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Biogen
BIIB

Overview Fund Activity

968 hedge funds and large institutions have $58.9B invested in Biogen in 2015 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 330 increasing their positions, 372 reducing their positions, and 82 closing their positions.

Holders
968
Holders Change
+46
Holders Change %
+4.99%
% of All Funds
25.42%
Holding in Top 10
37
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.97%
New
139
Increased
330
Reduced
372
Closed
82
Calls
$1.24B
Puts
$1.63B
Net Calls
-$397M
Net Calls Change
+$181M

Top Buyers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$641M
2
JSP
2
Jackson Square Partners
California
$874M
3
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$157M
4
Millennium Management
4
Millennium Management
New York
$322M
5
Viking Global Investors
5
Viking Global Investors
Connecticut
$113M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$3.96B
2
JHIU
2
Janus Henderson Investors US
Colorado
$302M
3
SCM
3
Steadfast Capital Management
New York
$53.3M
4
Sands Capital Management
4
Sands Capital Management
Virginia
$1.03B
5
Jennison Associates
5
Jennison Associates
New York
$1.04B
Name Market Value Shares Shares
Change 		Shares
Change %
Royal Bank of Canada
76
Royal Bank of Canada
Ontario, Canada
$108M 350,966 +119,437 +52%
Barclays
77
Barclays
United Kingdom
$106M 346,608 -203,556 -37%
State of New Jersey Common Pension Fund D
78
State of New Jersey Common Pension Fund D
New Jersey
$101M 328,485 +20,000 +6%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$99.7M 325,298 -11,589 -3%
BJ
80
BlackRock Japan
Japan
$99.6M 325,023 +4,089 +1%
William Blair Investment Management
81
William Blair Investment Management
Illinois
$96.7M 315,794 +73,617 +30%
ACM
82
Atlanta Capital Management
Georgia
$96M 313,466 +27,575 +10%
SCM
83
Sarissa Capital Management
Connecticut
$95M 310,000 +310,000 New
Principal Financial Group
84
Principal Financial Group
Iowa
$94.7M 308,981 -62,903 -17%
SIG
85
Senator Investment Group
New York
$91.9M 300,000 -50,000 -14%
WA
86
WestEnd Advisors
North Carolina
$91.4M 298,374 +9,658 +3%
SAM
87
Sectoral Asset Management
Quebec, Canada
$89.1M 290,889 -334,207 -53%
Arrowstreet Capital
88
Arrowstreet Capital
Massachusetts
$88.6M 289,253 -317,757 -52%
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$86.3M 281,541 -17,139 -6%
PAMU
90
Pictet Asset Management (UK)
United Kingdom
$86.2M 281,519 -22,684 -7%
Credit Agricole
91
Credit Agricole
France
$86.2M 281,425 +108,655 +63%
SO
92
STRS Ohio
Ohio
$85.4M 278,869 -3,481 -1%
ProShare Advisors
93
ProShare Advisors
Maryland
$84.4M 275,612 +19,262 +8%
ATN
94
AMF Tjänstepension
Sweden
$82M 267,824 +60,935 +29%
IG
95
ING Group
Netherlands
$81.5M 265,955 +205,742 +342%
VanEck Associates
96
VanEck Associates
New York
$79.6M 259,820 +93,333 +56%
GT
97
Glenmede Trust
Pennsylvania
$78.9M 257,664 +229,426 +812%
CS
98
Candriam SCA
Luxembourg
$74.4M 243,019 +30,283 +14%
SC
99
Samlyn Capital
New York
$74.1M 242,000 +58,400 +32%
CLM
100
ClearBridge LLC (Maryland)
Maryland
$72.8M 237,530 +237,530 New
2 3
4
5 6