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
26
$432M
27
$391M
28
$363M
29
$337M
30
$328M
31
$320M
32
$278M
33
$275M
34
$274M
35
$260M
36
$257M
37
$241M
38
$240M
39
$206M
40
$198M
41
$195M
42
$194M
43
$183M
44
$172M
45
$163M
46
$162M
47
$157M
48
$157M
49
$150M
50
$149M