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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
1
$17.3M
2
$13M
3
$12.1M
4
$11.2M
5
$9.3M
6
$8.79M
7
$8.7M
8
$5.82M
9
$5.26M
10
$5.24M
11
$4.19M
12
$3.65M
13
$3.63M
14
$3.38M
15
$3.11M
16
$2.68M
17
$2.12M
18
$2.12M
19
$1.73M
20
$1.72M
21
$1.55M
22
$1.45M
23
$1.27M
24
$1.23M
25
$1.07M