SoftBank Group Corp.の内部者の所有権は30.17%です。
管理の所有権(Insider Ownership)は、発行済株式総数で除したインサイダー（5％超を所有する株主または取締役または役員) が所有する株式総数によって計算されます。
A high value of insider ownership means that those working for the company have a large stake in the success of the company. This is sometimes seen as a sign that those running the company will work hard to ensure its success or believe the company's stock price will rise.
A change in insider ownership may come from exercise of option, stock grant and buying or selling of company shares. A purchase of company share signifies a confidence in the company's future performance by people who know the company best. Therefore, Net Insider buying is also an important indicator for investors.
SoftBank Group Corp. provides telecommunication services in Japan and internationally. The company operates through four segments: Investment Business of Holding Companies; SoftBank Vision Fund and Other SBIA-Managed Funds; SoftBank; and Arm. It offers mobile communications, broadband, and fixed-line communications services; and sells mobile devices. The company is also involved in internet advertising marketing, online advertising distribution, e-book distribution, investment, and planning and operation of a fashion e-commerce website; and designs and develops mobile robots. In addition, it designs microprocessor intellectual property and related technology; sells software tools; and generates, supplies, and sells electricity from renewable energy sources, as well as offers related services. Further, the company provides investment management and marketing services, smartphone payment services, PC software downloads, banking services, and solutions and services for online businesses; distributes video, voice, and data content; manufactures, distributes, and sells IT-related products, as well as IT-related services; and manages funds. The company operates a professional baseball team, as well as manages and maintains baseball stadium and other sports facilities; and operates ITmedia, an IT information site. It also operates the fashion online shopping website ZOZOTOWN. The company was formerly known as SoftBank Corp. and changed its name to SoftBank Group Corp. in July 2015. SoftBank Group Corp. was incorporated in 1981 and is headquartered in Tokyo, Japan.