176 hedge funds and large institutions have $915M invested in Rambus in 2019 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 73 increasing their positions, 42 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
176
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
$6.04M
Puts
$2.83M
Net Calls
Net Calls Change

Top Buyers

1 +$30.6M
2 +$22.8M
3 +$16.6M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$13.2M
5
Renaissance Technologies
Renaissance Technologies
New York
+$9.96M

Top Sellers

1 -$66.4M
2 -$22.1M
3 -$11.2M
4
LLL
Lynrock Lake LP
New York
-$5.23M
5
CI
Cambiar Investors
Colorado
-$1.51M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$334K
102
$321K
103
$310K
104
$305K
105
$300K
106
$292K
107
$286K
108
$280K
109
$280K
110
$264K
111
$259K
112
$254K
113
$249K
114
$247K
115
$198K
116
$194K
117
$179K
118
$171K
119
$171K
120
$166K
121
$156K
122
$154K
123
$154K
124
$154K
125
$152K