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Rambus
RMBS

Overview Fund Activity

121 hedge funds and large institutions have $764M invested in Rambus in 2014 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 37 increasing their positions, 35 reducing their positions, and 21 closing their positions.

Holders
121
Holders Change
-1
Holders Change %
-0.82%
% of All Funds
3.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
37
Reduced
35
Closed
21
Calls
$12.8M
Puts
$9.77M
Net Calls
+$3.05M
Net Calls Change
-$1.05M

Top Buyers

1
SCA
1
SAC Capital Advisors
Connecticut
$35.5M
2
WRF
2
Waddell & Reed Financial
Kansas
$111M
3
LSCM
3
Light Street Capital Management
California
$5.95M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$3.77M
5
CM
5
Castleark Management
Illinois
$3.69M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$3.28M
2
BIM
2
Bogle Investment Management
Massachusetts
$0
3
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$0
4
Ameriprise
4
Ameriprise
Minnesota
$891K
5
HCM
5
Highbridge Capital Management
New York
$350K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$121M 11,273,600 -59,200 -0.5%
WRF
2
Waddell & Reed Financial
Kansas
$111M 10,350,706 +1,924,674 +23%
Primecap Management
3
Primecap Management
California
$92.3M 8,585,583 -36,739 -0.4%
Vanguard Group
4
Vanguard Group
Pennsylvania
$76.3M 7,098,434 +242,501 +4%
SCA
5
SAC Capital Advisors
Connecticut
$35.5M 3,304,088 +3,260,734 +7,521%
BIT
6
BlackRock Institutional Trust
California
$33.5M 3,112,938 +87,656 +3%
BFA
7
BlackRock Fund Advisors
California
$30.3M 2,814,478 +48,962 +2%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$27.1M 2,519,303 +25,097 +1%
State Street
9
State Street
Massachusetts
$24.9M 2,320,648 +148,866 +7%
Luther King Capital Management (LKCM)
10
Luther King Capital Management (LKCM)
Texas
$24.7M 2,297,995 -65,975 -3%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$22M 2,047,560 -10,879 -0.5%
Northern Trust
12
Northern Trust
Illinois
$15.4M 1,436,432 -147,809 -9%
TA
13
Teachers Advisors
New York
$15.4M 1,434,545 +309,590 +28%
Norges Bank
14
Norges Bank
Norway
$11.2M 1,038,232 – –
Geode Capital Management
15
Geode Capital Management
Massachusetts
$8.78M 816,772 -66,440 -8%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$8.52M 792,688 +60,647 +8%
LSCM
17
Light Street Capital Management
California
$5.95M 553,588 +553,588 New
Deutsche Bank
18
Deutsche Bank
Germany
$5.74M 534,110 +30,033 +6%
Renaissance Technologies
19
Renaissance Technologies
New York
$5.39M 501,500 +53,500 +12%
Goldman Sachs
20
Goldman Sachs
New York
$5.29M 492,365 -23,851 -5%
TCIM
21
TIAA CREF Investment Management
New York
$4.71M 438,046 -3,800 -0.9%
Two Sigma Investments
22
Two Sigma Investments
New York
$3.81M 353,977 -103,552 -23%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$3.77M 351,036 +351,036 New
CM
24
Castleark Management
Illinois
$3.69M 343,377 +343,377 New
CS
25
Credit Suisse
Switzerland
$3.68M 342,018 -18,449 -5%
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