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Biogen
BIIB

Overview Fund Activity

965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$9.31B
2
JSP
2
Jackson Square Partners
California
$438M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.46B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$385M
5
IC
5
Institutional Capital
Illinois
$279M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$4.56B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.47B
3
Primecap Management
3
Primecap Management
California
$6.99B
4
Goldman Sachs
4
Goldman Sachs
New York
$534M
5
Jennison Associates
5
Jennison Associates
New York
$2.15B
Name Market Value Shares Shares
Change 		Shares
Change %
Macquarie Group
76
Macquarie Group
Australia
$179M 423,237 +341,417 +417%
Axa
77
Axa
France
$176M 417,977 +43,974 +12%
HSBC Holdings
78
HSBC Holdings
United Kingdom
$166M 393,654 +26,769 +7%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$165M 391,065 -6,863 -2%
Barclays
80
Barclays
United Kingdom
$163M 386,925 +125,855 +48%
Swiss National Bank
81
Swiss National Bank
Switzerland
$152M 359,799 +140,500 +64%
GC
82
Guggenheim Capital
Illinois
$151M 356,796 +54,087 +18%
VAM
83
Vontobel Asset Management
New York
$145M 329,099 +3,290 +1%
First Trust Advisors
84
First Trust Advisors
Illinois
$144M 341,875 -41,881 -11%
Dimensional Fund Advisors
85
Dimensional Fund Advisors
Texas
$144M 340,649 +10,033 +3%
TCM
86
Tekla Capital Management
Massachusetts
$143M 339,483 +12,200 +4%
NFA
87
Nationwide Fund Advisors
Ohio
$141M 335,108 +34,944 +12%
MTB
88
Mizuho Trust & Banking
Japan
$139M 329,467 +16,638 +5%
Westfield Capital Management
89
Westfield Capital Management
Massachusetts
$135M 320,001 +319,311 +46,277%
State Board of Administration of Florida Retirement System
90
State Board of Administration of Florida Retirement System
Florida
$132M 313,791 -33,602 -10%
TA
91
Teachers Advisors
New York
$132M 312,536 -140,313 -31%
Principal Financial Group
92
Principal Financial Group
Iowa
$132M 312,027 -25,710 -8%
RFC
93
Russell Frank Company
Washington
$130M 306,949 -9,841 -3%
BNP Paribas Asset Management
94
BNP Paribas Asset Management
France
$124M 292,967 +110,127 +60%
BJ
95
BlackRock Japan
Japan
$121M 286,087 -32,563 -10%
WA
96
WestEnd Advisors
North Carolina
$118M 278,522 -27,710 -9%
Swedbank
97
Swedbank
Sweden
$114M 271,106 +271,106 New
CNB
98
City National Bank
California
$114M 270,756 +10,900 +4%
TD Asset Management
99
TD Asset Management
Ontario, Canada
$114M 270,264 -16,436 -6%
SEI Investments
100
SEI Investments
Pennsylvania
$111M 264,066 -70,754 -21%
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4
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