ADVANTEST CORPORATION — Investor Relations & Filings
Advantest Corporation is a leading manufacturer of automatic test equipment (ATE) and measurement solutions for the semiconductor industry. The company designs, manufactures, and sells a comprehensive portfolio of products including semiconductor and component test systems, mechatronic systems such as test handlers and device interfaces, and electron beam (EB) systems used for fine exposure, processing, and measurement of silicon wafers and photomasks. These leading-edge systems are critical for ensuring the quality, reliability, and performance of semiconductor devices throughout the design and production process. Advantest's solutions enable the development of advanced technologies that power a wide range of applications, from high-performance computing and AI to automotive and consumer electronics.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 自己株券買付状況報告書（法２４条の６第１項に基づくもの） | 2026-05-15 | Japanese | |
| パフォーマンス・シェア・ユニット制度に基づく自己株式の処分の払込完了に関するお知らせ | 2026-05-07 | Japanese | |
| 自己株式の取得状況に関するお知らせ | 2026-05-07 | Japanese | |
| 訂正有価証券届出書（参照方式） | 2026-04-27 | Japanese | |
| 2025年度決算説明会資料 | 2026-04-27 | Japanese | |
| 譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ | 2026-04-27 | Japanese |
Browse filings by year
12 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46344718 | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） | 2026-05-15 | Japanese | ||
| 46881404 | パフォーマンス・シェア・ユニット制度に基づく自己株式の処分の払込完了に関するお知らせ | 2026-05-07 | Japanese | ||
| 46881399 | 自己株式の取得状況に関するお知らせ | 2026-05-07 | Japanese | ||
| 37352274 | 訂正有価証券届出書（参照方式） | 2026-04-27 | Japanese | ||
| 46879292 | 2025年度決算説明会資料 | 2026-04-27 | Japanese | ||
| 46879291 | 譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ | 2026-04-27 | Japanese | ||
| 46879289 | 事後交付型譲渡制限付株式ユニット制度に基づく自己株式の処分に関するお知らせ | 2026-04-27 | Japanese | ||
| 46879288 | 剰余金の配当(期末配当)に関するお知らせ | 2026-04-27 | Japanese | ||
| 46879287 | 2026年3月期 決算短信〔IFRS〕(連結) | 2026-04-27 | Japanese | ||
| 34544732 | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） | 2026-04-15 | Japanese | ||
| 33151723 | 訂正有価証券届出書（参照方式） | 2026-04-02 | Japanese | ||
| 33151718 | 訂正臨時報告書 | 2026-04-02 | Japanese | ||
| 33101599 | 有価証券届出書（参照方式） | 2026-03-31 | Japanese | ||
| 32952440 | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） | 2026-03-16 | Japanese | ||
| 12724725 | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） | 2026-01-15 | Japanese | ||
Market data
Market data not available
Price history
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ADVANTEST CORPORATION via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/11948/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11948 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=11948 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=11948 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 11948}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for ADVANTEST CORPORATION (id: 11948)"
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