
Masayoshi Son is a Japanese entrepreneur, investor, and philanthropist. A Zainichi Korean, he is the founder, chairman and chief executive of SoftBank Group (SBG), a technology-focused investment holding company, as well as chairman of UK-based Arm Holdings and US-based Stargate LLC.
Does Masayoshi Son deserve the #1 spot on “Top 10 Biggest Fortunes Lost in History: Billions Gone Overnight”?
Best Rank
#1
top 3 in 1 list
Avg Position
#6.7
across 3 lists
Community
Divisive Pick
ranked #1 to #10
Ranked #1 on "Top 10 Biggest Fortunes Lost in History: Billions Gone Overnight". Cast your vote to back or challenge this spot.
Be the first to vote on this ranking.
Most Argued About
“Top 10 Most Complex Family-Controlled Corporate Dynasties (2026)”
Ranks as high as #1 on some lists — but only #10 here. Fans are divided.
See the debate →The Internet's Surprise Pick
“Top 10 Biggest Fortunes Lost in History: Billions Gone Overnight”
Climbed to #1 — a narrowly contested win.
See the full ranking →