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Arrowhead Research

97 hedge funds and large institutions have $136M invested in Arrowhead Research in 2015 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 29 increasing their positions, 30 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
97
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49M
Puts
$4.14M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$182K
52
$173K
53
$164K
54
$157K
55
$155K
56
$154K
57
$141K
58
$141K
59
$139K
60
$137K
61
$133K
62
$130K
63
$123K
64
$109K
65
$106K
66
$106K
67
$105K
68
$104K
69
$100K
70
$73K
71
$73K
72
$73K
73
$70K
74
$67K
75
$62K