144 hedge funds and large institutions have $1.03B invested in Rambus in 2015 Q3 according to their latest regulatory filings, with 32 funds opening new positions, 45 increasing their positions, 40 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
144
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$10.5M
Puts
$8.39M
Net Calls
Net Calls Change

Top Buyers

1 +$26.6M
2 +$18.1M
3 +$15.7M
4
Primecap Management
Primecap Management
California
+$11.7M
5
Goldman Sachs
Goldman Sachs
New York
+$8.76M

Top Sellers

1 -$31.1M
2 -$24M
3 -$21.4M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$15.3M
5
Ameriprise
Ameriprise
Minnesota
-$5.07M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$167K
102
$165K
103
$163K
104
$143K
105
$139K
106
$136K
107
$136K
108
$130K
109
$126K
110
$116K
111
$100K
112
$97K
113
$96K
114
$87K
115
$84K
116
$82K
117
$70K
118
$70K
119
$68K
120
$67K
121
$56K
122
$39K
123
$31K
124
$28.9K
125
$18K