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Biogen
BIIB

Overview Fund Activity

776 hedge funds and large institutions have $66.1B invested in Biogen in 2014 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 284 increasing their positions, 294 reducing their positions, and 46 closing their positions.

Holders
776
Holders Change
+38
Holders Change %
+5.15%
% of All Funds
22.43%
Holding in Top 10
33
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.81%
% of All Funds
0.95%
New
95
Increased
284
Reduced
294
Closed
46
Calls
$893M
Puts
$1.2B
Net Calls
-$307M
Net Calls Change
-$449M

Top Buyers

1
JHIU
1
Janus Henderson Investors US
Colorado
$676M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$3.72B
3
WRF
3
Waddell & Reed Financial
Kansas
$786M
4
BA
4
BlackRock Advisors
Delaware
$447M
5
Franklin Resources
5
Franklin Resources
California
$698M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$6.71B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.89B
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$2.61B
4
State Street
4
State Street
Massachusetts
$2.92B
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$808M
Name Market Value Shares Shares
Change 		Shares
Change %
SFG
826
SNS Financial Group
Minnesota
– – – –
AG
827
Artal Group
Luxembourg
– – – –
ST
828
SpiderRock Trading
Illinois
– – – –
MF
829
Magnetar Financial
Illinois
– – – –
ACPU
830
Arrowgrass Capital Partners (US)
Delaware
– – – –
ID
831
Integral Derivatives
New York
– – – –
30 31 32 33
34