551 hedge funds and large institutions have $8.82B invested in Rambus in 2026 Q1 according to their latest regulatory filings, with 85 funds opening new positions, 184 increasing their positions, 207 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

4% less capital invested

Capital invested by funds: $9.18B → $8.82B (-$356M)

11% less repeat investments, than reductions

Existing positions increased: 184 | Existing positions reduced: 207

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
551
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
$49.5M
Puts
$26.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Canada Life
126
Canada Life
Manitoba, Canada
$5.35M
TIM
127
Thornburg Investment Management
New Mexico
$5M
DAM
128
Deepwater Asset Management
Minnesota
$4.99M
PCM
129
Penserra Capital Management
California
$4.92M
Mackenzie Financial
130
Mackenzie Financial
Ontario, Canada
$4.62M
VA
131
Vident Advisory
Georgia
$4.47M
BA
132
Bridgewater Associates
Connecticut
$4.46M
CAPTRUST Financial Advisors
133
CAPTRUST Financial Advisors
North Carolina
$4.46M
NIP
134
Nicholas Investment Partners
California
$4.37M
BNP Paribas Asset Management
135
BNP Paribas Asset Management
France
$4.32M
Holocene Advisors
136
Holocene Advisors
New York
$4.27M
ASM
137
AI-Squared Management
Hong Kong
$4.27M
TRSOTSOK
138
Teachers Retirement System of the State of Kentucky
Kentucky
$4.23M
VGA
139
Vanguard Global Advisers
Pennsylvania
$4.13M
Assenagon Asset Management
140
Assenagon Asset Management
Luxembourg
$4.09M
Primecap Management
141
Primecap Management
California
$4.09M
TRCT
142
Tower Research Capital (TRC)
New York
$4.03M
AB
143
Amalgamated Bank
New York
$4M
American Century Companies
144
American Century Companies
Missouri
$3.91M
Zurich Cantonal Bank
145
Zurich Cantonal Bank
Switzerland
$3.86M
HW
146
Hancock Whitney
Mississippi
$3.84M
RBI
147
Raiffeisen Bank International
Austria
$3.83M
Pictet Asset Management
148
Pictet Asset Management
Switzerland
$3.75M
New York State Common Retirement Fund
149
New York State Common Retirement Fund
New York
$3.69M
GC
150
Guggenheim Capital
Illinois
$3.68M