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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.

New
Increased
Maintained
Reduced
Closed
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
EI
5
EAM Investors
California
$2.08M
Name Holding Trade Value Shares
Change 		Shares
Change %
WC
26
Wexford Capital
Florida
$5.04M +$5.04M +307,100 New
Susquehanna International Group
27
Susquehanna International Group
Pennsylvania
$3.88M +$3.88M +236,340 New
Jane Street
28
Jane Street
New York
$3.56M +$3.05M +185,613 +596%
Lord, Abbett & Co
29
Lord, Abbett & Co
New Jersey
$3.41M +$3.41M +207,410 New
GTC
30
Ghost Tree Capital
New York
$3.04M -$1.48M -90,000 -33%
Morgan Stanley
31
Morgan Stanley
New York
$2.91M +$734K +44,676 +34%
Geode Capital Management
32
Geode Capital Management
Massachusetts
$2.91M +$2.04M +124,069 +234%
DCM
33
Driehaus Capital Management
Illinois
$2.85M +$28.7K +1,747 +1%
HRCM
34
Hood River Capital Management
Florida
$2.69M +$2.69M +163,930 New
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$2.41M +$2.41M +147,030 New
GC
36
Guggenheim Capital
Illinois
$2.31M +$2.12M +129,335 +1,142%
PAM
37
Panagora Asset Management
Massachusetts
$2.12M +$2.12M +129,041 New
EI
38
EAM Investors
California
$2.08M -$2.64M -160,571 -56%
BFA
39
BlackRock Fund Advisors
California
$2.03M +$563K +34,282 +38%
Massachusetts Financial Services
40
Massachusetts Financial Services
Massachusetts
$2M +$2M +121,630 New
Two Sigma Investments
41
Two Sigma Investments
New York
$1.75M +$1.52M +92,309 +646%
California Public Employees Retirement System
42
California Public Employees Retirement System
California
$1.55M +$1.29M +78,500 +480%
WMSA
43
Weiss Multi-Strategy Advisers
New York
$1.31M -$493K -30,000 -27%
U
44
UBS
Switzerland
$1.26M +$1.2M +72,929 +2,084%
RSCM
45
Rock Springs Capital Management
Maryland
$1.23M +$1.23M +75,000 New
TI
46
Turner Investments
Pennsylvania
$1.23M +$1.23M +74,800 New
Group One Trading
47
Group One Trading
Illinois
$1.2M +$1.08M +65,487 +865%
QIM
48
Quantitative Investment Management
Virginia
$1.17M +$1.17M +71,300 New
New York State Common Retirement Fund
49
New York State Common Retirement Fund
New York
$1.17M +$1.17M +71,186 New
Northern Trust
50
Northern Trust
Illinois
$1.14M +$683K +41,595 +148%
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