964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$148M
52
$146M
53
$142M
54
$140M
55
$136M
56
$135M
57
$133M
58
$133M
59
$128M
60
$124M
61
$124M
62
$122M
63
$121M
64
$115M
65
$112M
66
$109M
67
$107M
68
$105M
69
$104M
70
$103M
71
$102M
72
$96M
73
$95M
74
$93.6M
75
$89M