Forbes 400 Full List 2024 Usa. Forbes just released its forbes 400, a list of famous billionaires in the united states with a minimum net worth of $3.3 billion, and several massachusetts residents made. After adding nearly $1 trillion to their fortunes over the past 12 months, the forbes 400 are worth a collective $5.4 trillion, by far.

Karp joins forbes’ list of the richest americans for the first time, thanks to his data mining firm’s massive year. It’s a good year to be a member of the forbes 400.