187 hedge funds and large institutions have $665M invested in Rambus in 2018 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 66 increasing their positions, 50 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
187
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
$3.74M
Puts
$1.85M
Net Calls
Net Calls Change

Top Buyers

1 +$11M
2 +$7.27M
3 +$3M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$2.91M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$2.55M

Top Sellers

1 -$15.6M
2 -$7.18M
3 -$6.9M
4
Man Group
Man Group
United Kingdom
-$3.48M
5
Deutsche Bank
Deutsche Bank
Germany
-$3.2M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$258K
102
$251K
103
$250K
104
$247K
105
$238K
106
$237K
107
$232K
108
$229K
109
$224K
110
$223K
111
$220K
112
$207K
113
$205K
114
$200K
115
$199K
116
$198K
117
$198K
118
$187K
119
$183K
120
$181K
121
$161K
122
$160K
123
$142K
124
$141K
125
$137K