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Biogen
BIIB

Overview Fund Activity

990 hedge funds and large institutions have $33.5B invested in Biogen in 2023 Q4 according to their latest regulatory filings, with 132 funds opening new positions, 283 increasing their positions, 372 reducing their positions, and 81 closing their positions.

Holders
990
Holders Change
+35
Holders Change %
+3.66%
% of All Funds
14.52%
Holding in Top 10
10
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-28.57%
% of All Funds
0.15%
New
132
Increased
283
Reduced
372
Closed
81
Calls
$643M
Puts
$499M
Net Calls
+$144M
Net Calls Change
+$86.4M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.73B
2
Morgan Stanley
2
Morgan Stanley
New York
$817M
3
Invesco
3
Invesco
Georgia
$470M
4
T. Rowe Price Investment Management
4
T. Rowe Price Investment Management
Maryland
$1.39B
5
Fidelity International
5
Fidelity International
Bermuda
$170M

Top Sellers

1
SC
1
Samlyn Capital
New York
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$259M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$196M
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$9.61M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$6.19M
Name Market Value Shares Shares
Change 		Shares
Change %
VIM
1026
Vinva Investment Management
Australia
– – -1,997 Closed
BHCM
1027
Brevan Howard Capital Management
Jersey
– – -1,928 Closed
BCA
1028
Bay Colony Advisors
Massachusetts
– – -1,620 Closed
EWM
1029
Elevatus Welath Management
New York
– – -1,555 Closed
WB
1030
WesBanco Bank
West Virginia
– – -1,488 Closed
MNBTD
1031
Moody National Bank Trust Division
Texas
– – -1,485 Closed
Simplex Trading
1032
Simplex Trading
Illinois
– – -1,447 Closed
Walleye Capital
1033
Walleye Capital
New York
– – -1,438 Closed
LC
1034
Lavaca Capital
Texas
– – -1,434 Closed
MYLI
1035
Meiji Yasuda Life Insurance
Japan
– – -1,401 Closed
SAM
1036
Sompo Asset Management
Japan
– – -1,100 Closed
FIA
1037
Foundations Investment Advisors
Arizona
– – -1,099 Closed
CBNLCF
1038
Cognios Beta Neutral Large Cap Fund
Kansas
– – -1,080 Closed
WorldQuant Millennium Advisors
1039
WorldQuant Millennium Advisors
New York
– – -1,066 Closed
KWA
1040
Kingswood Wealth Advisors
California
– – -1,006 Closed
HCS
1041
Himension Capital (Singapore)
Singapore
– – -998 Closed
FSA
1042
Fort Sheridan Advisors
Illinois
– – -995 Closed
ZF
1043
Zhang Financial
Michigan
– – -931 Closed
NFP
1044
Narus Financial Partners
Utah
– – -900 Closed
SC
1045
Shay Capital
New York
– – -900 Closed
SWA
1046
Stratos Wealth Advisors
Ohio
– – -877 Closed
FFA
1047
Founders Financial Alliance
North Carolina
– – -872 Closed
NP
1048
Nilsine Partners
Colorado
– – -857 Closed
AAS
1049
Avantax Advisory Services
Texas
– – -833 Closed
TC
1050
TwinBeech Capital
New York
– – -816 Closed
40 41
42
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