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Arrowhead Research

97 hedge funds and large institutions have $136M invested in Arrowhead Research in 2015 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 29 increasing their positions, 30 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
97
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49M
Puts
$4.14M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$18.4M
2
$14.1M
3
$14M
4
$12M
5
$9.77M
6
$9.48M
7
$6.21M
8
$5.79M
9
$5.66M
10
$3.89M
11
$2.99M
12
$2.91M
13
$2.85M
14
$2.32M
15
$2.31M
16
$1.85M
17
$1.85M
18
$1.56M
19
$1.35M
20
$1.15M
21
$904K
22
$833K
23
$746K
24
$678K
25
$671K