551 hedge funds and large institutions have $8.82B invested in Rambus in 2026 Q1 according to their latest regulatory filings, with 85 funds opening new positions, 184 increasing their positions, 207 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

4% less capital invested

Capital invested by funds: $9.18B → $8.82B (-$356M)

11% less repeat investments, than reductions

Existing positions increased: 184 | Existing positions reduced: 207

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
551
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$49.5M
Puts
$26.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ES
201
Element Squared
Minnesota
$2.03M
CCM
202
Capstone Capital Management
$2.01M
ISWM
203
Independent Solutions Wealth Management
New York
$1.94M
VPIM
204
Vanguard Personalized Indexing Management
California
$1.91M
NMERB
205
New Mexico Educational Retirement Board
New Mexico
$1.9M
OPERF
206
Oregon Public Employees Retirement Fund
Oregon
$1.9M
XT
207
XTX Topco
Cayman Islands
$1.82M
EH
208
Equitable Holdings
New York
$1.8M
Mariner
209
Mariner
Kansas
$1.66M
PAS
210
Park Avenue Securities
New York
$1.63M
TAM
211
Tealwood Asset Management
Minnesota
$1.63M
BMSSC
212
B. Metzler seel. Sohn & Co
Germany
$1.61M
SOADOR
213
State of Alaska Department of Revenue
Alaska
$1.6M
CI
214
Cambiar Investors
Colorado
$1.59M
GWM
215
Gibbs Wealth Management
Georgia
$1.57M
Bank of Montreal
216
Bank of Montreal
Ontario, Canada
$1.54M
GLA
217
Great Lakes Advisors
Illinois
$1.53M
CPC
218
Cookson Peirce & Co
Pennsylvania
$1.49M
Acadian Asset Management
219
Acadian Asset Management
Massachusetts
$1.47M
Cambridge Investment Research Advisors
220
Cambridge Investment Research Advisors
Iowa
$1.44M
Envestnet Portfolio Solutions
221
Envestnet Portfolio Solutions
Illinois
$1.43M
Citadel Advisors
222
Citadel Advisors
Florida
$1.42M
Amundi
223
Amundi
France
$1.41M
AAM
224
Azzad Asset Management
Virginia
$1.4M
MNBTD
225
Moody National Bank Trust Division
Texas
$1.39M