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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
SDIC
176
South Dakota Investment Council
South Dakota
$2.46M
EIA
177
Emerald Investment Advisers
Pennsylvania
$2.42M +$2.8M +28,090 New
NAAA
178
New Age Alpha Advisors
New York
$2.41M -$68.8K -689 -2%
Ensign Peak Advisors
179
Ensign Peak Advisors
Utah
$2.36M -$95.8K -960 -3%
Fifth Third Bancorp
180
Fifth Third Bancorp
Ohio
$2.35M +$2.58M +25,820 +1,676%
IMRF
181
Illinois Municipal Retirement Fund
Illinois
$2.35M +$297K +2,974 +12%
COPPSERS
182
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.32M +$3.39K +34 +0.1%
VIA
183
Vanguard Investments Australia
Australia
$2.31M +$2.67M +26,807 New
State Board of Administration of Florida Retirement System
184
State Board of Administration of Florida Retirement System
Florida
$2.29M
NAM
185
Nissay Asset Management
Japan
$2.27M +$26.8K +269 +1%
LTAS
186
Linden Thomas Advisory Services
North Carolina
$2.26M -$3.79K -38 -0.1%
SG Americas Securities
187
SG Americas Securities
New York
$2.23M -$3.76M -37,690 -59%
Stifel Financial
188
Stifel Financial
Missouri
$2.23M -$352K -3,530 -12%
SOMRS
189
State of Michigan Retirement System
Michigan
$2.23M +$49.9K +500 +2%
HWAM
190
Hennion & Walsh Asset Management
New Jersey
$2.21M -$25.1K -252 -1%
ITFISA
191
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$2.21M -$404K -4,050 -14%
EMPI
192
Elo Mutual Pension Insurance
Finland
$2.21M +$148K +1,479 +6%
Cerity Partners
193
Cerity Partners
New York
$2.21M -$478K -4,789 -16%
QCM
194
Quantinno Capital Management
New York
$2.2M +$221K +2,219 +9%
SAM
195
Silvercrest Asset Management
New York
$2.19M -$22.4M -224,535 -90%
SO
196
STRS Ohio
Ohio
$2.09M -$29.9K -300 -1%
US Bancorp
197
US Bancorp
Minnesota
$2.09M +$311K +3,114 +15%
NMIMC
198
Northwestern Mutual Investment Management Company
Wisconsin
$2.07M +$3.09K +31 +0.1%
Baird Financial Group
199
Baird Financial Group
Wisconsin
$2.07M -$1.43M -14,351 -37%
CAMG
200
CWA Asset Management Group
Florida
$2.06M +$2.39M +23,967 New