457 hedge funds and large institutions have $6.22B invested in Rambus in 2025 Q2 according to their latest regulatory filings, with 87 funds opening new positions, 192 increasing their positions, 130 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0.74% more ownership

Funds ownership: 89.74%90.48% (+0.74%)

46% less call options, than puts

Call options by funds: $35.8M | Put options by funds: $65.8M

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
457
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$35.8M
Puts
$65.8M
Net Calls
Net Calls Change

Top Sellers

1 -$260M
2 -$141M
3 -$89.1M
4
SG Americas Securities
SG Americas Securities
New York
-$30.9M
5
JP Morgan Chase
JP Morgan Chase
New York
-$29.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Natixis Advisors
176
Natixis Advisors
Massachusetts
$1.56M
PFSRSONJ
177
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.56M
BHCM
178
Brevan Howard Capital Management
Jersey
$1.54M
NMIMC
179
Northwestern Mutual Investment Management Company
Wisconsin
$1.54M
AIC
180
Aurora Investment Counsel
Georgia
$1.49M
DnB Asset Management
181
DnB Asset Management
Norway
$1.48M
B
182
Bailard
California
$1.45M
KK
183
KLP Kapitalforvaltning
Norway
$1.42M
NMERB
184
New Mexico Educational Retirement Board
New Mexico
$1.42M
A
185
AlphaQuest
New York
$1.41M
OPERF
186
Oregon Public Employees Retirement Fund
Oregon
$1.41M
PAS
187
Park Avenue Securities
New York
$1.4M
VPIM
188
Vanguard Personalized Indexing Management
California
$1.38M
HWAM
189
Hennion & Walsh Asset Management
New Jersey
$1.36M
TAM
190
Tealwood Asset Management
Minnesota
$1.31M
SMF
191
Scott Marsh Financial
Utah
$1.3M
Polen Capital Management
192
Polen Capital Management
Florida
$1.29M
CC
193
Centiva Capital
New York
$1.27M
DWM
194
Diversify Wealth Management
Utah
$1.24M
Connor, Clark & Lunn Investment Management (CC&L)
195
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.23M
GLA
196
Great Lakes Advisors
Illinois
$1.21M
EIP
197
Epoch Investment Partners
New York
$1.17M
Pathstone Holdings
198
Pathstone Holdings
New Jersey
$1.17M
SC
199
Savant Capital
Illinois
$1.15M
ZIM
200
Zacks Investment Management
Illinois
$1.15M