Elon Musk Now Holds World Record , for Greatest Loss of Wealth.br 'Forbes' reports that Musk's net worth went from $320 billion in 2021 to $138 billion in January 2023.br Plummeting Tesla shares br accounted for much of the drop. .br Those shares fell even more after Musk acquired Twitter for $44 billion.br Those shares fell even more after Musk acquired Twitter for $44 billion.br According to the Guinness World Records, the $182 billion to $200 billion Musk lost is the "largest loss of personal fortune in history.".br Softbank founder and CEO Masayoshi Son previously held the record for losing $58.6 billion in 2000.br Musk is now the second-richest person in the world.br Bernard Arnault, co-founder and br CEO of LVMH, is now the richest.