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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 %
California State Teachers Retirement System (CalSTRS)
101
California State Teachers Retirement System (CalSTRS)
California
$6.37M 99,552 +37 +0%
Envestnet Asset Management
102
Envestnet Asset Management
Illinois
$6.37M 99,481 +15,218 +18%
JF
103
Jump Financial
Illinois
$6.35M 99,200 +99,200 New
FAM
104
Fred Alger Management
New York
$6M 93,784 -6,036 -6%
LPL Financial
105
LPL Financial
California
$5.58M 87,183 +7,167 +9%
TIM
106
Thornburg Investment Management
New Mexico
$5.55M 86,748 +5,628 +7%
Comerica Bank
107
Comerica Bank
Texas
$5.36M 83,759 -17,253 -17%
Canada Life
108
Canada Life
Manitoba, Canada
$5.27M 82,307 -1,248 -1%
HSBC Holdings
109
HSBC Holdings
United Kingdom
$5.21M 81,934 +59,742 +269%
MAP
110
Moody Aldrich Partners
Massachusetts
$5.07M 79,150 +34,112 +76%
VA
111
Vident Advisory
Georgia
$4.83M 75,506 +2,238 +3%
Squarepoint
112
Squarepoint
New York
$4.57M 71,404 +43,404 +155%
Creative Planning
113
Creative Planning
Kansas
$4.5M 70,225 +14,605 +26%
IIM
114
INTECH Investment Management
Florida
$4.44M 69,410 -11,063 -14%
RHJA
115
Rice Hall James & Associates
California
$4.4M 68,786 +117 +0.2%
Nordea Investment Management
116
Nordea Investment Management
Sweden
$4.38M 69,116 +63,864 +1,216%
Allspring Global Investments
117
Allspring Global Investments
North Carolina
$4.37M 68,156 +57,554 +543%
Acadian Asset Management
118
Acadian Asset Management
Massachusetts
$4.35M 68,056 +63,817 +1,505%
CCM
119
Cinctive Capital Management
New York
$4.2M 65,677 +65,677 New
GC
120
Globeflex Capital
California
$4.2M 65,570 +31,581 +93%
New York State Teachers Retirement System (NYSTRS)
121
New York State Teachers Retirement System (NYSTRS)
New York
$4.17M 65,161 – –
AIMCA
122
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$4.14M 64,600 +3,632 +6%
HCA
123
Harbor Capital Advisors
Illinois
$4.13M 64,440 -12,179 -16%
RA
124
Royce & Associates
New York
$4.11M 64,175 -115,732 -64%
Primecap Management
125
Primecap Management
California
$3.99M 62,300 -10,600 -15%
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5
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