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, 157 increasing their positions, 128 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
407
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$31M
Puts
$22M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ASRS
151
Arizona State Retirement System
Arizona
$1.58M
LSERS
152
Louisiana State Employees Retirement System
Louisiana
$1.55M
Zurich Cantonal Bank
153
Zurich Cantonal Bank
Switzerland
$1.51M
CI
154
Cambiar Investors
Colorado
$1.49M
SDIC
155
South Dakota Investment Council
South Dakota
$1.48M
Universal-Beteiligungs- und Servicegesellschaft
156
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.48M
Man Group
157
Man Group
United Kingdom
$1.46M
Squarepoint
158
Squarepoint
New York
$1.45M
Cetera Investment Advisers
159
Cetera Investment Advisers
Illinois
$1.42M
SO
160
STRS Ohio
Ohio
$1.41M
LTAS
161
Linden Thomas Advisory Services
North Carolina
$1.39M
WBC
162
Westpac Banking Corp
Australia
$1.39M
Mackenzie Financial
163
Mackenzie Financial
Ontario, Canada
$1.35M
SOMRS
164
State of Michigan Retirement System
Michigan
$1.32M
COPPSERS
165
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.32M
Cerity Partners
166
Cerity Partners
New York
$1.32M
Thrivent Financial for Lutherans
167
Thrivent Financial for Lutherans
Minnesota
$1.29M
Pathstone Holdings
168
Pathstone Holdings
New Jersey
$1.26M
Ohio Public Employees Retirement System (OPERS)
169
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.25M
CWM
170
CIBC World Markets
New York
$1.23M
NMIMC
171
Northwestern Mutual Investment Management Company
Wisconsin
$1.23M
TI
172
Tidal Investments
Wisconsin
$1.21M
PFSRSONJ
173
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.2M
Renaissance Technologies
174
Renaissance Technologies
New York
$1.19M
EF
175
Empowered Funds
Pennsylvania
$1.18M