172 hedge funds and large institutions have $1.28B invested in Rambus in 2017 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 66 increasing their positions, 46 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
172
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
$17.4M
Puts
$6.92M
Net Calls
Net Calls Change

Top Buyers

1 +$17.5M
2 +$15.5M
3 +$13.4M
4
Deutsche Bank
Deutsche Bank
Germany
+$9.1M
5
Morgan Stanley
Morgan Stanley
New York
+$8.16M

Top Sellers

1 -$35.1M
2 -$8.85M
3 -$5.27M
4
BlackRock
BlackRock
New York
-$4.03M
5
CI
Cambiar Investors
Colorado
-$3.62M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$1.02M
77
$1M
78
$962K
79
$954K
80
$920K
81
$913K
82
$906K
83
$853K
84
$760K
85
$720K
86
$711K
87
$698K
88
$692K
89
$686K
90
$671K
91
$651K
92
$648K
93
$596K
94
$551K
95
$541K
96
$526K
97
$526K
98
$498K
99
$482K
100
$469K