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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 %
OWA
1051
One Wealth Advisors
California
– – -809 Closed
ACI
1052
Alpha Cubed Investments
California
– – -802 Closed
NFSG
1053
Newbridge Financial Services Group
Florida
– – -500 Closed
WWP
1054
WR Wealth Planners
Missouri
– – -365 Closed
HPC
1055
HM Payson & Co
Maine
– – -250 Closed
BAAM
1056
Baker Avenue Asset Management
California
– – -183 Closed
CCA
1057
Catalyst Capital Advisors
New York
– – -107 Closed
LAM
1058
L2 Asset Management
Massachusetts
– – -101 Closed
EARNEST Partners
1059
EARNEST Partners
Georgia
– – -82 Closed
SCA
1060
Stonebridge Capital Advisors
Minnesota
– – -60 Closed
ACA
1061
Atlas Capital Advisors
Wyoming
– – -60 Closed
RTC
1062
Riverview Trust Company
Washington
– – -47 Closed
BBPWM
1063
Blue Bell Private Wealth Management
Pennsylvania
– – -40 Closed
HBW
1064
Hazlett, Burt & Watson
West Virginia
– – -35 Closed
PCTC
1065
Perkins Coie Trust Company
Washington
– – -22 Closed
RCG
1066
Rock Creek Group
District of Columbia
– – -20 Closed
AWM
1067
Activest Wealth Management
Florida
– – -15 Closed
AW
1068
Avion Wealth
Texas
– – -13 Closed
PPC
1069
Park Place Capital
Alabama
– – -7 Closed
1832 Asset Management
1070
1832 Asset Management
Ontario, Canada
– – -5 Closed
PPWM
1071
PFG Private Wealth Management
Florida
– – -4 Closed
NC
1072
NewSquare Capital
Pennsylvania
– – -3 Closed
CAM
1073
ClariVest Asset Management
California
– – -2 Closed
Tudor Investment Corp
1074
Tudor Investment Corp
Connecticut
– – – –
Walleye Trading
1075
Walleye Trading
New York
– – – –
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