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Rambus
RMBS

Overview Fund Activity

142 hedge funds and large institutions have $868M invested in Rambus in 2014 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 42 increasing their positions, 48 reducing their positions, and 16 closing their positions.

Holders
142
Holders Change
+7
Holders Change %
+5.19%
% of All Funds
3.79%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
42
Reduced
48
Closed
16
Calls
$13.6M
Puts
$11.3M
Net Calls
+$2.38M
Net Calls Change
-$3.38M

Top Buyers

1
WRF
1
Waddell & Reed Financial
Kansas
$130M
2
BFA
2
BlackRock Fund Advisors
California
$32.6M
3
PCM
3
Penn Capital Management
Pennsylvania
$22.4M
4
Norges Bank
4
Norges Bank
Norway
$18.4M
5
RFC
5
Russell Frank Company
Washington
$7.47M

Top Sellers

1
LSCM
1
Light Street Capital Management
California
$0
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$32.2M
3
CM
3
Castleark Management
Illinois
$0
4
Goldman Sachs
4
Goldman Sachs
New York
$1.16M
5
FA
5
Friess Associates
Delaware
$0
Name Market Value Shares Shares
Change 		Shares
Change %
AMM
101
American Money Management
California
$166K 15,000 – –
GT
102
Glenmede Trust
Pennsylvania
$163K 14,700 – –
DTL
103
Dynamic Technology Lab
Singapore
$158K 14,252 +14,252 New
AL
104
Airain Ltd
Guernsey
$157K 14,196 +14,196 New
Jane Street
105
Jane Street
New York
$135K 12,213 -1,352 -10%
Prudential Financial
106
Prudential Financial
New Jersey
$128K 11,511 -100 -0.9%
SG Americas Securities
107
SG Americas Securities
New York
$127K 11,485 +11,485 New
AB
108
Amalgamated Bank
New York
$123K 11,109 +15 +0.1%
M&T Bank
109
M&T Bank
New York
$121K 10,850 -3,080 -22%
SCA
110
Secor Capital Advisors
New York
$111K 10,008 +10,008 New
CCMH
111
Cornerstone Capital Management Holdings
New York
$94K 8,500 -14,900 -64%
Canada Life
112
Canada Life
Manitoba, Canada
$94K 8,478 – –
DADC
113
D.A. Davidson & Co
Montana
$55K 5,000 -1,000 -17%
Bank of Montreal
114
Bank of Montreal
Ontario, Canada
$53K 4,750 – –
BlackRock
115
BlackRock
New York
$37K 3,403 – –
Teacher Retirement System of Texas
116
Teacher Retirement System of Texas
Texas
$36K 3,291 -557 -14%
TRCT
117
Tower Research Capital (TRC)
New York
$36K 3,225 +1,485 +85%
Simplex Trading
118
Simplex Trading
Illinois
$35K 3,174 +3,174 New
PAM
119
Panagora Asset Management
Massachusetts
$28K 2,500 -65,411 -96%
Parallax Volatility Advisers
120
Parallax Volatility Advisers
California
$28K 2,480 +2,480 New
Group One Trading
121
Group One Trading
Illinois
$22K 1,996 +1,996 New
MPWT
122
MassMutual Private Wealth & Trust
Connecticut
$21.5K 1,936 -376 -16%
VIA
123
Vantage Investment Advisors
Pennsylvania
$17K 1,500 – –
HR
124
Howe & Rusling
New York
$17K 1,565 – –
HFM
125
Hartford Financial Management
Connecticut
$15K 1,405 +80 +6%
3 4
5
6 7