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553 hedge funds and large institutions have $8.82B invested in Rambus in 2026 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 185 increasing their positions, 208 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

85% more call options, than puts

Call options by funds: $49.5M | Put options by funds: $26.8M

14% more first-time investments, than exits

New positions opened: 84 | Existing positions closed: 74

2.3% more ownership

Funds ownership: 92.72%95.02% (+2.3%)

0% more funds holding

Funds holding: 552553 (+1)

4% less capital invested

Capital invested by funds: $9.18B → $8.82B (-$353M)

11% less repeat investments, than reductions

Existing positions increased: 185 | Existing positions reduced: 208

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
553
Holders Change
+1
Holders Change %
+0.18%
% of All Funds
6.81%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
84
Increased
185
Reduced
208
Closed
74
Calls
$49.5M
Puts
$26.8M
Net Calls
+$22.7M
Net Calls Change
+$4.03M
Name Holding Trade Value Shares
Change
Change in
Stake
Canada Life
126
Canada Life
Manitoba, Canada
$5.35M +$15.9K +159 +0.3%
TIM
127
Thornburg Investment Management
New Mexico
$5M +$55.1K +552 +1%
DAM
128
Deepwater Asset Management
Minnesota
$4.99M +$5.79M +58,036 New
PCM
129
Penserra Capital Management
California
$4.92M +$5.7M +57,161 New
Mackenzie Financial
130
Mackenzie Financial
Ontario, Canada
$4.62M +$2.95M +29,540 +122%
VA
131
Vident Advisory
Georgia
$4.47M -$1.41M -14,124 -21%
BA
132
Bridgewater Associates
Connecticut
$4.46M -$10.2M -102,442 -66%
CAPTRUST Financial Advisors
133
CAPTRUST Financial Advisors
North Carolina
$4.46M +$1.09M +10,921 +27%
NIP
134
Nicholas Investment Partners
California
$4.37M +$304K +3,048 +6%
BNP Paribas Asset Management
135
BNP Paribas Asset Management
France
$4.32M -$751K -7,528 -13%
Holocene Advisors
136
Holocene Advisors
New York
$4.27M +$4.95M +49,604 New
ASM
137
AI-Squared Management
Hong Kong
$4.27M +$4.95M +49,578 New
TRSOTSOK
138
Teachers Retirement System of the State of Kentucky
Kentucky
$4.23M -$23.6K -236 -0.5%
VGA
139
Vanguard Global Advisers
Pennsylvania
$4.13M +$4.79M +47,982 New
Assenagon Asset Management
140
Assenagon Asset Management
Luxembourg
$4.09M +$117K +1,174 +3%
Primecap Management
141
Primecap Management
California
$4.09M
TRCT
142
Tower Research Capital (TRC)
New York
$4.03M +$2.21M +22,134 +90%
AB
143
Amalgamated Bank
New York
$4M +$121K +1,209 +3%
American Century Companies
144
American Century Companies
Missouri
$3.91M -$1.28M -12,812 -22%
Zurich Cantonal Bank
145
Zurich Cantonal Bank
Switzerland
$3.86M +$4.48M +44,874 New
HW
146
Hancock Whitney
Mississippi
$3.84M +$285K +2,854 +9%
RBI
147
Raiffeisen Bank International
Austria
$3.83M +$4.79M +48,000 New
Pictet Asset Management
148
Pictet Asset Management
Switzerland
$3.75M +$283K +2,832 +7%
New York State Common Retirement Fund
149
New York State Common Retirement Fund
New York
$3.69M +$99.8K +1,000 +2%
GC
150
Guggenheim Capital
Illinois
$3.68M +$1.92M +19,226 +82%