9434 on Tokyo Stock Exchange

SoftBank Mobile

Japanese telecommunication carrier.1

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Last updated Oct 16, 2026.

Overview

Oct 1984Founded1

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  • Ticker9434 on Tokyo Stock Exchange1
  • Industrymobile phone industry, telecommunications industry1
  • HeadquartersTokyo1
  • Websitewww.softbank.jp/en
  • Legal formkabushiki gaisha1
Portcity Takeshiba
Photo: Akonnchiroll, CC BY-SA 4.0, via Wikimedia Commons2

Subsidiaries and ownership

Parent company

Owners

  • SoftBank Group Japan GK 40.5%
  • The Master Trust Bank of Japan 10.7%
  • Custody Bank of Japan 3.8%

Subsidiaries

  • Agoop
  • INCUDATA

Also owns

From Wikidata.1

Acquisitions

  1. Apr 2023Acquired PayPay Securities Corporation1
  2. Oct 1, 2022Acquired PayPay1
  3. 2018Acquired Wireless City Planning1
  4. 2018Acquired ZETA1

Timeline

  1. 2018Went public Listed on Tokyo Stock Exchange1
  2. Jul 1, 2015Renamed Name changed to ソフトバンク株式会社1
  3. Oct 1984Founded Founded1

Sources

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

  1. 1
  2. 2