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Arrowhead Research
ARWR

Overview Fund Activity

34 hedge funds and large institutions have $69.4M invested in Arrowhead Research in 2013 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 5 increasing their positions, 6 reducing their positions, and 3 closing their positions.

Holders
34
Holders Change
+16
Holders Change %
+88.89%
% of All Funds
1.1%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
19
Increased
5
Reduced
6
Closed
3
Calls
$383K
Puts
–
Net Calls
+$383K
Net Calls Change
+$383K

Top Buyers

1
BBA
1
Baker Bros. Advisors
New York
$17.9M
2
PC
2
PointState Capital
New York
$3.2M
3
SC
3
Sophrosyne Capital
New York
$1.68M
4
Millennium Management
4
Millennium Management
New York
$921K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$2.58M

Top Sellers

1
RCM
1
RA Capital Management
Massachusetts
$5.01M
2
SM
2
Sabby Management
Florida
$0
3
CCM
3
Camber Capital Management
Massachusetts
$14.2M
4
Nomura Holdings
4
Nomura Holdings
Japan
$155K
5
Jane Street
5
Jane Street
New York
$84K
Name Market Value Shares Shares
Change 		Shares
Change %
BBA
1
Baker Bros. Advisors
New York
$17.9M 3,140,000 +3,140,000 New
AWMDMG
2
Austin W. Marxe & David M. Greenhouse
New York
$17.7M 3,114,754 – –
CCM
3
Camber Capital Management
Massachusetts
$14.2M 2,499,999 -614,755 -20%
RCM
4
RA Capital Management
Massachusetts
$5.01M 879,561 -2,235,194 -72%
PC
5
PointState Capital
New York
$3.2M 562,500 +562,500 New
Vanguard Group
6
Vanguard Group
Pennsylvania
$2.58M 452,802 +151,500 +50%
BIT
7
BlackRock Institutional Trust
California
$1.78M 312,207 +115,128 +58%
SC
8
Sophrosyne Capital
New York
$1.68M 294,583 +294,583 New
Millennium Management
9
Millennium Management
New York
$921K 161,889 +161,889 New
WMSA
10
Weiss Multi-Strategy Advisers
New York
$740K 130,000 +130,000 New
Goldman Sachs
11
Goldman Sachs
New York
$658K 115,572 +115,572 New
Invesco
12
Invesco
Georgia
$587K 103,178 +103,178 New
BFA
13
BlackRock Fund Advisors
California
$486K 85,343 +18,202 +27%
SIM
14
SSI Investment Management
California
$405K 71,210 +71,210 New
SIM
15
Spark Investment Management
New York
$303K 53,500 +53,500 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$269K 47,304 +27,246 +136%
SKK
17
Shepherd Kaplan Krochuk
Massachusetts
$189K 33,179 +33,179 New
Nomura Holdings
18
Nomura Holdings
Japan
$155K 27,100 -32,260 -54%
Northern Trust
19
Northern Trust
Illinois
$119K 21,055 +21,055 New
California Public Employees Retirement System
20
California Public Employees Retirement System
California
$93K 16,347 – –
Jane Street
21
Jane Street
New York
$84K 14,746 -3,213 -18%
PNC Financial Services Group
22
PNC Financial Services Group
Pennsylvania
$77K 13,451 +13,451 New
Morgan Stanley
23
Morgan Stanley
New York
$75K 13,223 +13,223 New
U
24
UBS
Switzerland
$68K 11,979 +10,997 +1,120%
GC
25
Guggenheim Capital
Illinois
$61K 10,653 +10,653 New
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