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Rambus
RMBS

Overview Fund Activity

125 hedge funds and large institutions have $1.23B invested in Rambus in 2015 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 44 increasing their positions, 42 reducing their positions, and 18 closing their positions.

Holders
125
Holders Change
-3
Holders Change %
-2.34%
% of All Funds
3.37%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
15
Increased
44
Reduced
42
Closed
18
Calls
$34.7M
Puts
$9.43M
Net Calls
+$25.2M
Net Calls Change
+$9.69M

Top Buyers

1
Lord, Abbett & Co
1
Lord, Abbett & Co
New Jersey
$62.3M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$21.4M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$113M
4
PAM
4
Panagora Asset Management
Massachusetts
$6.66M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$21.1M

Top Sellers

1
IG
1
ING Group
Netherlands
$0
2
PCM
2
Penn Capital Management
Pennsylvania
$28.5M
3
Deutsche Bank
3
Deutsche Bank
Germany
$5.68M
4
SFM
4
Systematic Financial Management
New Jersey
$0
5
BFA
5
BlackRock Fund Advisors
California
$41M
Name Market Value Shares Shares
Change 		Shares
Change %
IG
126
ING Group
Netherlands
– – -385,402 Closed
SFM
127
Systematic Financial Management
New Jersey
– – -220,340 Closed
AP
128
AHL Partners
United Kingdom
– – -161,238 Closed
Arrowstreet Capital
129
Arrowstreet Capital
Massachusetts
– – -61,738 Closed
AL
130
Airain Ltd
Guernsey
– – -43,304 Closed
DC
131
Deere & Company
Illinois
– – -39,639 Closed
GCP
132
GSA Capital Partners
United Kingdom
– – -39,619 Closed
MSE
133
MUFG Securities EMEA
United Kingdom
– – -24,982 Closed
MUSU
134
Mitsubishi UFJ Securities (USA)
New York
– – -24,982 Closed
EMG
135
Ellington Management Group
Connecticut
– – -21,700 Closed
SCA
136
Secor Capital Advisors
New York
– – -18,309 Closed
M&T Bank
137
M&T Bank
New York
– – -10,468 Closed
FMA
138
FNY Managed Accounts
New York
– – -5,300 Closed
WCM
139
Wealthcare Capital Management
Virginia
– – -3,646 Closed
TRCT
140
Tower Research Capital (TRC)
New York
– – -2,546 Closed
MPWT
141
MassMutual Private Wealth & Trust
Connecticut
– – -1,936 Closed
IC
142
Intersect Capital
California
– – -184 Closed
FWM
143
Focused Wealth Management
New York
– – -150 Closed
ID
144
Integral Derivatives
New York
– – – –
JIC
145
Joel Isaacson & Co
New York
$0 30 – –
Simplex Trading
146
Simplex Trading
Illinois
– – – –
TH
147
Timber Hill
Connecticut
– – – –
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