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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
Pathstone Holdings
176
Pathstone Holdings
New Jersey
$2.44M +$644K +6,544 +33%
LTAS
177
Linden Thomas Advisory Services
North Carolina
$2.41M -$14.1K -143 -0.5%
NAM
178
Nissay Asset Management
Japan
$2.4M +$379K +3,848 +17%
Truist Financial
179
Truist Financial
North Carolina
$2.39M +$2.28M +23,127 +796%
HWAM
180
Hennion & Walsh Asset Management
New Jersey
$2.39M -$50.8K -516 -2%
SOMRS
181
State of Michigan Retirement System
Michigan
$2.33M -$19.7K -200 -0.8%
Mackenzie Financial
182
Mackenzie Financial
Ontario, Canada
$2.28M +$564K +5,736 +31%
TRCT
183
Tower Research Capital (TRC)
New York
$2.27M +$2.06M +20,930 +554%
SO
184
STRS Ohio
Ohio
$2.26M
IMRF
185
Illinois Municipal Retirement Fund
Illinois
$2.24M +$575K +5,845 +32%
EMPI
186
Elo Mutual Pension Insurance
Finland
$2.22M +$763K +7,750 +47%
AAM
187
Azzad Asset Management
Virginia
$2.22M -$62.8K -638 -3%
Skandinaviska Enskilda Banken (SEB)
188
Skandinaviska Enskilda Banken (SEB)
Sweden
$2.22M +$96.4K +980 +4%
NMIMC
189
Northwestern Mutual Investment Management Company
Wisconsin
$2.21M +$10.1K +103 +0.4%
TD Asset Management
190
TD Asset Management
Ontario, Canada
$2.21M -$128K -1,296 -5%
GC
191
Guggenheim Capital
Illinois
$2.16M +$901K +9,154 +64%
QCM
192
Quantinno Capital Management
New York
$2.15M +$338K +3,430 +17%
KK
193
KLP Kapitalforvaltning
Norway
$2.11M +$59K +600 +3%
Teacher Retirement System of Texas
194
Teacher Retirement System of Texas
Texas
$2.09M -$1.4M -14,265 -39%
NMERB
195
New Mexico Educational Retirement Board
New Mexico
$2.03M
VPIM
196
Vanguard Personalized Indexing Management
California
$2M -$9.74K -99 -0.5%
OPERF
197
Oregon Public Employees Retirement Fund
Oregon
$1.98M -$19.7K -200 -0.9%
US Bancorp
198
US Bancorp
Minnesota
$1.94M +$825K +8,381 +66%
Walleye Capital
199
Walleye Capital
New York
$1.91M +$2.05M +20,794 New
HSBC Holdings
200
HSBC Holdings
United Kingdom
$1.89M +$761K +7,733 +61%