Semtech Corporation (SMTC) - Stock Analysis

Last updated: Sep 20, 2026

Research Idea

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

SMTC gained 44.8% over 21 days following a revenue and earnings beat, 91% data-center growth, record backlog, raised guidance, and an expectation for roughly 20% sequential revenue growth next quarter.

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Idea window: 9/22/2026 – 9/29/2026Sector: Technology

AI Analyst Overview

Last Price
$142.22
Market Cap
$13.27B
1D Return
+4.02%
YTD Return
+93.00%

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Valuation Metrics

P/E
85.8
P/B
17.7
P/S
11.3
EV/EBITDA
104.2
Div Yield
—

Fundamental Analysis

6.0

Key Financial Insights: • Tax-boosted earnings • Strong free cash flow • Near-term debt SMTC's quarterly operational and cash-flow improvement is encouraging, but tax-inflated earnings, high near-term debt, weak equity quality, and stretched valuation warrant caution.

CashFlowStrength
ValuationRisk

Price Behavior

5.0

Key Price Behavior Insights: • Strong upside momentum • Overbought conditions • Key support zone Support Level: $167–$168 Resistance Level: No established resistance above $185 SMTC surged 48% over the last month to a new $185 high, but its overbought momentum raises pullback risk toward $167–168 support.

Bullish
Overbought

Sentiment & News

7.0

Key News Insights: • Earnings Outperformance • Data-Center Growth • Valuation Risk Semtech's earnings beat, data-center surge, bullish guidance, and institutional buying support positive momentum, though valuation risks remain.

Semtech
DataCenterGrowth
AI

AI Summary

6.0
Neutral

SMTC has become an AI-networking execution story—not a turnaround—with >$100M data-center revenue growing 91% and strong guidance supporting upside, but its ~98x EV/EBITDA valuation leaves little room for delays in 1.6T ramps, margin expansion, or debt/refinancing progress; wait for repeated delivery rather than chase the extended momentum.

AIGrowth
ValuationRisk
Execution
AI summary updated 29 days ago

Description

Semtech Corporation designs and manufactures analog and mixed-signal semiconductors and supporting algorithms for communications, broadcast, industrial and consumer electronics. Its product set includes signal integrity and optical data-transport components, protection devices for voltage transients, radio-frequency and sensing modules, and power-management solutions used across networking, video and embedded systems. The company sells to OEMs and their suppliers through direct sales and distributors globally and is headquartered in Camarillo, California, having been incorporated in 1960.

Idea History

DateCloseTickerCompanySummaryStatusP/L
Sep 22Sep 29SMTCSemtech Corporation
SMTC gained 44.8% over 21 days following a revenue and earnings beat, 91% data-center growth, record backlog, raised guidance, and an expectation for roughly 20% sequential revenue growth next quarter.
Closed+3.3%
Sep 10Sep 17SMTCSemtech Corporation
Shares rose 19.7% over 21 sessions as data-center revenue increased 91%, total revenue grew 32.7%, and management raised next-quarter guidance. AI optical-networking demand, a 1.6T ramp, and record backlog support further upside.
Closed+12.0%
Apr 20Apr 27SMTCSemtech Corporation
Strong semiconductor momentum with multiple fresh catalysts: acquisition of HieFo, new 224Gbps interconnect components for AI/data centers, 5G RedCap modem, and positive Q3 sales guidance around $266M. Shares climbed about 44% over 21 trading days, supported by AI infrastructure demand.
Closed-4.4%
Research content for educational purposes only. Not investment advice. All decisions are your responsibility.