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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 %
California Public Employees Retirement System
76
California Public Employees Retirement System
California
$8.93M 172,384 -1,352 -0.8%
AG
77
Algert Global
California
$8.87M 171,296 -121,296 -41%
CF
78
Corebridge Financial
Texas
$8.77M 169,347 -3,630 -2%
DekaBank Deutsche Girozentrale
79
DekaBank Deutsche Girozentrale
Germany
$8.19M 154,173 – –
MOACM
80
Mutual of America Capital Management
New York
$7.5M 144,922 -1,218 -0.8%
Canada Pension Plan Investment Board
81
Canada Pension Plan Investment Board
Ontario, Canada
$7.28M 140,700 -95,000 -40%
Russell Investments Group
82
Russell Investments Group
United Kingdom
$7.26M 140,157 +60,984 +77%
Susquehanna International Group
83
Susquehanna International Group
Pennsylvania
$6.81M 131,497 +85,824 +188%
Retirement Systems of Alabama
84
Retirement Systems of Alabama
Alabama
$6.72M 129,715 +128 +0.1%
First Trust Advisors
85
First Trust Advisors
Illinois
$6.66M 128,729 +42,120 +49%
GIM
86
Granahan Investment Management
Massachusetts
$6.66M 128,682 +46,062 +56%
VanEck Associates
87
VanEck Associates
New York
$6.64M 128,303 +22,139 +21%
Manulife (Manufacturers Life Insurance)
88
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.53M 126,053 -2,098 -2%
UBS Group
89
UBS Group
Switzerland
$6.35M 122,676 -318 -0.3%
Natixis Advisors
90
Natixis Advisors
Massachusetts
$6.34M 122,479 -36,204 -23%
CM
91
Castleark Management
Illinois
$6.11M 118,100 -21,790 -16%
AssetMark Inc
92
AssetMark Inc
California
$5.93M 114,456 +9,510 +9%
Citigroup
93
Citigroup
New York
$5.8M 111,954 -5,246 -4%
Wells Fargo
94
Wells Fargo
California
$5.66M 109,342 +11,409 +12%
Polen Capital Management
95
Polen Capital Management
Florida
$5.65M 109,117 +9,858 +10%
Lazard Asset Management
96
Lazard Asset Management
New York
$5.62M 108,577 +39,408 +57%
State of Wisconsin Investment Board
97
State of Wisconsin Investment Board
Wisconsin
$5.33M 102,871 +4,401 +4%
Comerica Bank
98
Comerica Bank
Texas
$5.23M 101,012 -19,645 -16%
FAM
99
Fred Alger Management
New York
$5.17M 99,820 +37,312 +60%
California State Teachers Retirement System (CalSTRS)
100
California State Teachers Retirement System (CalSTRS)
California
$5.15M 99,515 -1,128 -1%
2 3
4
5 6