551 hedge funds and large institutions have $9.18B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 101 funds opening new positions, 190 increasing their positions, 194 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:

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
551
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
M&T Bank
326
M&T Bank
New York
$481K
William Blair & Company
327
William Blair & Company
Illinois
$465K
AGAM
328
AK Global Asset Management
California
$459K
RT
329
Rockland Trust
Massachusetts
$459K
AHL
330
Abel Hall LLC
Louisiana
$459K
Commonwealth Equity Services
331
Commonwealth Equity Services
Massachusetts
$450K
Nisa Investment Advisors
332
Nisa Investment Advisors
Missouri
$449K
Vontobel Holding
333
Vontobel Holding
Switzerland
$448K
TFGT
334
TS Financial Group (TSFG)
Illinois
$446K
GI
335
GAMMA Investing
California
$444K
Bank Julius Baer & Co
336
Bank Julius Baer & Co
Switzerland
$423K
MFG
337
Merit Financial Group
Georgia
$421K
CAM
338
Cresset Asset Management
Illinois
$412K
CA
339
CoreCap Advisors
Michigan
$401K
FPAS
340
Focus Partners Advisor Solutions
Missouri
$384K
LFG
341
Larson Financial Group
Missouri
$379K
Verition Fund Management
342
Verition Fund Management
Connecticut
$376K
FFM
343
Forum Financial Management
Illinois
$358K
Simplex Trading
344
Simplex Trading
Illinois
$357K
MAS
345
Meeder Advisory Services
Ohio
$357K
BIG
346
Brooklyn Investment Group
New York
$354K
SCA
347
Snowden Capital Advisors
New York
$353K
ORI
348
Oak Ridge Investments
Illinois
$352K
KeyBank National Association
349
KeyBank National Association
Ohio
$350K
CFO
350
Callan Family Office
Pennsylvania
$341K