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Biogen
BIIB

Overview Fund Activity

1,056 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 287 increasing their positions, 430 reducing their positions, and 148 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,056
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.74%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
287
Reduced
430
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$1.42B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$485M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$713M
4
BG
Bellevue Group
Switzerland
$138M
5
DM
Deerfield Management
New York
$110M

Top Sellers

1
AQR Capital Management
AQR Capital Management
Connecticut
$245M
2
BlackRock
BlackRock
New York
$3.29B
3
Renaissance Technologies
Renaissance Technologies
New York
$744M
4
State Street
State Street
Massachusetts
$1.71B
5
KBC Group
KBC Group
Belgium
$132M
Name Holding Trade Value Shares
Change 		Shares
Change %
IA
1051
Inspire Advisors
Idaho
$1K +$1K +5 New
RA
1052
Resolute Advisors
California
$1K +$1K +5 New
GFPC
1053
Global Financial Private Client
Florida
$490 +$490 +2 New
WOSD
1054
WFA of San Diego
California
$244 +$244 +567 New
TI
1055
tru Independence
Oregon
$23 +$1 +4 +4%
Capital World Investors
1056
Capital World Investors
California
– -$90.2M -317,974 Closed
APM
1057
Avidity Partners Management
Texas
– -$89.4M -315,100 Closed
AAM
1058
Ardevora Asset Management
United Kingdom
– -$45M -158,531 Closed
SC
1059
Samlyn Capital
New York
– -$30.5M -107,626 Closed
AL
1060
AJO LP
Pennsylvania
– -$30.2M -106,444 Closed
WCM
1061
Wedge Capital Management
North Carolina
– -$28.6M -100,861 Closed
Voloridge Investment Management
1062
Voloridge Investment Management
Florida
– -$17.6M -62,048 Closed
Capital Fund Management (CFM)
1063
Capital Fund Management (CFM)
France
– -$15.7M -55,464 Closed
MBI
1064
Montrusco Bolton Investments
Quebec, Canada
– -$15M -54,622 Closed
PP
1065
Paloma Partners
Connecticut
– -$9.37M -33,018 Closed
PP
1066
PDT Partners
New York
– -$7.81M -27,513 Closed
CL
1067
CIM LLC
New York
– -$7.62M -23,165 Closed
Parallax Volatility Advisers
1068
Parallax Volatility Advisers
California
– -$4.42M -15,584 Closed
VMPIC
1069
Varma Mutual Pension Insurance Co
Finland
– -$4.26M -15,000 Closed
AHB
1070
Abner Herrman & Brock
New Jersey
– -$3.67M -12,921 Closed
B
1071
Barings
North Carolina
– -$3.66M -12,887 Closed
CM
1072
Caption Management
Oklahoma
– -$3.63M -12,800 Closed
MPM
1073
Meritage Portfolio Management
Kansas
– -$3.56M -12,563 Closed
HCMT
1074
Highland Capital Management (Tennessee)
Tennessee
– -$3.47M -12,236 Closed
SGH
1075
Sivik Global Healthcare
Connecticut
– -$3.4M -12,000 Closed
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