts
$3.1M +$2.25M +408,467 +103%
Massachusetts Financial Services
22
Massachusetts Financial Services
Massachusetts
$3.02M -$3.66K -665 -0.1%
SAM
23
Simplify Asset Management
Nevada
$2.52M +$3.59M +653,483 New
DM
24
Deerfield Management
New York
$2.25M – – –
WP
25
Woodline Partners
California
$2.11M +$2.05M +372,824 +212%
1
2 3 4 5

ANNX Hedge Fund Activity: Q1 2023 in Review

99 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Annexon (ANNX) for Q1 2023, worth a combined $208M — down 15% from $243M a quarter earlier.

Buyers outnumbered sellers: 32 funds opened new ANNX positions and 17 closed out — a net gain of 15 holders — while 30 added to existing stakes and 15 trimmed.

The largest buyer was Alerce Investment Management, adding an estimated $14.6M. The largest seller was BVF Inc, exiting entirely with an estimated $19.5M sold.

  • 99 institutional investors held Annexon (ANNX) as of Q1 2023, up from 84 in Q4 2022.
  • Funds reported $208M of Annexon stock for Q1 2023, down 15% quarter-over-quarter.
  • 32 funds opened new Annexon positions in Q1 2023 and 17 closed out, a net change of +15 holders.
  • The largest Annexon buyer in Q1 2023 was Alerce Investment Management, an estimated $14.6M added.
  • The largest Annexon seller in Q1 2023 was BVF Inc, an estimated $19.5M sold.

Based on aggregated 13F filings for Q1 2023.