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.

New
Increased
Maintained
Reduced
Closed
Holders
142
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.6M
Puts
$11.3M
Net Calls
Net Calls Change

Top Buyers

1 +$9.62M
2 +$4.74M
3 +$4.19M
4
Norges Bank
Norges Bank
Norway
+$3.03M
5
RFC
Russell Frank Company
Washington
+$2.94M

Top Sellers

1 -$14M
2 -$7.23M
3 -$3.69M
4
Goldman Sachs
Goldman Sachs
New York
-$2.97M
5
FA
Friess Associates
Delaware
-$2.82M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$343K
77
$340K
78
$335K
79
$324K
80
$310K
81
$305K
82
$278K
83
$272K
84
$271K
85
$263K
86
$253K
87
$250K
88
$242K
89
$237K
90
$222K
91
$222K
92
$220K
93
$210K
94
$206K
95
$204K
96
$191K
97
$179K
98
$174K
99
$173K
100
$173K