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552 hedge funds and large institutions have $9.18B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 102 funds opening new positions, 190 increasing their positions, 194 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

92% more first-time investments, than exits

New positions opened: 102 | Existing positions closed: 53

40% more call options, than puts

Call options by funds: $65.1M | Put options by funds: $46.4M

8% more funds holding

Funds holding: 512552 (+40)

0.94% more ownership

Funds ownership: 91.78%92.72% (+0.94%)

2% less repeat investments, than reductions

Existing positions increased: 190 | Existing positions reduced: 194

11% less capital invested

Capital invested by funds: $10.3B → $9.18B (-$1.11B)

50% less funds holding in top 10

Funds holding in top 10: 63 (-3)

Holders
552
Holders Change
+40
Holders Change %
+7.81%
% of All Funds
6.72%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
102
Increased
190
Reduced
194
Closed
53
Calls
$65.1M
Puts
$46.4M
Net Calls
+$18.7M
Net Calls Change
-$41.3M
Name Holding Trade Value Shares
Change
Change in
Stake
BNP Paribas Asset Management
126
BNP Paribas Asset Management
France
$5.31M +$5.58M +56,699 +5,154%
TIM
127
Thornburg Investment Management
New Mexico
$5.29M -$1.09M -11,037 -16%
EAM
128
Erste Asset Management
Austria
$5.23M +$551K +5,600 +11%
State of Tennessee, Department of Treasury
129
State of Tennessee, Department of Treasury
Tennessee
$4.81M -$178K -1,810 -4%
MM
130
M37 Management
California
$4.59M +$4.92M +50,000 New
TRSOTSOK
131
Teachers Retirement System of the State of Kentucky
Kentucky
$4.54M
NIP
132
Nicholas Investment Partners
California
$4.39M +$3.07M +31,173 +187%
Primecap Management
133
Primecap Management
California
$4.36M -$1.13M -11,500 -19%
Two Sigma Advisers
134
Two Sigma Advisers
New York
$4.29M +$649K +6,600 +16%
Assenagon Asset Management
135
Assenagon Asset Management
Luxembourg
$4.26M -$4.75M -48,297 -51%
AB
136
Amalgamated Bank
New York
$4.17M -$185K -1,885 -4%
RHJA
137
Rice Hall James & Associates
California
$4.13M -$377K -3,834 -8%
TI
138
Tidal Investments
Wisconsin
$3.91M +$2.58M +26,168 +160%
New York State Common Retirement Fund
139
New York State Common Retirement Fund
New York
$3.85M -$8.24M -83,775 -67%
CAPTRUST Financial Advisors
140
CAPTRUST Financial Advisors
North Carolina
$3.76M -$114K -1,158 -3%
Pictet Asset Management
141
Pictet Asset Management
Switzerland
$3.74M +$2.54M +25,846 +173%
CNAM
142
Campbell Newman Asset Management
Wisconsin
$3.71M -$148K -1,505 -4%
YCM
143
Yousif Capital Management
Michigan
$3.67M -$51K -518 -2%
Baird Financial Group
144
Baird Financial Group
Wisconsin
$3.53M -$1.78M -18,113 -32%
AFM
145
Aspetuck Financial Management
Connecticut
$3.51M -$403K -4,100 -10%
ProShare Advisors
146
ProShare Advisors
Maryland
$3.47M +$474K +4,812 +15%
EI
147
EFG International
$3.45M +$3.69M +37,531 New
State of New Jersey Common Pension Fund D
148
State of New Jersey Common Pension Fund D
New Jersey
$3.4M +$63.8K +648 +2%
MAP
149
Moody Aldrich Partners
Massachusetts
$3.35M -$1.12M -11,371 -24%
WAM
150
Weiss Asset Management
Massachusetts
$3.34M +$3.57M +36,300 New