

Teradyne vs AST SpaceMobile
Semiconductor test equipment and industrial robotics provider vs Publicly traded company. Which is the better buy for your portfolio in September 2026? Plain-English answer below.
Teradyne builds precision semiconductor test equipment that every chipmaker needs, while AST SpaceMobile is betting billions that it can deliver direct-to-device cellular coverage from low-earth orbit. Both operate in the technology sector, but one prints consistent cash and the other is pre-revenue with an enormous capital appetite. The Teradyne vs AST SpaceMobile comparison contrasts a proven industrial technology compounder with a moonshot connectivity play, examining how their financial profiles, risk factors, and market opportunities diverge.
Teradyne builds precision semiconductor test equipment that every chipmaker needs, while AST SpaceMobile is betting billions that it can deliver direct-to-device cellular coverage from low-earth orbit...
Why It’s Moving

Teradyne’s AI Test Momentum Accelerates Despite Recent Market Dip
- Iris 100 Launch: Teradyne introduced the Iris 100, a production-ready test platform for microLED devices used in optical data interconnects within AI data centers, expanding its optical portfolio.
- Strategic Partnership: The company announced a multi-year collaboration with GS Microelectronics (GSME) to establish a state-of-the-art semiconductor test center aimed at accelerating time-to-market for hyperscaler AI and automotive clients.
- Market Performance: Shares settled at $389.14 after a -2.4% daily change, reflecting a dip that was more significant than the broader market movement during the latest trading session.

Teradyne’s AI Test Momentum Accelerates Despite Recent Market Dip
- Iris 100 Launch: Teradyne introduced the Iris 100, a production-ready test platform for microLED devices used in optical data interconnects within AI data centers, expanding its optical portfolio.
- Strategic Partnership: The company announced a multi-year collaboration with GS Microelectronics (GSME) to establish a state-of-the-art semiconductor test center aimed at accelerating time-to-market for hyperscaler AI and automotive clients.
- Market Performance: Shares settled at $389.14 after a -2.4% daily change, reflecting a dip that was more significant than the broader market movement during the latest trading session.
Investment Analysis

Teradyne
TER
Pros
- Teradyne reported robust Q3 2025 revenue of $769 million, marking a 4% increase year-over-year, driven primarily by strong semiconductor test demand.
- The company benefits from sustained AI-related demand in compute and memory sectors, expected to grow further in Q4 2025.
- Teradyne has a diverse product portfolio including semiconductor test, product test, and robotics, supporting resilience and growth potential.
Considerations
- Despite strong recent performance, Teradyne's stock trades at a high P/E ratio near 68, indicating a potentially expensive valuation relative to earnings.
- Analyst price targets show significant variance with an average target suggesting a potential near-term price decline around 20%, reflecting some market caution.
- The company faces cyclicality risks tied to semiconductor industry demand fluctuations and technological shifts which could impact future results.

AST SpaceMobile
ASTS
Pros
- AST SpaceMobile is pioneering the development of space-based cellular broadband, targeting a large and potentially underserved global market.
- The company's innovative technology aims to provide direct-to-cellphone satellite connectivity, potentially disrupting traditional telecom infrastructure.
- Strategic partnerships and regulatory progress are advancing AST SpaceMobile’s commercial deployment of its constellation and service offerings.
Considerations
- AST SpaceMobile is currently pre-revenue and heavily reliant on successful satellite launches and deployments to realise commercial viability.
- The business model faces high execution risks including technical challenges, funding requirements, and competitive pressures from established telecom and satellite providers.
- Significant regulatory and spectrum licensing hurdles remain, which could delay or restrict rollout and affect growth timelines.
Teradyne (TER) Next Earnings Date
Teradyne (TER) is currently expected to report its next earnings on October 27, 2026. The report is expected to cover the third quarter of fiscal 2026, ending in September. This date remains an estimate, as Teradyne had not confirmed the release schedule as of September 21, 2026.
Teradyne (TER) Next Earnings Date
Teradyne (TER) is currently expected to report its next earnings on October 27, 2026. The report is expected to cover the third quarter of fiscal 2026, ending in September. This date remains an estimate, as Teradyne had not confirmed the release schedule as of September 21, 2026.
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