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
1
$170M
2
$116M
3
$64.7M
4
$54.6M
5
$49.5M
6
$37.6M
7
$30.6M
8
$28.7M
9
$24M
10
$20.2M
11
$17.1M
12
$16.8M
13
$16.6M
14
$14.9M
15
$14.4M
16
$13M
17
$13M
18
$11.6M
19
$9.71M
20
$9.16M
21
$7.61M
22
$7.31M
23
$7.13M
24
$7.12M
25
$6.53M