SoftBank Faces Record Loss as Masayoshi Son’s Bets Tumble Again

Billionaire Masayoshi Son is poised to set another record -- and not the good kind. When he reports earnings for the March quarter Thursday, SoftBank Group Corp.’s Vision Fund investment unit may have lost more money in one quarter than it ever has before.

The world’s largest tech fund is estimated to have lost about $18.6 billion on its public portfolio alone during the quarter ended Mar. 31, even greater than the record $18.3 billion drop marked in the fiscal second quarter, according to Kirk Boodry, an analyst at Redex Research who publishes on SmartKarma. That would mean ...