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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 %
AIP
151
Ameritas Investment Partners
Nebraska
$2.04M 31,883 – –
Cetera Investment Advisers
152
Cetera Investment Advisers
Illinois
$2.03M 31,667 +4,160 +15%
ASRS
153
Arizona State Retirement System
Arizona
$2.01M 31,340 +825 +3%
State Board of Administration of Florida Retirement System
154
State Board of Administration of Florida Retirement System
Florida
$1.99M 31,123 – –
DT
155
Diversified Trust
Tennessee
$1.98M 30,942 +350 +1%
Skandinaviska Enskilda Banken (SEB)
156
Skandinaviska Enskilda Banken (SEB)
Sweden
$1.94M 30,357 +28,500 +1,535%
LSERS
157
Louisiana State Employees Retirement System
Louisiana
$1.93M 30,200 +300 +1%
Zurich Cantonal Bank
158
Zurich Cantonal Bank
Switzerland
$1.93M 30,098 +969 +3%
Handelsbanken Fonder
159
Handelsbanken Fonder
Sweden
$1.9M 29,697 -2,500 -8%
Cerity Partners
160
Cerity Partners
New York
$1.87M 29,170 +3,727 +15%
CI
161
Cambiar Investors
Colorado
$1.85M 28,824 -10 -0%
NRD
162
Nebula Research & Development
New York
$1.84M 28,720 +13,677 +91%
SDIC
163
South Dakota Investment Council
South Dakota
$1.83M 28,613 – –
WB
164
WesBanco Bank
West Virginia
$1.79M 27,984 +17,000 +155%
SO
165
STRS Ohio
Ohio
$1.77M 27,600 +300 +1%
COPPSERS
166
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.77M 27,597 +2,121 +8%
LTAS
167
Linden Thomas Advisory Services
North Carolina
$1.7M 26,558 -288 -1%
SOMRS
168
State of Michigan Retirement System
Michigan
$1.65M 25,800 +300 +1%
Capital Fund Management (CFM)
169
Capital Fund Management (CFM)
France
$1.65M 25,716 -55,595 -68%
Thrivent Financial for Lutherans
170
Thrivent Financial for Lutherans
Minnesota
$1.62M 25,291 +303 +1%
Axa
171
Axa
France
$1.62M 25,227 +25,227 New
Natixis Advisors
172
Natixis Advisors
Massachusetts
$1.56M 24,397 -98,082 -80%
PFSRSONJ
173
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.56M 24,357 +1,250 +5%
BHCM
174
Brevan Howard Capital Management
Jersey
$1.54M 24,086 +12,050 +100%
NMIMC
175
Northwestern Mutual Investment Management Company
Wisconsin
$1.54M 23,982 +286 +1%
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