547 hedge funds and large institutions have $9.18B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 100 funds opening new positions, 190 increasing their positions, 191 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding

Funds holding:

more ownership

Funds ownership:

1% less repeat investments, than reductions

Existing positions increased: 190 | Existing positions reduced: 191

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
547
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$65.1M
Puts
$46.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AGAM
326
AK Global Asset Management
California
$459K
RT
327
Rockland Trust
Massachusetts
$459K
AHL
328
Abel Hall LLC
Louisiana
$459K
Commonwealth Equity Services
329
Commonwealth Equity Services
Massachusetts
$450K
Nisa Investment Advisors
330
Nisa Investment Advisors
Missouri
$449K
Vontobel Holding
331
Vontobel Holding
Switzerland
$448K
TFGT
332
TS Financial Group (TSFG)
Illinois
$446K
GI
333
GAMMA Investing
California
$444K
Bank Julius Baer & Co
334
Bank Julius Baer & Co
Switzerland
$423K
MFG
335
Merit Financial Group
Georgia
$421K
CAM
336
Cresset Asset Management
Illinois
$412K
CA
337
CoreCap Advisors
Michigan
$401K
FPAS
338
Focus Partners Advisor Solutions
Missouri
$384K
LFG
339
Larson Financial Group
Missouri
$379K
Verition Fund Management
340
Verition Fund Management
Connecticut
$376K
FFM
341
Forum Financial Management
Illinois
$358K
Simplex Trading
342
Simplex Trading
Illinois
$357K
MAS
343
Meeder Advisory Services
Ohio
$357K
BIG
344
Brooklyn Investment Group
New York
$354K
SCA
345
Snowden Capital Advisors
New York
$353K
ORI
346
Oak Ridge Investments
Illinois
$352K
KeyBank National Association
347
KeyBank National Association
Ohio
$350K
CFO
348
Callan Family Office
Pennsylvania
$341K
SCM
349
Shelton Capital Management
Colorado
$338K
VT
350
Vise Technologies
New York
$333K