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Arrowhead Research

102 hedge funds and large institutions have $638M invested in Arrowhead Research in 2014 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 33 increasing their positions, 17 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
102
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$16.1M
Puts
$9.77M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$1.14M
52
$1.07M
53
$938K
54
$802K
55
$741K
56
$726K
57
$710K
58
$659K
59
$608K
60
$586K
61
$562K
62
$509K
63
$484K
64
$473K
65
$415K
66
$400K
67
$354K
68
$263K
69
$263K
70
$259K
71
$245K
72
$242K
73
$228K
74
$206K
75
$173K