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Arrowhead Research

94 hedge funds and large institutions have $194M invested in Arrowhead Research in 2015 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 28 increasing their positions, 24 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
94
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
$3.6M
Puts
$3.88M
Net Calls
Net Calls Change

Top Buyers

1 +$5.72M
2 +$4.66M
3 +$3.4M
4
Ameriprise
Ameriprise
Minnesota
+$1.88M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$1.58M

Top Sellers

1 -$20.1M
2 -$11.9M
3 -$8.29M
4
QF
QVT Financial
New York
-$3.58M
5
BBA
Baker Bros. Advisors
New York
-$2.01M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$215K
52
$166K
53
$164K
54
$164K
55
$161K
56
$159K
57
$154K
58
$152K
59
$151K
60
$149K
61
$126K
62
$121K
63
$117K
64
$117K
65
$100K
66
$87K
67
$86K
68
$81K
69
$64K
70
$58K
71
$54K
72
$51K
73
$41K
74
$36K
75
$35K