ADVANTEST CORP

ATEYY · OTC · SIC 3674: Semiconductors & Related Devices
226
SEC Filings
$190.57
Close 2026-07-30

Business Summary

Advantest Corporation designs, manufactures, and sells semiconductor test systems and measuring instruments. Its products include test systems for memory semiconductors (DRAM, LPDDR), non-memory semiconductors (application processors, CMOS image sensors, communications semiconductors, LCD drivers), and other electronic components. The company serves semiconductor manufacturers, fabless companies, foundries, and test houses globally, with significant operations in Japan, the U.S., and Europe.

Latest Stock Quote

ATEYY 2026-07-30 $190.57 O:$177.08 H:$192 L:$175.01 Vol:0.2M VWAP:$185.4574
origin leaf: null

226 total filings indexed. 226 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AMD — ADVANCED MICRO DEVICES INC ALGM — ALLEGRO MICROSYSTEMS, INC. AOSL — ALPHA & OMEGA SEMICONDUCTOR Ltd AMBA — AMBARELLA INC AMKR — AMKOR TECHNOLOGY, INC. ADI — ANALOG DEVICES INC AMAT — APPLIED MATERIALS INC /DE AAOI — APPLIED OPTOELECTRONICS, INC.

Tags

memory-semiconductors non-memory-semiconductors communications-semiconductors mobile-devices personal-computers data-servers consumer-electronics automotive-semiconductors

Company Identity

CIK0001158838
TickerATEYY
ExchangeOTC
SIC3674: Semiconductors & Related Devices
IncorporatedM0

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This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 901877ae6138afc81ef06e5db828cbd292281c2064ec1f99046155e4bbb66b5e
parent: root
content hash: e06d3af2413068a4b3cf16b441946e786b8090c8cb02a0c52a99fd6406d43ffb
signed: 2026-08-10T19:00:59.896Z
sources: 0 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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