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Biogen

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.

New
Increased
Maintained
Reduced
Closed
Holders
776
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
33
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$893M
Puts
$1.2B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$553M
27
$540M
28
$511M
29
$489M
30
$447M
31
$408M
32
$405M
33
$380M
34
$378M
35
$377M
36
$346M
37
$324M
38
$308M
39
$304M
40
$303M
41
$293M
42
$276M
43
$274M
44
$244M
45
$242M
46
$235M
47
$232M
48
$228M
49
$222M
50
$217M