Masayoshi Son, founder and CEO of Japanese multinational investment company SoftBank Group,has an estimated net worth of $17 billion, according to Bloomberg. Son has a 29% stake in Softbank.

Son has a net worth of $34.1 billion as of 2025, according to Forbes. During the dot-com crash, he reportedly lost about $70 billion of his total $78 billion fortune.

A two-day wipeout in shares of SoftBank Group Corp. has cut $2.6 billion off the fortune of its founder Masayoshi Son, as the tech investor is buffeted by the Bank of Japan’s earlier-than ...

If Son is right about artificial general intelligence, and the market even approaches the $9 trillion figure he mentioned, Arm and Nvidia will both be big winners, and there will be plenty of others.

SoftBank Group Corp. ’s flagship Vision Fund has quietly sold off or written down billions of dollars’ worth of its publicly-listed holdings in recent years, a sign of founder Masayoshi Son ...

Masayoshi Son, founder and CEO of Japanese multinational investment company SoftBank Group,has an estimated net worth of $17 billion, according to Bloomberg. Son has a 29% stake in Softbank.