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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 %
NMERB
176
New Mexico Educational Retirement Board
New Mexico
$1.14M 22,100 – –
HSBC Holdings
177
HSBC Holdings
United Kingdom
$1.14M 22,192 +2,868 +15%
OPERF
178
Oregon Public Employees Retirement Fund
Oregon
$1.12M 21,600 -100 -0.5%
PAS
179
Park Avenue Securities
New York
$1.11M 21,340 +21,340 New
KK
180
KLP Kapitalforvaltning
Norway
$1.1M 21,300 -1,000 -4%
VPIM
181
Vanguard Personalized Indexing Management
California
$1.07M 20,689 +1,654 +9%
GLA
182
Great Lakes Advisors
Illinois
$1.06M 20,561 -15,394 -43%
TAM
183
Tealwood Asset Management
Minnesota
$1.05M 20,310 +20,310 New
EGM
184
Engineers Gate Manager
New York
$1.04M 20,148 -18,046 -47%
Los Angeles Capital Management
185
Los Angeles Capital Management
California
$1.02M 19,637 +38 +0.2%
Pictet Asset Management
186
Pictet Asset Management
Switzerland
$948K 18,200 -183 -1%
Citadel Advisors
187
Citadel Advisors
Florida
$946K 18,272 -94,223 -84%
GC
188
Guggenheim Capital
Illinois
$916K 17,685 -2,052 -10%
I
189
InceptionR
California
$893K 17,252 -11,110 -39%
GC
190
Gould Capital
Washington
$884K 17,080 +17,080 New
TI
191
Trexquant Investment
Connecticut
$870K 16,810 -75,897 -82%
HWAM
192
Hennion & Walsh Asset Management
New Jersey
$869K 16,793 +3,884 +30%
Kovitz Investment Group Partners
193
Kovitz Investment Group Partners
Illinois
$858K 16,573 +16,573 New
Mariner
194
Mariner
Kansas
$852K 16,463 +3,990 +32%
Twin Tree Management
195
Twin Tree Management
Texas
$837K 16,172 +16,172 New
Bank of Montreal
196
Bank of Montreal
Ontario, Canada
$813K 15,693 +213 +1%
X
197
Xponance
Pennsylvania
$803K 15,503 +280 +2%
VRS
198
Virginia Retirement Systems
Virginia
$800K 15,460 +15,460 New
EIP
199
Epoch Investment Partners
New York
$797K 15,386 +6,698 +77%
PNC Financial Services Group
200
PNC Financial Services Group
Pennsylvania
$785K 15,169 -1,115 -7%
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