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Arrowhead Research

103 hedge funds and large institutions have $148M invested in Arrowhead Research in 2015 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 45 increasing their positions, 23 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
103
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.17M
Puts
$3.09M
Net Calls
Net Calls Change

Top Buyers

1 +$4.19M
2 +$2.68M
3 +$2.02M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$1.28M
5
Group One Trading
Group One Trading
Illinois
+$872K

Top Sellers

1 -$8.65M
2 -$5.72M
3 -$4.51M
4
RI
RTW Investments
New York
-$2.67M
5
CA
Commerzbank Aktiengesellschaft
Germany
-$1.64M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$232K
52
$225K
53
$221K
54
$215K
55
$209K
56
$207K
57
$206K
58
$192K
59
$179K
60
$163K
61
$145K
62
$135K
63
$133K
64
$132K
65
$130K
66
$117K
67
$113K
68
$103K
69
$100K
70
$98K
71
$97K
72
$86K
73
$85K
74
$74K
75
$72K