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
26
$6.36M
27
$5.86M
28
$5.59M
29
$5.37M
30
$4.54M
31
$4.46M
32
$4.27M
33
$4.21M
34
$3.7M
35
$3.23M
36
$3.23M
37
$2.85M
38
$2.5M
39
$2.48M
40
$2.48M
41
$2.44M
42
$2.12M
43
$2.03M
44
$2M
45
$1.96M
46
$1.93M
47
$1.85M
48
$1.81M
49
$1.63M
50
$1.55M