544 hedge funds and large institutions have $9.17B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 98 funds opening new positions, 189 increasing their positions, 191 reducing their positions, and 54 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: 189 | Existing positions reduced: 191

11% less capital invested

Capital invested by funds: $10.3B → $9.17B (-$1.12B)

50% less funds holding in top 10

Funds holding in top 10: 63 (-3)

Holders
544
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
RT
326
Rockland Trust
Massachusetts
$459K
AHL
327
Abel Hall LLC
Louisiana
$459K
Commonwealth Equity Services
328
Commonwealth Equity Services
Massachusetts
$450K
Nisa Investment Advisors
329
Nisa Investment Advisors
Missouri
$449K
Vontobel Holding
330
Vontobel Holding
Switzerland
$448K
TFGT
331
TS Financial Group (TSFG)
Illinois
$446K
GI
332
GAMMA Investing
California
$444K
Bank Julius Baer & Co
333
Bank Julius Baer & Co
Switzerland
$423K
MFG
334
Merit Financial Group
Georgia
$421K
CAM
335
Cresset Asset Management
Illinois
$412K
CA
336
CoreCap Advisors
Michigan
$401K
FPAS
337
Focus Partners Advisor Solutions
Missouri
$384K
LFG
338
Larson Financial Group
Missouri
$379K
Verition Fund Management
339
Verition Fund Management
Connecticut
$376K
FFM
340
Forum Financial Management
Illinois
$358K
Simplex Trading
341
Simplex Trading
Illinois
$357K
MAS
342
Meeder Advisory Services
Ohio
$357K
BIG
343
Brooklyn Investment Group
New York
$354K
SCA
344
Snowden Capital Advisors
New York
$353K
ORI
345
Oak Ridge Investments
Illinois
$352K
KeyBank National Association
346
KeyBank National Association
Ohio
$350K
CFO
347
Callan Family Office
Pennsylvania
$341K
SCM
348
Shelton Capital Management
Colorado
$338K
VT
349
Vise Technologies
New York
$333K
TC
350
Truvestments Capital
Florida
$331K