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Biogen
BIIB

Overview Fund Activity

992 hedge funds and large institutions have $34.8B invested in Biogen in 2023 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 340 increasing their positions, 361 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
992
Holders Change
-32
Holders Change %
-3.13%
% of All Funds
15.88%
Holding in Top 10
19
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-20.83%
% of All Funds
0.3%
New
87
Increased
340
Reduced
361
Closed
101
Calls
$744M
Puts
$674M
Net Calls
+$70.1M
Net Calls Change
+$286M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.14B
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$581M
3
Fidelity Investments
Fidelity Investments
Massachusetts
$487M
4
PAMS
Pictet Asset Management (Switzerland)
Switzerland
$308M
5
CG
Carmignac Gestion
France
$86.2M

Top Sellers

1
Marshall Wace
Marshall Wace
United Kingdom
$148M
2
Man Group
Man Group
United Kingdom
$67.1M
3
Point72 Asset Management
Point72 Asset Management
Connecticut
$193M
4
Two Sigma Advisers
Two Sigma Advisers
New York
$83.7M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
$371M
Name Holding Trade Value Shares
Change 		Shares
Change %
WorldQuant Millennium Advisors
1001
WorldQuant Millennium Advisors
New York
– -$14.4M -52,152 Closed
SCM
1002
Segantii Capital Management
Hong Kong
– -$11.1M -40,000 Closed
ACM
1003
Aquatic Capital Management
Illinois
– -$9.61M -34,700 Closed
HT
1004
HAP Trading
New York
– -$7.63M -27,549 Closed
Alyeska Investment Group
1005
Alyeska Investment Group
Illinois
– -$6.94M -25,064 Closed
TA
1006
Tamarack Advisers
California
– -$5.54M -20,000 Closed
Nomura Holdings
1007
Nomura Holdings
Japan
– -$5.05M -18,505 Closed
TI
1008
Trexquant Investment
Connecticut
– -$5.09M -18,397 Closed
Capital Fund Management (CFM)
1009
Capital Fund Management (CFM)
France
– -$4.83M -17,431 Closed
CM
1010
Caption Management
Oklahoma
– -$3.32M -12,000 Closed
QIM
1011
Quantitative Investment Management
Virginia
– -$2.94M -10,611 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
1012
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$2.33M -8,411 Closed
ACM
1013
Arlington Capital Management
Illinois
– -$2.25M -8,116 Closed
TCM
1014
Teza Capital Management
Illinois
– -$2.24M -8,074 Closed
CF
1015
Copperwynd Financial
Arizona
– -$1.77M -6,389 Closed
CC
1016
Centiva Capital
New York
– -$1.67M -6,038 Closed
SAM
1017
Simplify Asset Management
Nevada
– -$1.62M -5,836 Closed
AC
1018
Allstate Corporation
Illinois
– -$1.6M -5,784 Closed
RIM
1019
Redwood Investment Management
Arizona
– -$1.51M -5,467 Closed
GCP
1020
GSA Capital Partners
United Kingdom
– -$1.47M -5,316 Closed
CC
1021
Carlson Capital
Texas
– -$1.38M -5,000 Closed
Tudor Investment Corp
1022
Tudor Investment Corp
Connecticut
– -$1.38M -4,995 Closed
CIC
1023
Cornercap Investment Counsel
Georgia
– -$1.38M -4,991 Closed
DTL
1024
Dynamic Technology Lab
Singapore
– -$1.31M -4,737 Closed
TA
1025
Tactive Advisors
Florida
– -$1.22M -4,389 Closed
39 40
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