122 hedge funds and large institutions have $632M invested in Rambus in 2013 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 42 increasing their positions, 36 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
122
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
$14.4M
Puts
$10.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$807K
52
$758K
53
$730K
54
$710K
55
$700K
56
$698K
57
$683K
58
$623K
59
$560K
60
$554K
61
$548K
62
$520K
63
$483K
64
$450K
65
$447K
66
$444K
67
$428K
68
$414K
69
$411K
70
$399K
71
$342K
72
$289K
73
$288K
74
$288K
75
$219K