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Aehr Test Systems

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Aehr Test Systems | Worldwide Leader in IC Burn-in and Test Systems

Fremont, United StatesFounded 1977Semiconductors
Valuation $1.79B Market cap · 2026
Revenue $50M Latest reported FY

About Aehr Test Systems

Aehr Test Systems, headquartered in Fremont, California, is a prominent player in the semiconductor industry, specializing in test and burn-in equipment. The company primarily serves clients in the semiconductor and photonics sectors, including manufacturers of silicon photonics devices, which are used in data communications applications. These devices are crucial for high-speed data transfer in data centers and telecommunications.

Aehr's core business revolves around providing advanced testing solutions to ensure the reliability and performance of semiconductor devices. Their flagship product line, the FOX XP system, is designed for high-volume production testing and burn-in of silicon photonics devices. Burn-in is a process where components are stressed under high temperatures to detect early failures, ensuring only the most reliable devices make it to market.

The company's business model is based on selling these specialized testing systems to semiconductor manufacturers. Aehr generates revenue through the sale of its equipment, as well as through ongoing service and support contracts. This model ensures a steady stream of income from both initial sales and recurring service agreements.

Aehr operates in the global semiconductor market, which is characterized by rapid technological advancements and high demand for reliable and high-performance components. The company's commitment to sustainability and ethical business practices further enhances its reputation in the industry.

In summary, Aehr Test Systems is a key supplier of semiconductor test and burn-in equipment, serving the needs of silicon photonics device manufacturers. Their business model focuses on equipment sales and service contracts, catering to a market that demands high reliability and performance.

Source: Dealroom company data

At a glance

Status
Listed
Founded
1977
Headquarters
Fremont, United States
Listing
IPO 1997
Employees
153
Open positions
9
Dealroom signal
54.3/100
Industry
Semiconductors
Sector
Semiconductors, Testing
Technology
Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2b
Investment activity
1 company, latest Jul 2024
Capital deployed
—
Preferred round
ACQUISITION

Funding history

7 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
POST IPO EQUITY✓Other financing Aug 2026 $0 — Undisclosed ↗
POST IPO EQUITY✓Other financing Sep 2016 $5.9M — Undisclosed —
Showing the latest 2 of 7 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowthEBITDAMarginProfitMarginR&D
2026 $50M -15.2% −$11M -21.2% −$7.1M -14.3% $13M
2025 $59M -10.9% −$561K -1% −$3.9M -6.6% $10M
2024 $66M +1.9% $11M 17.3% $33M 50.1% $8.7M
2023 $65M +27.8% $13M 20.6% $7.1M
2022 $51M +206.2% $6.1M 12%
2021 $17M -25.5% −$6.4M -38.4%
2020 $22M — −$2.3M -10.4%
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Aehr Test Systems website traffic

Latest recorded traffic for Aehr Test Systems is 460 monthly website visits, up 91.7% over the last three months. Aehr Test Systems's team grew 61.1% over the past year.

Latest monthly visits460 3-month web change+91.7% 1-year team growth+61.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

1 investor on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series B and later1 investor entered at this stage

  • Summit Partners
Team profiled 19 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
7 countries with
team presence
🇺🇸 United States81.7%
🇵🇭 Philippines9.8%
🇨🇳 China2.4%
🇩🇪 Germany1.2%
🇮🇹 Italy1.2%
Top 5 of 7 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Aehr Test Systems on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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