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Arrowhead Research
ARWR

Overview Fund Activity

116 hedge funds and large institutions have $703M invested in Arrowhead Research in 2018 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 32 increasing their positions, 25 reducing their positions, and 21 closing their positions.

Holders
116
Holders Change
+24
Holders Change %
+26.09%
% of All Funds
2.66%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
46
Increased
32
Reduced
25
Closed
21
Calls
$12.8M
Puts
$8.12M
Net Calls
+$4.7M
Net Calls Change
+$4.91M

Top Buyers

1
RI
1
RTW Investments
New York
$113M
2
BlackRock
2
BlackRock
New York
$96.3M
3
State Street
3
State Street
Massachusetts
$54.8M
4
Invesco
4
Invesco
Georgia
$13.4M
5
Northern Trust
5
Northern Trust
Illinois
$14.5M

Top Sellers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$1.55M
2
ACP
2
Acuta Capital Partners
California
$14M
3
NC
3
Nexthera Capital
New York
$0
4
Goldman Sachs
4
Goldman Sachs
New York
$1.24M
5
Millennium Management
5
Millennium Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
RI
1
RTW Investments
New York
$113M 8,299,542 +5,382,981 +185%
O
2
OppenheimerFunds
New York
$106M 7,810,039 +2,395 +0%
BlackRock
3
BlackRock
New York
$96.3M 7,083,926 +3,679,986 +108%
First Manhattan
4
First Manhattan
New York
$61.6M 4,530,250 – –
State Street
5
State Street
Massachusetts
$54.8M 4,031,856 +1,478,425 +58%
Vanguard Group
6
Vanguard Group
Pennsylvania
$53.6M 3,941,108 +506,996 +15%
VC
7
Vivo Capital
California
$25.8M 1,900,000 – –
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$20.4M 1,503,500 – –
Northern Trust
9
Northern Trust
Illinois
$14.5M 1,063,499 +841,982 +380%
ACP
10
Acuta Capital Partners
California
$14M 1,030,330 -731,876 -42%
Invesco
11
Invesco
Georgia
$13.4M 984,963 +984,963 New
Geode Capital Management
12
Geode Capital Management
Massachusetts
$11.9M 873,912 +243,281 +39%
UIC
13
Uniplan Investment Counsel
Wisconsin
$10.3M 757,137 +32,909 +5%
GTC
14
Ghost Tree Capital
New York
$9.52M 700,000 -100,000 -13%
Citadel Advisors
15
Citadel Advisors
Florida
$8.17M 600,994 +575,955 +2,300%
Charles Schwab
16
Charles Schwab
California
$6.23M 457,891 +184,849 +68%
ACA
17
Avoro Capital Advisors
New York
$6.12M 450,000 +450,000 New
PA
18
Perceptive Advisors
New York
$4.97M 365,445 – –
Bank of New York Mellon
19
Bank of New York Mellon
New York
$4.63M 340,244 +263,205 +342%
Morgan Stanley
20
Morgan Stanley
New York
$3.84M 282,371 +100,258 +55%
California Public Employees Retirement System
21
California Public Employees Retirement System
California
$3.16M 232,622 -1,878 -0.8%
Deutsche Bank
22
Deutsche Bank
Germany
$3.09M 227,168 -9,677 -4%
TCIM
23
TIAA CREF Investment Management
New York
$2.6M 190,952 +190,952 New
Two Sigma Investments
24
Two Sigma Investments
New York
$2.56M 188,364 +188,364 New
ARTA
25
A.R.T. Advisors
New York
$2.4M 176,170 +75,700 +75%
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