2148 on Tokyo Stock Exchange

ITmedia

ITmedia is a Japanese company based in Tokyo, founded in 1999.¹ It is part of SoftBank Group.¹ Its shares trade on Tokyo Stock Exchange under the symbol 2148.¹

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Last updated Oct 21, 2026.

Overview

Dec 1999Founded¹

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Ticker2148 on Tokyo Stock Exchange¹
Industryjournalism¹
HeadquartersTokyo¹
Websitewww.itmedia.co.jp
Legal formkabushiki gaisha¹

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Image: itmedia.co.jp²

Corporate structure

ITmedia is part of a group headed by SoftBank Group. 464 entities, 45 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

SoftBank Group 東京都港区, Japan
- Arm Holdings 100% · Cambridge, United Kingdom
  - Treasure Data Subsidiary
  - ARM LIMITED Subsidiary · Cambridge, United Kingdom
    - 2 more
- SoftBank Mobile 40.7% · 東京都港区, Japan
  - Agoop Subsidiary · Jingūmae, Japan
  - INCUDATA Subsidiary · Tokyo, Japan
  - CUBIC TELECOM LIMITED Subsidiary · Dublin, Ireland
  - SBパワー株式会社 Subsidiary · 東京都港区, Japan
- ITmedia Tokyo
- SB Global Advisers Ltd London, United Kingdom
  - SB GLOBAL ADVISERS CAPITAL MARKETS LIMITED Subsidiary · 100% · London, United Kingdom
- SB INVESTMENT ADVISERS (UK) LTD London, United Kingdom
  - SVF INVESTMENT ADVISERS (INDIA) PRIVATE LIMITED Subsidiary · Mumbai, India
  - SOFTBANK VISION FUND L.P. Fund · London, United Kingdom
- SB INVESTMENT ADVISERS (US) INC. San Carlos, California, United States
- SOFTBANK VISION FUND (AIV M1) L.P. Wilmington, Delaware, United States
- SOFTBANK VISION FUND (AIV M2) L.P. Wilmington, Delaware, United States
  - SVF Endurance (Cayman) Ltd George Town, Cayman Islands
  - SVF Pauling (Cayman) Ltd George Town, Cayman Islands
  - SVF Swift (Cayman) Ltd George Town, Cayman Islands
- Boston Dynamics Subsidiary · 100% · Waltham
- Fortress Investment Group Subsidiary · 100% · New York, New York, United States
  - Sogo & Seibu Subsidiary · 100% · Toshima
    - 1 more
  - Iconia Hospitality Subsidiary · Roppongi Hills, Japan
  - Revolution Studios Subsidiary · New York, New York, United States
  - Drawbridge Long Dated Value Fund II L P Fund · New York, New York, United States
- SB New Coronavirus Testing Center Subsidiary · 100% · Minato, Japan
- A Holdings Corporation Subsidiary · Minato, Japan
  - LY Corporation Subsidiary · Tokyo
    - 16 more
- CloudMinds Subsidiary
- Cybertrust Subsidiary · Tokyo
- Denen Subsidiary · Shinagawa, Japan
- doValue Subsidiary · Milan
  - 1 more
- GameBank Corp. Subsidiary
- GungHo Online Entertainment Subsidiary · 東京都, Japan
  - Acquire Subsidiary · Tokyo
  - Game Arts Subsidiary · Chiyoda
  - Gravity Corporation Subsidiary · Seoul
  - Broccoli Subsidiary · Japan
- HAPSMobile Subsidiary · Tokyo
- IDC Frontier Subsidiary · Tokyo, Japan
- LINE Financial Subsidiary · Bundang, South Korea
- LINE Pay Taiwan Subsidiary
- mybest Subsidiary · Tokyo
- Odds Park Subsidiary
- PayPay Card Corporation Subsidiary
- and 106 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

SoftBank Group

Owners

SB Media Holdings 52.8%

From Wikidata.¹

Timeline

Apr 19, 2007Went public Listed on Tokyo Stock Exchange¹
Dec 1999Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataITmedia on Wikidata
2
Company websiteITmedia photo