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Biogen
BIIB

Overview Fund Activity

972 hedge funds and large institutions have $85.3B invested in Biogen in 2015 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 367 increasing their positions, 347 reducing their positions, and 85 closing their positions.

Holders
972
Holders Change
+7
Holders Change %
+0.73%
% of All Funds
26.21%
Holding in Top 10
52
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-23.53%
% of All Funds
1.4%
New
100
Increased
367
Reduced
347
Closed
85
Calls
$1.21B
Puts
$1.72B
Net Calls
-$507M
Net Calls Change
+$74.4M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.95B
2
JSP
2
Jackson Square Partners
California
$735M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$207M
4
TCIM
4
TIAA CREF Investment Management
New York
$865M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$233M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$2B
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$60.4M
3
Ameriprise
3
Ameriprise
Minnesota
$1.06B
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$520M
5
MCM
5
Marsico Capital Management
Colorado
$518M
Name Market Value Shares Shares
Change 		Shares
Change %
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$174M 429,617 -4,990 -1%
Artisan Partners
77
Artisan Partners
Wisconsin
$167M 414,178 -55,755 -12%
Barclays
78
Barclays
United Kingdom
$160M 397,409 +10,484 +3%
GC
79
Guggenheim Capital
Illinois
$157M 389,787 +32,991 +9%
Swiss National Bank
80
Swiss National Bank
Switzerland
$153M 378,599 +18,800 +5%
Dimensional Fund Advisors
81
Dimensional Fund Advisors
Texas
$150M 372,303 +31,654 +9%
HSBC Holdings
82
HSBC Holdings
United Kingdom
$149M 369,959 -23,695 -6%
NFA
83
Nationwide Fund Advisors
Ohio
$144M 355,829 +20,721 +6%
TCM
84
Tekla Capital Management
Massachusetts
$143M 353,233 +13,750 +4%
VAM
85
Vontobel Asset Management
New York
$138M 325,755 -3,344 -1%
RhumbLine Advisers
86
RhumbLine Advisers
Massachusetts
$135M 334,433 -56,632 -14%
MTB
87
Mizuho Trust & Banking
Japan
$135M 334,396 +4,929 +1%
Principal Financial Group
88
Principal Financial Group
Iowa
$128M 318,113 +6,086 +2%
Royal Bank of Canada
89
Royal Bank of Canada
Ontario, Canada
$127M 314,466 +61,571 +24%
Calamos Advisors
90
Calamos Advisors
Illinois
$125M 309,983 +100,287 +48%
State Board of Administration of Florida Retirement System
91
State Board of Administration of Florida Retirement System
Florida
$123M 305,322 -8,469 -3%
Arrowstreet Capital
92
Arrowstreet Capital
Massachusetts
$122M 302,910 +300,810 +14,324%
BJ
93
BlackRock Japan
Japan
$120M 297,319 +11,232 +4%
Fidelity International
94
Fidelity International
Bermuda
$117M 290,796 +91,012 +46%
Swedbank
95
Swedbank
Sweden
$114M 283,026 +11,920 +4%
SO
96
STRS Ohio
Ohio
$112M 277,894 +32,560 +13%
Balyasny Asset Management
97
Balyasny Asset Management
Illinois
$111M 275,246 +248,336 +923%
ACM
98
Atlanta Capital Management
Georgia
$111M 273,696 +163,112 +148%
WA
99
WestEnd Advisors
North Carolina
$110M 272,177 -6,345 -2%
TD Asset Management
100
TD Asset Management
Ontario, Canada
$105M 261,020 -9,244 -3%
2 3
4
5 6