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Biogen
BIIB

Overview Fund Activity

956 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
956
Holders Change
-43
Holders Change %
-4.3%
% of All Funds
15.24%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
91
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
VanEck Associates
New York
$306M
5
Macquarie Group
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$350M
2
LAM
L2 Asset Management
Massachusetts
$2.29M
3
FCM
Farallon Capital Management
California
$0
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
FRM
1001
Fox Run Management
Connecticut
– -$678K -2,380 Closed
CPC
1002
Cookson Peirce & Co
Pennsylvania
– -$659K -2,312 Closed
EWM
1003
Empirical Wealth Management
Washington
– -$657K -2,306 Closed
AIM
1004
Aigen Investment Management
New York
– -$638K -2,240 Closed
WP
1005
Woodline Partners
California
– -$630K -2,213 Closed
SCM
1006
Stevens Capital Management
Pennsylvania
– -$626K -2,198 Closed
PF
1007
Phoenix Financial
Israel
– -$618K -2,194 Closed
JF
1008
Jump Financial
Illinois
– -$608K -2,135 Closed
ESCM
1009
Echo Street Capital Management
New York
– -$538K -1,887 Closed
SIA
1010
SkyView Investment Advisors
New Jersey
– -$530K -1,859 Closed
A
1011
AustralianSuper
Australia
– -$518K -1,819 Closed
IIM
1012
Intact Investment Management
Quebec, Canada
– -$484K -1,700 Closed
Pzena Investment Management
1013
Pzena Investment Management
New York
– -$461K -1,618 Closed
SC
1014
SRB Corp
Massachusetts
– -$404K -1,418 Closed
OBWG
1015
Onyx Bridge Wealth Group
New York
– -$387K -1,360 Closed
LCS
1016
Levin Capital Strategies
New York
– -$375K -1,318 Closed
QT
1017
Quantamental Technologies
New York
– -$375K -1,316 Closed
TSS
1018
Two Sigma Securities
New York
– -$374K -1,314 Closed
AA
1019
ALPS Advisors
Colorado
– -$353K -1,240 Closed
CG
1020
Cutler Group
California
– -$315K -1,106 Closed
KWM
1021
Kingsview Wealth Management
Oregon
– -$314K -1,101 Closed
DTL
1022
Dynamic Technology Lab
Singapore
– -$304K -1,066 Closed
Los Angeles Capital Management
1023
Los Angeles Capital Management
California
– -$289K -1,014 Closed
TFCP
1024
Twin Focus Capital Partners
Massachusetts
– -$285K -999 Closed
MC
1025
Maverick Capital
Texas
– -$280K -983 Closed
39 40
41
42 43