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Rambus
RMBS

Overview Fund Activity

122 hedge funds and large institutions have $611M invested in Rambus in 2013 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 40 increasing their positions, 34 reducing their positions, and 13 closing their positions.

Holders
122
Holders Change
+5
Holders Change %
+4.27%
% of All Funds
3.96%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
21
Increased
40
Reduced
34
Closed
13
Calls
$14.2M
Puts
$10.8M
Net Calls
+$3.41M
Net Calls Change
+$29K

Top Buyers

1
Luther King Capital Management (LKCM)
1
Luther King Capital Management (LKCM)
Texas
$22.7M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$138M
3
WRF
3
Waddell & Reed Financial
Kansas
$47.9M
4
CM
4
Castleark Management
Illinois
$8.67M
5
RCMC
5
RK Capital Management (Colorado)
Colorado
$5.13M

Top Sellers

1
BIM
1
Bogle Investment Management
Massachusetts
$0
2
Millennium Management
2
Millennium Management
New York
$1.41M
3
TC
3
TFS Capital
Pennsylvania
$251K
4
Primecap Management
4
Primecap Management
California
$81.2M
5
EI
5
EAM Investors
California
$1.12M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$138M 14,686,200 +1,228,600 +9%
Primecap Management
2
Primecap Management
California
$81.2M 8,633,522 -151,800 -2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$59.9M 6,376,707 +292,593 +5%
WRF
4
Waddell & Reed Financial
Kansas
$47.9M 5,094,501 +953,200 +23%
BIT
5
BlackRock Institutional Trust
California
$29.2M 3,107,270 +4,094 +0.1%
BFA
6
BlackRock Fund Advisors
California
$27.2M 2,897,375 +347,367 +14%
Luther King Capital Management (LKCM)
7
Luther King Capital Management (LKCM)
Texas
$22.7M 2,414,210 +1,766,430 +273%
State Street
8
State Street
Massachusetts
$20.4M 2,171,655 +44,061 +2%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$18.9M 2,006,263 +43,772 +2%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$17.6M 1,868,331 +427,617 +30%
Northern Trust
11
Northern Trust
Illinois
$14.6M 1,554,138 +31,622 +2%
Norges Bank
12
Norges Bank
Norway
$10M 1,068,232 – –
TA
13
Teachers Advisors
New York
$10M 1,063,875 -4,427 -0.4%
CM
14
Castleark Management
Illinois
$8.67M 694,887 +694,887 New
Bank of New York Mellon
15
Bank of New York Mellon
New York
$7.1M 755,468 +26,928 +4%
Goldman Sachs
16
Goldman Sachs
New York
$6.68M 710,072 +183,421 +35%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$6.23M 663,116 +173,597 +35%
Renaissance Technologies
18
Renaissance Technologies
New York
$6.07M 645,600 -42,500 -6%
Ameriprise
19
Ameriprise
Minnesota
$5.44M 578,503 +462,973 +401%
RCMC
20
RK Capital Management (Colorado)
Colorado
$5.13M 546,200 +546,200 New
TCIM
21
TIAA CREF Investment Management
New York
$4.21M 447,746 -8,250 -2%
FC
22
FIC Capital
New York
$3.1M 330,000 – –
SCM
23
SG Capital Management
Illinois
$2.97M 316,385 +316,385 New
BIM
24
BlackRock Investment Management
Delaware
$2.95M 313,998 +17,601 +6%
Susquehanna International Group
25
Susquehanna International Group
Pennsylvania
$2.95M 313,934 +21,737 +7%
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