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Rambus
RMBS

Overview Fund Activity

407 hedge funds and large institutions have $5.04B invested in Rambus in 2025 Q1 according to their latest regulatory filings, with 78 funds opening new positions, 156 increasing their positions, 129 reducing their positions, and 55 closing their positions.

Holders
407
Holders Change
+17
Holders Change %
+4.36%
% of All Funds
5.53%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
78
Increased
156
Reduced
129
Closed
55
Calls
$31M
Puts
$22M
Net Calls
+$9.02M
Net Calls Change
+$11.5M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$453M
2
EIG
2
EdgePoint Investment Group
Ontario, Canada
$60.5M
3
NL
3
Nuveen LLC
North Carolina
$57.1M
4
HRCM
4
Hood River Capital Management
Florida
$48.9M
5
PWAM
5
Park West Asset Management
California
$30.5M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$9.26M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$189M
4
Invesco
4
Invesco
Georgia
$235M
5
CM
5
Crestline Management
Texas
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ASRS
151
Arizona State Retirement System
Arizona
$1.58M 30,515 -722 -2%
LSERS
152
Louisiana State Employees Retirement System
Louisiana
$1.55M 29,900 +300 +1%
Zurich Cantonal Bank
153
Zurich Cantonal Bank
Switzerland
$1.51M 29,129 – –
CI
154
Cambiar Investors
Colorado
$1.49M 28,834 -5,692 -16%
SDIC
155
South Dakota Investment Council
South Dakota
$1.48M 28,613 +1,000 +4%
Universal-Beteiligungs- und Servicegesellschaft
156
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.48M 28,599 +28,599 New
Man Group
157
Man Group
United Kingdom
$1.46M 28,148 -2,559 -8%
Squarepoint
158
Squarepoint
New York
$1.45M 28,000 +28,000 New
Cetera Investment Advisers
159
Cetera Investment Advisers
Illinois
$1.42M 27,507 +3,021 +12%
SO
160
STRS Ohio
Ohio
$1.41M 27,300 – –
LTAS
161
Linden Thomas Advisory Services
North Carolina
$1.39M 26,846 +448 +2%
WBC
162
Westpac Banking Corp
Australia
$1.39M 26,843 +26,843 New
Mackenzie Financial
163
Mackenzie Financial
Ontario, Canada
$1.35M 26,163 +19,082 +269%
SOMRS
164
State of Michigan Retirement System
Michigan
$1.32M 25,500 +300 +1%
COPPSERS
165
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.32M 25,476 +1,939 +8%
Cerity Partners
166
Cerity Partners
New York
$1.32M 25,443 +10,367 +69%
Thrivent Financial for Lutherans
167
Thrivent Financial for Lutherans
Minnesota
$1.29M 24,988 -88 -0.4%
Pathstone Holdings
168
Pathstone Holdings
New Jersey
$1.26M 24,370 +8,682 +55%
Ohio Public Employees Retirement System (OPERS)
169
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.25M 24,127 -7,659 -24%
CWM
170
CIBC World Markets
New York
$1.23M 23,710 +13,711 +137%
NMIMC
171
Northwestern Mutual Investment Management Company
Wisconsin
$1.23M 23,696 +10 +0%
TI
172
Tidal Investments
Wisconsin
$1.21M 23,435 +6,723 +40%
PFSRSONJ
173
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.2M 23,107 +444 +2%
Renaissance Technologies
174
Renaissance Technologies
New York
$1.19M 22,900 +19,100 +503%
EF
175
Empowered Funds
Pennsylvania
$1.18M 22,750 +5,783 +34%
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