TER
Teradyne
Summary
What they do:
Build automated test equipment (ATE) — the machines that test every semiconductor chip after fabrication. Teradyne's systems validate functionality, performance, power delivery, and reliability before any chip ships. Also operates Universal Robots (collaborative robots) and a smaller industrial automation segment.
Why they matter:
Every chip must be tested. AI chips are larger, more complex, and far more expensive than prior generations — driving more test time per chip, more sophisticated test requirements, and more ATE spend. Teradyne and Advantest control ~80% of the global ATE market. Teradyne is the #2 player and is actively winning back share in high-end compute testing, estimated to capture ~40% of tester market for NVIDIA's Rubin-series GPUs.
Recent performance:
Q4 2025 revenue $1.083B, up 44% YoY. Full year 2025 revenue $3.19B, up 13% YoY. Non-GAAP EPS $3.96 for FY2025. AI-driven demand exceeded 60% of Q4 revenue and is expected to exceed 70% in Q1 2026. Stock up ~78% YTD in 2026.
Our Verdict
Established ATE duopoly play benefiting from AI chip complexity driving more test time per device — quality business at premium valuation with Advantest taking the larger share of AI-specific test.
Structural trends
Structural
81
/ 100
Moat
7/10
ATE duopoly + test program lock-in
AI Exp.AI Exposure
High~65% AI
Play Type
EstablishedAI Growth
25-35%
Rel. Value
25
PREMIUMPriceLIVE
$365.51
-1.25%
Live via Yahoo Finance · refreshes every 5 min
Market Cap
$57.2B
P/E Ratio
105.0
P/S Ratio
17.9x
52W High
$373.00
52W Low
$68.24
52W Chg
435.6%
Beta
1.79
Every semiconductor chip — whether a $40,000 NVIDIA GPU or a $2 microcontroller — must be tested after fabrication. The chip arrives from the foundry as a disc of etched silicon. Before it can ship, automated test equipment must verify that every transistor works, every interface runs at speed, every power rail delivers cleanly, and every die is sorted into the correct performance bin. This is what Teradyne does. Their machines sit at the end of the fab line and at outsourced assembly and test houses worldwide, running millions of measurements per chip at nanosecond precision.
Teradyne's Semiconductor Test segment is the core business, generating $883M of the $1.083B Q4 2025 revenue. Within that, SoC (system-on-chip) testing — which covers processors, GPUs, and AI accelerators — delivered $647M in Q4, up 47% sequentially. Memory test hit a record $206M, up 61% sequentially, driven by HBM demand. The company also operates Product Test (board-level and system-level test, $110M in Q4) and Robotics ($89M in Q4, including Universal Robots collaborative robots and MiR autonomous mobile robots). The robotics segment, while smaller, positions Teradyne at the intersection of AI and physical automation.
The ATE market is a duopoly. Advantest (Japan) and Teradyne together control roughly 80% of global semiconductor test equipment revenue, with smaller players like Cohu occupying niches. Advantest has historically held the leading position with NVIDIA's merchant GPU testing, but Teradyne has been in a "win-back" phase through 2025, gaining meaningful ground in high-end compute and HBM testing. The competitive dynamic matters: Advantest is not going away, but Teradyne's share trajectory is improving, not declining.
The company's long-term target model, unveiled alongside Q4 2025 results, envisions $6B in annual revenue (roughly 2x 2025 levels), 59-61% gross margins, 30-34% operating margins, and non-GAAP EPS of $9.50-$11.00. This is an aspiration, not a guide — but it frames how management sees the AI-driven test cycle playing out over the next several years.
Supply Chain Dependencies
Upstream Suppliers
The Catch
Teradyne is a cyclical capital equipment business trading at a growth-tech multiple. At ~50x forward earnings, the stock prices in not just the current AI test supercycle but its continuation and Teradyne's ability to hold or gain share within it. The core risk is not that the thesis is wrong — AI chips genuinely require more testing — but that the cycle is already well understood and well priced. ATE orders can turn quickly: fabs defer test equipment purchases within a single quarter when utilization softens. If hyperscaler capex moderates, or if Advantest defends its NVIDIA share position more effectively than expected, or if the semiconductor cycle simply mean-reverts in late 2026 or 2027, the stock has significant downside from current levels. The robotics segment adds narrative appeal but not yet earnings substance, and it consumes management attention and capital that could otherwise reinforce the core ATE franchise.
If They Win
If Teradyne successfully captures a larger share of AI chip testing — winning back NVIDIA compute test share, dominating the HBM test build-out, and becoming the preferred tester for the wave of custom ASICs from hyperscalers — then the company becomes the quality-control chokepoint for the entire AI chip supply chain. Revenue compounds toward the $6B target model. Gross margins expand to 60%+ as high-complexity AI test programs command premium ASPs. The installed base flywheel accelerates: more data from more AI chip tests improves Teradyne's yield correlation algorithms, which makes their systems more valuable, which locks in customers further. Universal Robots becomes a credible Physical AI platform as factory automation converges with AI-driven decision-making. Teradyne transitions from a cyclical equipment supplier to a structural AI infrastructure compounder — the testing equivalent of what ASML became for lithography.
Others in Build the Machines That Make the Chip
Not financial advice. All scores generated via AI algorithms using public data.