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
51
$1.28M
52
$1.27M
53
$1.26M
54
$1.1M
55
$1.09M
56
$1.07M
57
$1.05M
58
$1.04M
59
$1M
60
$913K
61
$894K
62
$883K
63
$872K
64
$834K
65
$779K
66
$762K
67
$750K
68
$733K
69
$722K
70
$675K
71
$636K
72
$635K
73
$631K
74
$621K
75
$609K