RMBS

Rambus Inc.

Rambus Inc.RMBS

Technology · Semiconductors

105.24USD

+8.54%

Sep 23, 2026

RMBS overview ready

Specialized Supplier of High-Speed Memory Interface Chipsets for AI Servers

Rambus is a specialized supplier of memory-interface chipsets and silicon IP used to make server memory modules operate at higher speeds, capacities and power efficiency; it also licenses high-speed interface and security IP relevant to data-center system designs.

Strong narrative exposure

Exposed to the AI Compute Infrastructure Buildout narrative through Server Memory Bandwidth and DIMM Interface Scaling — component supplier.

Price trend is broken

Longer-term context reads trend under pressure, with a near-term setup of reclaim attempt.

Fair valuation

The price broadly reflects the level and quality of its cash generation, with upside and risk reasonably balanced.

Fundamentals under pressure

Ev / ebitda is weak.

Primary risk

Cyclicality of semiconductor demand.

Market Sep 22Filing Jun 30Price action Sep 22Research Sep 9

Conviction Level

Price

Loading price history…

Price Action

Price trend is broken

Longer-term context reads trend under pressure, with a near-term setup of reclaim attempt.

EntryReset + recovery

The stock remains extended from its long-term weekly base, but the recent reset toward the daily SMA200 aligned with support at the weekly EMA21. Daily structure is recovering above the fast averages, improving the current entry location.

Key Financials

Market Cap: $11.4B
Avg Volume (60D): 2.5M
Revenue Growth YoY: +27.1%
Gross Margin: +79.5%
Operating Margin: +35.5%
Free Cash Flow Yield: +2.6%
Distance from 200DMA: -2.3%
Next Earnings: 2026-10-26
P/E: 47.6x
EV / EBITDA: 37.7x
EV / Sales: 14.0x

Market metrics as of Sep 22, 2026

Financial results for the period ended Jun 30, 2026

Filed balance-sheet data as of Dec 31, 2023

Fundamentals & Valuation

The available comparisons disagreed; the peers comparison is the more reliable method for this business and the others are published as dissent.

Rambus Inc. has a Fair valuation stance because the price broadly reflects the level and quality of its cash generation, with upside and risk reasonably balanced.

What changed

RMBS rose 10.7% in one session
RMBS closed +10.7% against a broad market that moved +1.6%.
2026-09-21

Company Research

Thesis

Opportunity

High opportunity

AI inference, HPC and cloud-server deployments require higher-capacity, higher-bandwidth and more power-efficient main-memory subsystems, increasing content and technical requirements for DDR5 RDIMM, MRDIMM, SOCAMM and related memory-interface components.

Key risk

Cyclicality of semiconductor demand.

Narrative & Theme

AI Compute Infrastructure Buildout

Part of Server Memory Bandwidth and DIMM Interface Scaling, with strong fit.

RMBS has a direct and monetizable connection to AI-compute buildout through the server-memory bottleneck rather than a generic AI association.

Narrative HeatHot9.5 / 10

Theme HeatHot8.6 / 10

This is the company’s own research reading. The canonical heat measurement for this story has not run.

Business & Markets

Technology · Semiconductors

What they do

Rambus Inc. designs, manufactures, and sells semiconductor products and silicon IP solutions globally, focusing on memory interface chips and data security technologies.

How it earns

The company generates revenue primarily through product sales and licensing of its semiconductor chips and silicon IP.

Products & services

DDR5 memory interface chips

DDR4 memory interface chips

Silicon IP including interface and security IP solutions

Customers & end markets

Semiconductor manufacturers

Technology companies in AI and computing

Market position

Niche player specializing in memory interface and security IP within the semiconductor industry.

Demand drivers

Medium cyclicality

Semiconductor demand is influenced by technology cycles and end-market adoption trends.

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