Rambus Inc. (RMBS) - Stock Analysis

Last updated: Sep 20, 2026

Research Idea

Research content for general circulation. Not individualized advice. Methodology & Disclosures

RMBS gained 13.4% over 21 trading days on strong results, including $207.4 million revenue, an 80% gross margin, and 41% year-over-year Q3 product-revenue growth; DDR5 and AI-memory demand plus a $100 million accelerated repurchase support momentum.

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Idea window: 9/23/2026 – 9/30/2026Sector: Technology

AI Analyst Overview

Last Price
$102.30
Market Cap
$11.41B
1D Return
-2.79%
YTD Return
+11.33%

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Valuation Metrics

P/E
47.4
P/B
7.8
P/S
15.1
EV/EBITDA
35.7
Div Yield
—

Fundamental Analysis

8.0

Key Financial Insights: • High Margins • Strong Liquidity • Cash Decline RMBS combines high margins, strong liquidity, and low leverage with declining cash, heavy investment outflows, and still-demanding valuation multiples.

Profitability
ValuationRisk

Price Behavior

5.0

Key Price Behavior Insights: • Support rebound • Neutral momentum • Key resistance Support Level: $80.40–$81.40 Resistance Level: $87.70–$91.20 RMBS is stabilizing after a rebound from support but remains range-bound to mildly bearish unless it breaks above $87.70–$91.20; watch $80.40–$81.40 support closely amid elevated volatility.

Stabilizing
RangeBound

Sentiment & News

7.0

Key News Insights: • Institutional Accumulation • Record Revenue • AI Security Rambus shows a bullish setup with strong institutional buying, rising estimates, record revenue, and expanding AI-security opportunities despite trading near 52-week lows.

RMBS
AI
AI

AI Summary

6.0
Neutral

Rambus's AI-security pivot and strong memory-interface demand could expand its growth runway, but investors should require evidence of design-win monetization and stabilized royalties before paying its premium valuation, as a sustained shift toward cyclical product revenue risks multiple compression.

AIExpansion
RoyaltyRisk
Valuation
AI summary updated 3 days ago

Description

Rambus Inc. designs and supplies semiconductor products worldwide, including memory interface chips spanning current and previous DDR generations and a range of silicon IP for interfaces and security. The company also offers physical interface and digital controller IP to support integrated memory and interconnect subsystems and maintains a patent portfolio covering memory architecture, high-speed serial links and security technologies. Rambus sells through a direct sales force and distributors, was incorporated in 1990 and is headquartered in San Jose, California.

Idea History

DateCloseTickerCompanySummaryStatusP/L
Sep 23Sep 30RMBSRambus Inc.
RMBS gained 13.4% over 21 trading days on strong results, including $207.4 million revenue, an 80% gross margin, and 41% year-over-year Q3 product-revenue growth; DDR5 and AI-memory demand plus a $100 million accelerated repurchase support momentum.
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Research content for educational purposes only. Not investment advice. All decisions are your responsibility.