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Arrowhead Research

100 hedge funds and large institutions have $259M invested in Arrowhead Research in 2014 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 28 increasing their positions, 30 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
100
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.49M
Puts
$6.13M
Net Calls
Net Calls Change

Top Buyers

1 +$22.1M
2 +$17.8M
3 +$17.4M
4
QF
QVT Financial
New York
+$13.9M
5
GPP
Great Point Partners
Connecticut
+$8.32M

Top Sellers

1 -$76.5M
2 -$22.8M
3 -$20.2M
4
PA
Perceptive Advisors
New York
-$18.4M
5
VAM
Visium Asset Management
New York
-$15.4M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.94M
27
$1.9M
28
$1.68M
29
$1.5M
30
$1.34M
31
$1.16M
32
$946K
33
$896K
34
$887K
35
$873K
36
$829K
37
$751K
38
$701K
39
$667K
40
$641K
41
$606K
42
$517K
43
$454K
44
$436K
45
$416K
46
$397K
47
$383K
48
$369K
49
$348K
50
$307K