Rambus Inc.

NasdaqGS:RMBS Stock Report

Market Cap: US$5.7b

Rambus Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:RMBS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
27 May 25SellUS$101,816Steven LaubIndividual1,847US$55.13
19 May 25SellUS$202,961Steven LaubIndividual3,653US$55.56
09 May 25SellUS$186,778Eric StangIndividual3,653US$51.13
19 Feb 25SellUS$3,559,037Xianzhi FanIndividual52,327US$68.02
19 Feb 25SellUS$308,681Necip SayinerIndividual4,625US$66.74
12 Dec 24SellUS$143,123John ShinnIndividual2,462US$58.13
12 Dec 24SellUS$314,854Meera RaoIndividual5,408US$58.22

Insider Trading Volume

Insider Buying: RMBS insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of RMBS?
Owner TypeNumber of SharesOwnership Percentage
State or Government44,0780.041%
Individual Insiders727,9340.678%
General Public6,477,0886.03%
Institutions100,162,81693.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 68.37% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
13.2%
BlackRock, Inc.
14,215,901US$760.1m0.54%0.01%
11.6%
The Vanguard Group, Inc.
12,442,412US$665.3m-1.21%0.01%
8.14%
T. Rowe Price Group, Inc.
8,746,856US$467.7m60.5%0.04%
4.26%
State Street Global Advisors, Inc.
4,580,557US$244.9m-3.31%0.01%
3.98%
Invesco Ltd.
4,279,128US$228.8m-9.99%0.06%
3.16%
JP Morgan Asset Management
3,392,064US$181.4m-8.64%0.02%
2.47%
Geode Capital Management, LLC
2,651,947US$141.8m2.9%0.01%
1.74%
Dimensional Fund Advisors LP
1,868,434US$99.9m7.74%0.02%
1.66%
Norges Bank Investment Management
1,785,242US$95.5m0%0.01%
1.65%
BNY Asset Management
1,775,025US$94.9m-9.39%0.02%
1.58%
Swedbank Robur Fonder AB
1,700,000US$90.9m0%0.06%
1.33%
American Century Investment Management Inc
1,424,365US$76.2m21.1%0.04%
1.32%
Northern Trust Global Investments
1,420,613US$76.0m-2.92%0.01%
1.19%
Neuberger Berman Investment Advisers LLC
1,282,168US$68.6m-22.7%0.05%
1.17%
Charles Schwab Investment Management, Inc.
1,256,346US$67.2m0.53%0.01%
1.15%
Westwood Management Corp.
1,232,210US$65.9m9.25%0.5%
1.12%
Congress Asset Management Company, LLP
1,199,564US$64.1m38.5%0.45%
1.11%
Wellington Management Group LLP
1,194,046US$63.8m-4.36%0.01%
1.09%
EdgePoint Investment Group Inc.
1,169,194US$62.5m0%0.31%
1.03%
Voya Investment Management LLC
1,109,115US$59.3m-1.36%0.07%
1.01%
Westfield Capital Management Company, L.P.
1,089,081US$58.2m-21.6%0.26%
0.88%
Hood River Capital Management LLC
944,894US$50.5m0%0.8%
0.87%
Raymond James Financial Inc., Asset Management Arm
939,712US$50.2m-3.55%0.02%
0.84%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
904,132US$48.3m4.67%0.01%
0.78%
Emerald Advisers, LLC
836,808US$44.7m-7.1%1.12%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/06/02 15:09
End of Day Share Price 2025/06/02 00:00
Earnings2025/03/31
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Rambus Inc. is covered by 22 analysts. 8 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Brett SimpsonArete Research Services LLP
Nam Hyung KimArete Research Services LLP
Tristan GerraBaird