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Biogen
BIIB

Overview Fund Activity

922 hedge funds and large institutions have $58.4B invested in Biogen in 2015 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 406 increasing their positions, 283 reducing their positions, and 150 closing their positions.

Holders
922
Holders Change
-50
Holders Change %
-5.14%
% of All Funds
25.77%
Holding in Top 10
37
Holding in Top 10 Change
-15
Holding in Top 10 Change %
-28.85%
% of All Funds
1.03%
New
105
Increased
406
Reduced
283
Closed
150
Calls
$1.22B
Puts
$1.8B
Net Calls
-$579M
Net Calls Change
-$71.2M

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$1.11B
2
SCM
2
Steadfast Capital Management
New York
$278M
3
Bank of America
3
Bank of America
North Carolina
$415M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$1.65B
5
BA
5
BlackRock Advisors
Delaware
$455M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.83B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.76B
3
Winslow Capital Management
3
Winslow Capital Management
Minnesota
$0
4
MCM
4
Marsico Capital Management
Colorado
$0
5
DCP
5
DSM Capital Partners
Florida
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PPA
51
Parametric Portfolio Associates
Washington
$192M 659,404 +208,610 +46%
CS
52
Credit Suisse
Switzerland
$186M 638,062 -62,270 -9%
SAM
53
Sectoral Asset Management
Quebec, Canada
$182M 625,096 +137,664 +28%
Millennium Management
54
Millennium Management
New York
$182M 624,834 -295,256 -32%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$178M 610,699 +300 +0%
Arrowstreet Capital
56
Arrowstreet Capital
Massachusetts
$177M 607,010 +304,100 +100%
D.E. Shaw & Co
57
D.E. Shaw & Co
New York
$175M 598,378 +448,869 +300%
PI
58
Putnam Investments
Massachusetts
$173M 592,495 -110,781 -16%
Citadel Advisors
59
Citadel Advisors
Florida
$173M 591,889 +148,153 +33%
VOYA Investment Management
60
VOYA Investment Management
Georgia
$167M 572,428 -4,780 -0.8%
Barclays
61
Barclays
United Kingdom
$160M 550,164 +152,755 +38%
APG Asset Management
62
APG Asset Management
Netherlands
$154M 527,969 -18,745 -3%
Axa
63
Axa
France
$152M 519,849 +71,333 +16%
TA
64
Teachers Advisors
New York
$149M 511,094 -45,374 -8%
Fidelity International
65
Fidelity International
Bermuda
$142M 486,748 +195,952 +67%
FAM
66
Fred Alger Management
New York
$137M 468,918 -403,077 -46%
Federated Hermes
67
Federated Hermes
Pennsylvania
$137M 467,861 +25,599 +6%
TCM
68
Tekla Capital Management
Massachusetts
$136M 467,183 +113,950 +32%
Mitsubishi UFJ Trust & Banking
69
Mitsubishi UFJ Trust & Banking
Japan
$136M 465,946 +7,423 +2%
First Trust Advisors
70
First Trust Advisors
Illinois
$134M 458,300 -50,433 -10%
New York State Teachers Retirement System (NYSTRS)
71
New York State Teachers Retirement System (NYSTRS)
New York
$132M 451,091 -2,012 -0.4%
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$125M 428,917 -700 -0.2%
Swiss National Bank
73
Swiss National Bank
Switzerland
$123M 419,799 +41,200 +11%
Dimensional Fund Advisors
74
Dimensional Fund Advisors
Texas
$116M 398,759 +26,456 +7%
Schroder Investment Management Group
75
Schroder Investment Management Group
United Kingdom
$112M 383,729 +246,191 +179%
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