What Advantest makes for data centers

public · HQ Japan · advantest.com

Advantest is a publicly listed company and based in Japan. It appears on 1 part of the AI data center — Semiconductor test & burn-in — in the role of manufacturer. That part sits in Layer 1 — Compute silicon & packaging. Its shares trade on Tokyo Stock Exchange as 6857.T.

Listing
Tokyo Stock Exchange: 6857.T· 32340 JPY -0.89% · mkt cap 23.35T JPY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.

Parts, by layer

Layer 1 — Compute silicon & packaging

PartRoleConfidenceCompetitorsNote
Semiconductor test & burn-inmanufacturerdisclosedAehr, Cohu, FormFactor, ISC, KYEC, Leenoand Teradyne (TER) testers

Where Advantest sits in the stack

Advantest's placements in this catalog cover 1 part, all in layer 1, compute silicon & packaging. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.

What these parts are

Closest peers in this catalog

Seen in real machines

Advantest is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.

Questions about Advantest

What does Advantest make for AI data centers?
This catalog places Advantest on 1 part: Semiconductor test & burn-in (manufacturer).
Is Advantest publicly traded?
Yes — Advantest is listed on Tokyo Stock Exchange under 6857.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
Where is Advantest based?
Japan, per the company record in this catalog.
Who else makes semiconductor test & burn-in for AI data centers?
Aehr, Cohu, FormFactor, ISC, KYEC and Leeno are also placed on Semiconductor test & burn-in in this catalog.
How well sourced are these placements?
Every part→company placement carries a confidence tag. For Advantest the mix is 1 disclosed. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.

Answers are generated from this catalog's own rows — see sources & method.

Verification: seeded.· Markdown · JSON