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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
26
$633K
27
$557K
28
$456K
29
$451K
30
$414K
31
$406K
32
$387K
33
$378K
34
$357K
35
$348K
36
$340K
37
$335K
38
$319K
39
$317K
40
$292K
41
$276K
42
$254K
43
$254K
44
$248K
45
$246K
46
$242K
47
$240K
48
$239K
49
$229K
50
$220K