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
$107.47
Market Cap
$11.66B
1D Return
-0.92%
YTD Return
+16.96%

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Valuation Metrics

P/E
48.4
P/B
7.9
P/S
15.4
EV/EBITDA
34.2
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 21 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.
Closed+3.2%
Research content for educational purposes only. Not investment advice. All decisions are your responsibility.