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Arrowhead Research
ARWR

Overview Fund Activity

112 hedge funds and large institutions have $559M invested in Arrowhead Research in 2014 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 42 increasing their positions, 27 reducing their positions, and 27 closing their positions.

Holders
112
Holders Change
+10
Holders Change %
+9.8%
% of All Funds
3.22%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.03%
New
37
Increased
42
Reduced
27
Closed
27
Calls
$24.3M
Puts
$15.8M
Net Calls
+$8.55M
Net Calls Change
+$2.26M

Top Buyers

1
BFA
1
BlackRock Fund Advisors
California
$18.4M
2
State Street
2
State Street
Massachusetts
$26.8M
3
O
3
OrbiMed
New York
$70.9M
4
Citadel Advisors
4
Citadel Advisors
Florida
$12.6M
5
BIT
5
BlackRock Institutional Trust
California
$20.7M

Top Sellers

1
SCA
1
SAC Capital Advisors
Connecticut
$0
2
RCM
2
RA Capital Management
Massachusetts
$8.65M
3
Millennium Management
3
Millennium Management
New York
$17.9M
4
Artisan Partners
4
Artisan Partners
Wisconsin
$0
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$71.6M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$71.6M 5,003,850 -517,100 -9%
O
2
OrbiMed
New York
$70.9M 4,957,800 +1,047,800 +27%
State Street
3
State Street
Massachusetts
$26.8M 1,875,705 +1,090,595 +139%
QF
4
QVT Financial
New York
$25.3M 1,819,982 -204,800 -10%
Franklin Resources
5
Franklin Resources
California
$23.3M 1,629,400 -61,200 -4%
Vanguard Group
6
Vanguard Group
Pennsylvania
$21.3M 1,487,288 +267,950 +22%
BIT
7
BlackRock Institutional Trust
California
$20.7M 1,446,340 +803,788 +125%
BBA
8
Baker Bros. Advisors
New York
$20.5M 1,430,802 +698,740 +95%
BFA
9
BlackRock Fund Advisors
California
$18.4M 1,285,750 +1,162,395 +942%
Millennium Management
10
Millennium Management
New York
$17.9M 1,248,503 -976,672 -44%
AllianceBernstein
11
AllianceBernstein
Tennessee
$16.8M 1,171,882 +353,214 +43%
VAM
12
Visium Asset Management
New York
$15.9M 1,112,486 -104,697 -9%
AWMDMG
13
Austin W. Marxe & David M. Greenhouse
New York
$14.3M 996,215 -286,873 -22%
JHIU
14
Janus Henderson Investors US
Colorado
$13.2M 924,608 +152,588 +20%
JPMorgan Chase & Co
15
JPMorgan Chase & Co
New York
$13M 906,563 +233,300 +35%
CAM
16
Cormorant Asset Management
Massachusetts
$12.9M 900,000 -100,000 -10%
Citadel Advisors
17
Citadel Advisors
Florida
$12.6M 882,625 +853,798 +2,962%
BCPEM
18
Bain Capital Public Equity Management
Massachusetts
$11.9M 829,710 +112,210 +16%
Jennison Associates
19
Jennison Associates
New York
$10.7M 746,366 -30,380 -4%
Ameriprise
20
Ameriprise
Minnesota
$10.6M 744,136 +42,889 +6%
BNP Paribas Asset Management
21
BNP Paribas Asset Management
France
$9.53M 665,842 +344,901 +107%
RCM
22
RA Capital Management
Massachusetts
$8.65M 604,346 -2,337,570 -79%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$6.88M 480,990 +480,990 New
PA
24
Perceptive Advisors
New York
$6.05M 422,406 +105,106 +33%
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$5.84M 407,922 +200,512 +97%
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