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Arrowhead Research
ARWR

Overview Fund Activity

102 hedge funds and large institutions have $638M invested in Arrowhead Research in 2014 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 33 increasing their positions, 17 reducing their positions, and 13 closing their positions.

Holders
102
Holders Change
+35
Holders Change %
+52.24%
% of All Funds
2.95%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.12%
New
48
Increased
33
Reduced
17
Closed
13
Calls
$16.1M
Puts
$9.77M
Net Calls
+$6.3M
Net Calls Change
+$5.8M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$90.7M
2
O
2
OrbiMed
New York
$64.2M
3
Millennium Management
3
Millennium Management
New York
$36.5M
4
SCA
4
SAC Capital Advisors
Connecticut
$45M
5
RCM
5
RA Capital Management
Massachusetts
$48.3M

Top Sellers

1
BBA
1
Baker Bros. Advisors
New York
$12M
2
AWMDMG
2
Austin W. Marxe & David M. Greenhouse
New York
$21.1M
3
CCM
3
Camber Capital Management
Massachusetts
$0
4
PCA
4
Private Capital Advisors
Connecticut
$0
5
RCI
5
Ridgeback Capital Investments
Florida
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$90.7M 5,520,950 +5,520,950 New
O
2
OrbiMed
New York
$64.2M 3,910,000 +1,781,100 +84%
RCM
3
RA Capital Management
Massachusetts
$48.3M 2,941,916 +892,696 +44%
SCA
4
SAC Capital Advisors
Connecticut
$45M 2,740,000 +1,240,000 +83%
Millennium Management
5
Millennium Management
New York
$36.5M 2,225,175 +1,362,316 +158%
QF
6
QVT Financial
New York
$32.4M 2,024,782 -23,000 -1%
Franklin Resources
7
Franklin Resources
California
$27.8M 1,690,600 +379,057 +29%
AWMDMG
8
Austin W. Marxe & David M. Greenhouse
New York
$21.1M 1,283,088 -1,831,666 -59%
Vanguard Group
9
Vanguard Group
Pennsylvania
$20M 1,219,338 +625,904 +105%
VAM
10
Visium Asset Management
New York
$20M 1,217,183 +681,151 +127%
CAM
11
Cormorant Asset Management
Massachusetts
$16.4M 1,000,000 +4,500 +0.5%
AllianceBernstein
12
AllianceBernstein
Tennessee
$13.4M 818,668 +818,302 +223,580%
State Street
13
State Street
Massachusetts
$12.9M 785,110 +785,110 New
Jennison Associates
14
Jennison Associates
New York
$12.8M 776,746 +776,746 New
JHIU
15
Janus Henderson Investors US
Colorado
$12.7M 772,020 +772,020 New
BBA
16
Baker Bros. Advisors
New York
$12M 732,062 -2,357,938 -76%
BCPEM
17
Bain Capital Public Equity Management
Massachusetts
$11.8M 717,500 +717,500 New
Ameriprise
18
Ameriprise
Minnesota
$11.5M 701,247 +701,247 New
JPMorgan Chase & Co
19
JPMorgan Chase & Co
New York
$11.1M 673,263 +15,531 +2%
Artisan Partners
20
Artisan Partners
Wisconsin
$10.8M 657,723 +657,723 New
BIT
21
BlackRock Institutional Trust
California
$10.6M 642,552 +185,217 +40%
HM
22
HealthCor Management
New York
$7.39M 450,000 +450,000 New
SCM
23
Sigma Capital Management
Connecticut
$6.57M 400,000 -100,000 -20%
BNP Paribas Asset Management
24
BNP Paribas Asset Management
France
$5.27M 320,941 +320,941 New
PA
25
Perceptive Advisors
New York
$5.21M 317,300 +317,300 New
1
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