Share Information

As of June 30, 2025

Ownership Information

Capital 32,363 million yen
Common Stock Issuable shares : 1,760,000,000
Issued shares : 766,141,256
Number of Shareholders 85,552
Stock Exchange Listings Tokyo Stock Exchange, Prime Market (Securities Code: 6857)
Fiscal Year April 1 through March 31
Ordinary General Meeting of Shareholders Within 3 months after the record date for voting rights (May 15)
Record Dates Year-end dividend: March 31
Ordinary general meeting of shareholders: May 15
Interim dividend: September 30
TSE Trading Unit 100
Method of Public Notice Electronic Reporting on the below site.

Electric Public-notice (Japanese only) https://www.advantest.com
In the event that electronic public notices cannot be provided due to accidents or other unavoidable circumstances, public notice shall be given in the Nihon Keizai Shimbun.

Share Registration Agent
The Firm Responsible for Administering Special Account
Mitsubishi UFJ Trust and Banking Corporation
Contacts Mitsubishi UFJ Trust and Banking Corporation
Corporate Agency Division
1-1, Nikkocho, Fuchu-shi, Tokyo 183-0044, Japan
TEL: +81-42-303-9800
0120-232-711 (Toll free number in Japan)

Administrative Procedures Regarding Shares

  • Please inform the securities firm at which you hold an account of changes of address, demands for sales and purchases of fractional shares or other various services.
  • Any unpaid dividends shall be paid out by Mitsubishi UFJ Trust and Banking Corporation, which is the administrator of Advantest's shareholder registry.

Information on ADRs

Ticker Symbol ATEYY
CUSIP Number 00762U200
Exchange OTC (Over-the-counter)
Ratio (ADR:ORD) 1:1
Depositary JPMorgan Chase Bank, N.A.
383 Madison Avenue, Floor 11
New York, New York 10179, U.S.A.
https://www.adr.com/drprofile/00762U200

(Queries)
Please click the following link to view information:

https://www.adr.com/contact/jpmorgan
Local Custodian Bank Mizuho Bank, Ltd.

Report of Organizational Actions Affecting Basis of Securities (Form8937)

Breakdown of Shareholders

Financial Institutions and Securities Companies 105 holders 346,105 thousand shares(45.18%) Other Entities and Treasury Shares 611 holders 39,143 thousand shares(5.11%) Non-Japanese Holders 1,576 holders 335,566 thousand shares(43.80%) Individuals and Others 83,259 holders 45,332 thousand shares(5.91%)

Major Shareholders

Rank Name Number of Shares (in thousand) Percentage of Ownership (%)
1 The Master Trust Bank of Japan, Ltd.(trust account) 225,419 30.80
2 Custody Bank of Japan, Ltd. (trust account) 96,648 13.20
3 STATE STREET BANK AND TRUST COMPANY 505001 21,826 2.98
4 STATE STREET BANK WEST CLIENT — TREATY 505234 17,909 2.44
5 THE BANK OF NEW YORK MELLON 140042 16,870 2.30
6 HSBC HONGKONG—TREASURY SERVICES A/C ASIAN EQUITIES DERIVATIVES 12,109 1.65
7 JP MORGAN CHASE BANK 385781 10,986 1.50
8 GOVERNMENT OF NORWAY 10,463 1.42
9 STATE STREET BANK AND TRUST COMPANY 505103 7,328 1.00
10 MOXLEY & CO LLC 6,824 0.93

(Notes)

  1. 1.
    The number of treasury shares is 34,429 thousand.
  2. 2.
    Number of Shares is rounded down to the nearest thousand.
  3. 3.
    Percentage of Ownership is calculated excluding treasury shares.
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