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Arrowhead Research

88 hedge funds and large institutions have $212M invested in Arrowhead Research in 2015 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 32 increasing their positions, 26 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
88
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
$5.37M
Puts
$7.05M
Net Calls
Net Calls Change

Top Buyers

1 +$9.05M
2 +$6.74M
3 +$4.2M
4
TI
Telemetry Investments
New York
+$778K
5
Vanguard Group
Vanguard Group
Pennsylvania
+$738K

Top Sellers

1 -$11.3M
2 -$8.32M
3 -$8.24M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$4.65M
5
ACA
Avoro Capital Advisors
New York
-$3.88M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$158K
52
$156K
53
$155K
54
$154K
55
$143K
56
$127K
57
$127K
58
$119K
59
$104K
60
$104K
61
$102K
62
$71K
63
$67K
64
$61K
65
$56K
66
$44K
67
$44K
68
$38K
69
$33K
70
$23K
71
$17K
72
$14K
73
$12K
74
$11K
75
$10K