Investor Relations

Stock Information

Basic Information (As of September 30, 2025)

Corporate Name TDK Corporation
Corporate Headquarters 2-5-1 Nihonbashi, Chuo-ku, Tokyo, 103-6128, Japan
Map（PDF:684KB）
Date of Establishment December 7, 1935
Total Number of Shares Authorized to Be Issued by the Company 7,200,000,000 shares
Total Number of Issued Shares 1,943,859,885 shares
Number of Shareholders 50,435
Common Stock 32,641,976,312 yen
Securities Traded Tokyo Stock Exchange 
Ticker Symbol TTDKY
Number of Employees (Consolidated) 111,673

Status by Ownership (As of September 30, 2025)

Principal Shareholders (Top 10 Largest Shareholders) (As of September 30, 2025)

Name of shareholder Number of shares held
(thousands of shares)		 Percentage of shares held
(%)
1. The Master Trust Bank of Japan, Ltd.(Trust account) 511,407 26.95
2. Custody Bank of Japan, Ltd.(Trust account) 238,997 12.59
3. JP MORGAN CHASE BANK 385632 48,263 2.54
4. STATE STREET BANK AND TRUST COMPANY 505001 40,602 2.14
5. STATE STREET BANK WEST CLIENT - TREATY 505234 40,028 2.11
6. STATE STREET BANK AND TRUST COMPANY 505301 39,807 2.10
7. CITIBANK,N.A. -NY, AS DEPOSITARY BANK FOR DEPOSITARY SHARE HOLDERS 37,449 1.97
8. GOVERNMENT OF NORWAY 31,072 1.64
9. HSBC HONGKONG-TREASURY SERVICES A/C ASIAN EQUITIES DERIVATIVES 30,951 1.63
10. JP MORGAN CHASE BANK 385781 27,825 1.47
  1. (Notes)
  2. 1. The percentage of shares held is calculated deducting 45,908,650 shares of treasury stock.
  3. 2. Number of shares held and percentage of shares held have been rounded to the nearest unit.
  4. 3. Treasury Stock is excluded from the largest shareholders above.

ADR Information

Type Level 1 with sponsorship
ADR Ratio 1 Common Stock = 1 ADR
Ticker Symbol TTDKY
CUSIP 872351408
Depositary Bank Citibank, N.A. Shareholder Services
P.O. Box 43077
Providence, Rhode Island 02940-3077
U.S.A.
Tel : 1-877-248-4237 CITI-ADR (toll free)
Tel : 1-781-575-4555 (out of U.S.)
Fax : 1-201-324-3284
Internet : http://www.citi.com/adr
E-mail : citibank@shareholders-online.com