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Rambus
RMBS

Overview Fund Activity

122 hedge funds and large institutions have $632M invested in Rambus in 2013 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 42 increasing their positions, 36 reducing their positions, and 23 closing their positions.

Holders
122
Holders Change
–
Holders Change %
0%
% of All Funds
3.54%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
42
Reduced
36
Closed
23
Calls
$14.4M
Puts
$10.3M
Net Calls
+$4.1M
Net Calls Change
+$693K

Top Buyers

1
WRF
1
Waddell & Reed Financial
Kansas
$79.8M
2
Millennium Management
2
Millennium Management
New York
$8.89M
3
BIM
3
Bogle Investment Management
Massachusetts
$6.78M
4
Fuller & Thaler Asset Management
4
Fuller & Thaler Asset Management
California
$4.71M
5
Neuberger Berman Group
5
Neuberger Berman Group
New York
$23.6M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$107M
2
CM
2
Castleark Management
Illinois
$0
3
RCMC
3
RK Capital Management (Colorado)
Colorado
$0
4
SCM
4
SG Capital Management
Illinois
$0
5
Renaissance Technologies
5
Renaissance Technologies
New York
$4.24M
Name Market Value Shares Shares
Change 		Shares
Change %
EI
126
EAM Investors
California
– – -118,810 Closed
Los Angeles Capital Management
127
Los Angeles Capital Management
California
– – -115,897 Closed
JPMorgan Chase & Co
128
JPMorgan Chase & Co
New York
– – -77,351 Closed
ProShare Advisors
129
ProShare Advisors
Maryland
– – -70,524 Closed
Nomura Asset Management
130
Nomura Asset Management
Japan
– – -50,000 Closed
GCP
131
GSA Capital Partners
United Kingdom
– – -37,395 Closed
SIM
132
Spark Investment Management
New York
– – -34,000 Closed
TC
133
TFS Capital
Pennsylvania
– – -26,690 Closed
SG Americas Securities
134
SG Americas Securities
New York
– – -21,109 Closed
TCOV
135
Trust Company of Vermont
Vermont
– – -18,700 Closed
RCM
136
Reynolds Capital Management
Nevada
– – -14,900 Closed
CAM
137
Capstone Asset Management
Texas
– – -12,572 Closed
William Blair & Company
138
William Blair & Company
Illinois
– – -11,325 Closed
NC
139
NewSquare Capital
Pennsylvania
– – -5,500 Closed
CCA
140
Catalyst Capital Advisors
New York
– – -4,500 Closed
CCMH
141
Cornerstone Capital Management Holdings
New York
– – -1,900 Closed
CAM
142
ClariVest Asset Management
California
– – -942 Closed
WA
143
WFG Advisors
Texas
– – -100 Closed
MUS
144
Mitsubishi UFJ Securities
Japan
– – -82 Closed
WAM
145
Wolverine Asset Management
Illinois
– – – –
Parallax Volatility Advisers
146
Parallax Volatility Advisers
California
– – – –
ID
147
Integral Derivatives
New York
– – – –
TH
148
Timber Hill
Connecticut
– – – –
JIC
149
Joel Isaacson & Co
New York
$0 30 +30 New
2 3 4 5
6