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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
51
$205M
52
$199M
53
$191M
54
$179M
55
$166M
56
$164M
57
$155M
58
$149M
59
$148M
60
$146M
61
$143M
62
$139M
63
$135M
64
$135M
65
$132M
66
$130M
67
$130M
68
$128M
69
$127M
70
$119M
71
$115M
72
$114M
73
$110M
74
$107M
75
$105M