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Rambus
RMBS

Overview Fund Activity

449 hedge funds and large institutions have $6.2B invested in Rambus in 2025 Q2 according to their latest regulatory filings, with 86 funds opening new positions, 187 increasing their positions, 128 reducing their positions, and 38 closing their positions.

Holders
449
Holders Change
+42
Holders Change %
+10.32%
% of All Funds
6.03%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
86
Increased
187
Reduced
128
Closed
38
Calls
$24.3M
Puts
$50.4M
Net Calls
-$26.1M
Net Calls Change
-$35.1M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$126M
2
EIG
2
EdgePoint Investment Group
Ontario, Canada
$178M
3
BlackRock
3
BlackRock
New York
$960M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$56.4M
5
WHG
5
Westwood Holdings Group
Texas
$111M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$300M
2
Invesco
2
Invesco
Georgia
$149M
3
American Century Companies
3
American Century Companies
Missouri
$2.11M
4
SG Americas Securities
4
SG Americas Securities
New York
$550K
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$204M
Name Market Value Shares Shares
Change 		Shares
Change %
Baird Financial Group
126
Baird Financial Group
Wisconsin
$3.51M 54,805 +54,805 New
TRSOTSOK
127
Teachers Retirement System of the State of Kentucky
Kentucky
$3.43M 53,602 – –
D.E. Shaw & Co
128
D.E. Shaw & Co
New York
$3.36M 52,532 -4,226 -7%
AB
129
Amalgamated Bank
New York
$3.02M 47,213 +293 +0.6%
BMSSC
130
B. Metzler seel. Sohn & Co
Germany
$2.98M 46,479 – –
State of Tennessee, Department of Treasury
131
State of Tennessee, Department of Treasury
Tennessee
$2.96M 46,266 +2,188 +5%
Ohio Public Employees Retirement System (OPERS)
132
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.85M 44,551 +20,424 +85%
DFCM
133
Dark Forest Capital Management
Puerto Rico
$2.78M 43,444 +38,947 +866%
JG
134
Jain Global
New York
$2.76M 43,120 +43,120 New
CAPTRUST Financial Advisors
135
CAPTRUST Financial Advisors
North Carolina
$2.73M 42,678 +59 +0.1%
AFM
136
Aspetuck Financial Management
Connecticut
$2.71M 42,275 – –
MPM
137
Meritage Portfolio Management
Kansas
$2.68M 41,824 +680 +2%
CNAM
138
Campbell Newman Asset Management
Wisconsin
$2.67M 41,663 +2,784 +7%
PEAK6
139
PEAK6
Illinois
$2.62M 40,887 +2,626 +7%
ProShare Advisors
140
ProShare Advisors
Maryland
$2.54M 39,700 -618 -2%
Victory Capital Management
141
Victory Capital Management
Texas
$2.42M 37,829 -16,353 -30%
MF
142
Magnetar Financial
Illinois
$2.33M 36,439 +36,439 New
Teacher Retirement System of Texas
143
Teacher Retirement System of Texas
Texas
$2.33M 36,401 -1,393 -4%
YCM
144
Yousif Capital Management
Michigan
$2.3M 35,995 -406 -1%
State of New Jersey Common Pension Fund D
145
State of New Jersey Common Pension Fund D
New Jersey
$2.21M 34,546 +559 +2%
Universal-Beteiligungs- und Servicegesellschaft
146
Universal-Beteiligungs- und Servicegesellschaft
Germany
$2.14M 33,389 +4,790 +17%
ITFISA
147
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$2.12M 33,150 -10,500 -24%
American Century Companies
148
American Century Companies
Missouri
$2.11M 32,953 -1,391,412 -98%
Mackenzie Financial
149
Mackenzie Financial
Ontario, Canada
$2.09M 32,597 +6,434 +25%
Ensign Peak Advisors
150
Ensign Peak Advisors
Utah
$2.08M 32,526 -4,950 -13%
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