Teradyne, Inc.
Teradyne, Inc. engages in the design, development, manufacture, and sale of automated test systems and robotics products in the United States, Asia Pacific, Europe, the Middle East, and Africa. The company operates through Semiconductor Test, Robotics, and Other segments. The Semiconductor Test segment offers products and services for wafer level and device package testing, and system level testing of semiconductor devices in automotive, industrial, communications, consumer, smartphones, cloud, computer and electronic game, and other applications. This segment also provides FLEX test platform systems; J750 test system to address the volume semiconductor devices, including microcontrollers; Magnum platform that tests memory devices, such as flash memory and DRAM; and ETS platform for semiconductor manufacturers, and assembly and test subcontractors in the analog/mixed signal markets. It serves integrated device manufacturers that integrate the fabrication of silicon wafers into their business; fabless companies that outsource the manufacturing of silicon wafers; foundries; and semiconductor assembly and test providers. The Robotics segment provides collaborative robotic arms and autonomous mobile robots for manufacturing, logistics, and industrial customers. It also provides product test instruments which includes operations related to the design, manufacturing and marketing of products and services for defense/aerospace test, circuit-board test, wireless test systems, and silicon photonics testing. The company has a strategic collaboration with Tokyo Electron Limited for the development of a test cell solution for device screening in AI and data center applications. Teradyne, Inc. was incorporated in 1960 and is headquartered in North Reading, Massachusetts.
What does it do?
Teradyne builds the machines that test computer chips before they end up in your phone, car, or laptop. Think of it like a quality control inspector on a factory line — except instead of checking bottles of ketchup, it's checking billions of microscopic transistors at lightning speed. Without Teradyne's equipment, chipmakers like Apple, Nvidia, and Samsung couldn't confidently ship the chips that power modern electronics. It also sells collaborative robots (called 'cobots') through its Universal Robots brand — small robotic arms that work safely alongside humans in factories.
Every AI chip, every smartphone processor, every electric vehicle controller has to be tested before it ships — and Teradyne is one of only two dominant players in that market globally. As AI drives a massive wave of new, more complex chip designs, the demand for sophisticated testing equipment is growing faster than it has in years. Investors see Teradyne as a picks-and-shovels play on the AI boom — meaning it profits from the gold rush without having to bet on which AI company wins.
How does it make money?
Teradyne makes most of its money — roughly 80% of revenue — from its Semiconductor Test division, which sells and services machines that chipmakers use to test chips at various stages of production. Customers like TSMC, Samsung, and Qualcomm pay millions per machine, and they also pay recurring fees for software and service contracts. The remaining revenue comes from its Robotics segment (Universal Robots and Mobile Industrial Robots), which sells collaborative robotic arms to manufacturers. Total revenue grew from $2.8B to $3.2B year-over-year, a 14% jump, with net income of $0.6B.
Why do investors care?
The bull story rests on two legs: AI chip complexity and robotics adoption. AI chips require far more rigorous testing than standard chips — they're bigger, denser, and far less tolerant of defects — which means chipmakers need more test time and more machines. For robotics, Universal Robots is targeting the massive market of small and medium-sized factories that can't afford full automation but can use affordable cobots. For things to go right, chip production cycles need to stay healthy, AI hardware spending needs to keep growing, and Teradyne needs to fend off its main rival, Advantest of Japan.
Deep Dive
MemberA full investor briefing on Teradyne, Inc. — history, leadership, risks, and outlook.