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Biogen

884 hedge funds and large institutions have $72.3B invested in Biogen in 2014 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 343 increasing their positions, 279 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
884
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
52
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$975M
Puts
$1.36B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$225M
52
$224M
53
$217M
54
$204M
55
$202M
56
$195M
57
$185M
58
$184M
59
$183M
60
$182M
61
$167M
62
$156M
63
$154M
64
$154M
65
$150M
66
$149M
67
$149M
68
$144M
69
$137M
70
$135M
71
$135M
72
$130M
73
$127M
74
$125M
75
$122M