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Rambus
RMBS

Overview Fund Activity

121 hedge funds and large institutions have $764M invested in Rambus in 2014 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 37 increasing their positions, 35 reducing their positions, and 21 closing their positions.

Holders
121
Holders Change
-1
Holders Change %
-0.82%
% of All Funds
3.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
37
Reduced
35
Closed
21
Calls
$12.8M
Puts
$9.77M
Net Calls
+$3.05M
Net Calls Change
-$1.05M

Top Buyers

1
SCA
1
SAC Capital Advisors
Connecticut
$35.5M
2
WRF
2
Waddell & Reed Financial
Kansas
$111M
3
LSCM
3
Light Street Capital Management
California
$5.95M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$3.77M
5
CM
5
Castleark Management
Illinois
$3.69M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$3.28M
2
BIM
2
Bogle Investment Management
Massachusetts
$0
3
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$0
4
Ameriprise
4
Ameriprise
Minnesota
$891K
5
HCM
5
Highbridge Capital Management
New York
$350K
Name Market Value Shares Shares
Change 		Shares
Change %
Jane Street
126
Jane Street
New York
– – -65,810 Closed
GAM
127
Gotham Asset Management
New York
– – -54,945 Closed
SCM
128
Stevens Capital Management
Pennsylvania
– – -45,162 Closed
VKH
129
Virtu KCG Holdings
New York
– – -42,175 Closed
D.E. Shaw & Co
130
D.E. Shaw & Co
New York
– – -30,381 Closed
EMG
131
Ellington Management Group
Connecticut
– – -20,600 Closed
ACI
132
AMP Capital Investors
Australia
– – -17,370 Closed
BCA
133
Benchmark Capital Advisors
New York
– – -12,500 Closed
PL
134
Plancorp LLC
Missouri
– – -10,000 Closed
QT
135
Quantbot Technologies
New York
– – -7,000 Closed
Group One Trading
136
Group One Trading
Illinois
– – -5,818 Closed
NSEDCP
137
NJ State Employees Deferred Compensation Plan
New Jersey
– – -4,000 Closed
BNP Paribas Financial Markets
138
BNP Paribas Financial Markets
France
– – -1,380 Closed
BBHC
139
Brown Brothers Harriman & Co
New York
– – -374 Closed
MAA
140
Managed Account Advisors
New Jersey
– – -329 Closed
MFS
141
MSI Financial Services
Massachusetts
– – -175 Closed
JIC
142
Joel Isaacson & Co
New York
$0 30 – –
ID
143
Integral Derivatives
New York
– – – –
WAM
144
Wolverine Asset Management
Illinois
– – – –
TH
145
Timber Hill
Connecticut
– – – –
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