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Oct 26, 2026, 4:05 PM ET Rambus reported record third quarter 2026 revenue of $218.3 million, up 22% year over year, with GAAP diluted EPS of $0.69 and non-GAAP diluted EPS of $0.84. AI-generated summary · Source: company release
Nasdaq: $RMBSSemiconductors · Data connectivity

RMBS Stock Hub: Rambus News, Memory Interfaces and AI Infrastructure

Rambus supplies chips and intellectual property that connect memory, processors and other parts of computing systems. Third-quarter revenue reached $218.3 million, including $114.3 million from products. The roadmap spans DDR5, low-power server memory, HBM controller IP and hardware security. Management expects fourth-quarter revenue of $227 million to $233 million.

Last updated: November 1, 2026Market data: October 30, 2026 regular-session close; USD per common shareFinancials: Quarter and nine months ended September 30, 2026Currency: USD
Full research report · PDF
Rambus Inc. research · November 1, 2026
19 pages covering the business, financial position, catalysts, risks, scenarios and sources. A dated snapshot for personal use; redistribution prohibited.
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Next catalyst
Quarter ending December 31, 2026 · Delivery against fourth-quarter financial guidance

Company forecast issued October 26; quarter-end is not an earnings-release date. Announcement and terms

Rambus Inc. RMBS daily stock chart
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RMBS stock at a glance

Last regular-session close
84.65
USD per common share · 2026-10-30
Source
Calculated equity value
9.07
USD billion · 2026-10-30 · 84.65 multiplied by 107,095,985 common shares outstanding at September 30, 2026. The price and count have different dates.
Source
Cash, equivalents and marketable securities
776.9
USD million · 2026-09-30 · 110.531 cash and equivalents plus 666.376 marketable securities.
Source
Quarterly revenue
218.3
USD million · Quarter ended September 30, 2026
Source
Quarterly product revenue
114.3
USD million · Quarter ended September 30, 2026 · Rounded issuer presentation.
Source
GAAP quarterly net income
74.6
USD million · Quarter ended September 30, 2026
Source
Operating cash flow
246.9
USD million · Nine months ended September 30, 2026
Source
Common shares outstanding
107,095,985
common shares · 2026-09-30
Source

Where Rambus Inc. stands now

The product business is growing within a model that also earns patent and technology royalties and engineering-related revenue. New server-memory chipsets broaden the content Rambus can supply, while the latest LPDDR6 offering addresses a platform architecture still in development. Customer qualification and deployment determine how those announcements become revenue.

Cash, equivalents and marketable securities totaled $776.9 million at September 30. Operating cash generation supports research and capital returns, including the completed accelerated repurchase. Rising inventory and concentrated customer relationships remain important when assessing the quality of growth.

The main risk is that customer adoption or licensing economics develop less favorably than the investment in new technology assumes. A concentrated customer base, external manufacturing and inventory commitments can magnify the effect of a delayed platform or lost design.

The constructive case

New memory architectures increase useful content per platform, licensing relationships renew and reliable supply supports product growth. Cash funds engineering and disciplined capital returns.

The cautious case

Customer deployments slow, inventory converts less efficiently and competition or licensing terms reduce returns. Concentration magnifies a lost program while development and employee costs continue.

Latest Rambus Inc. news

Oct 26, 2026

Quarterly revenue and product sales reach records

Revenue was $218.3 million, including $114.3 million from products. GAAP diluted EPS was $0.69 and the fourth-quarter revenue outlook was $227 million to $233 million.

Oct 22, 2026

ChipAgents agreement targets design productivity

Rambus announced internal adoption of the ChipAgents platform, customer-focused collaboration and a strategic investment.

Oct 13, 2026

New power-management IC addresses LPDDR6 SOCAMM2

The offering is designed for an upcoming low-power server-memory architecture. LPDDR6 SOCAMM2 remained in development, with customer adoption determining its later contribution.

Sep 14, 2026

CryptoManager extends support to the Caliptra framework

The security offering combines root-of-trust functions, integration and commercial support for data-center and AI system-on-chip designs.

Aug 5, 2026

Accelerated repurchase announced and subsequently completed

The announced $100 million arrangement was subsequently reported in the third-quarter filing as approximately 1.0 million shares retired at an average price of $95.41.

Jul 8, 2026

DDR5 server chipset advances to higher data rates

Rambus announced its DDR5 9600 server RDIMM chipset, including a sixth-generation clock driver, power management, an SPD hub and temperature sensors.

RMBS stock catalysts

  • Quarter ending December 31, 2026 · Delivery against fourth-quarter financial guidanceCompany forecast issued October 26; quarter-end is not an earnings-release date.

    Details and conditions

  • Customer platform development and deployment cycle · LPDDR6 SOCAMM2 power-management adoptionNew offering announced October 13; the underlying next-generation module architecture remains in development.

    Details and conditions

  • Customer qualification and production schedules · DDR5 9600 server and client chipset adoptionProducts announced; subsequent adoption and financial contribution depend on customers.

    Details and conditions

  • Customer semiconductor development cycles · HBM4E and interconnect-IP design progressionIP announced; license recognition and customer production follow the applicable contracts and programs.

    Details and conditions

Different ways Rambus participates in computing

ActivityCommercial roleWhat determines the return
Memory-interface chipsPhysical clocking, power and monitoring components.Qualification, shipments, manufacturing costs and product mix.
Silicon IPDesigns integrated into customer semiconductors.Licensing terms, engineering work and customer production.
Patent licensingRights to relevant inventions.Continued relevance, enforceability, renewals and collection.

Business and accounting definitions

Third-quarter financial mix

Revenue categoryQ3 2026Basis
Products$114.3 millionPhysical product sales.
Royalties$77.0 millionPatent and technology licensing.
Contracts and other$27.0 millionTechnology and related services.

Quarter ended September 30, 2026; rounded issuer figures. October 26 results

Merlintrader Health Score · $RMBS

3.95out of 5
Balance sheet / runway · 30%4.5

Cash and marketable securities substantially exceed reported liabilities, while operating cash generation funds development and working capital.

Catalysts · 30%3.5

Fourth-quarter guidance provides a near-term test and several new product families broaden the roadmap. Their commercial contribution depends on customer qualification and adoption.

Dilution · 20%4.0

The point-in-time share count declined during the cited year-to-date period and repurchases were executed. Employee equity remains an economic cost and potential source of dilution.

Liquidity · 10%4.0

An established Nasdaq listing and substantial observed trading support ordinary market access, while event-driven volatility can still be significant.

Execution · 10%3.5

Recent product and financial progress is strong, balanced against external manufacturing, concentrated customers and the need to renew valuable licensing relationships.

Assessed November 1, 2026. An editorial assessment of financial and operating resilience over twelve to eighteen months; no price target or recommendation is implied.

Red flags

  • Customer concentration can magnify changes in a small number of commercial relationships.
  • Product announcements precede the separate work of customer qualification and adoption.
  • Fixed-fee licensing can separate recognized revenue from cash collection.
  • External manufacturing creates dependence on capacity, quality and delivery.
  • Growing inventory commits resources and can face obsolescence or weaker demand.
  • Employee awards remain an economic cost despite executed share repurchases.
  • Security flaws, patent challenges and export restrictions can affect returns.

RMBS Stock FAQ: Rambus Inc. Questions Answered

Does Rambus manufacture DRAM or HBM stacks?

Rambus supplies supporting chips and licenses digital IP and patents. These roles differ from manufacturing DRAM cells or complete HBM stacks, even when the products serve the same computing market.

What were the latest quarterly results?

The quarter ended September 30, 2026 produced $218.3 million of revenue, $114.3 million of product revenue and GAAP diluted EPS of $0.69. The results were published October 26.

Why can licensing revenue and cash collection differ?

Recognition follows the transferred right or service and the contract terms. Fixed-fee rights can be recognized before all payments are collected, while variable royalties follow the applicable sales or use.

Was the August accelerated repurchase completed?

The third-quarter filing reported approximately 1.0 million shares retired under the $100 million arrangement at an average price of $95.41. The completed disclosure replaces the original pending status.

What supports the longer growth case?

Repeated customer adoption, license renewals and reliable supply need to produce sufficient cash after development and ownership costs. New technology announcements identify opportunities whose economics emerge through execution.

Primary sources and market references

Disclaimer. Published by Merlintrader for educational and informational purposes only. This content does not constitute investment advice or a recommendation to buy, sell or hold securities. Verify figures against the dated primary disclosures. Investors can lose part or all of their capital.

Semiconductor interfaces and technology licensing face rapid product change, concentrated customers, external manufacturing constraints and competitive pricing. Qualification delays, patent disputes, security defects, export controls and differences between revenue recognition and cash collection can affect results. Employee awards and capital allocation also influence the return retained per share.

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