Total assets of NBA owners

Four out of the 30 NBA team owners have a net worth exceeding $10 billion: Robert Pera ($14.4 billion), Jody Allen ($20.3 billion), Dan Gilbert ($22 billion), and Steve Ballmer (over $100 billion). 

Ballmer's wealth comes from his co-founder role at Microsoft. His net worth is higher than the other owners combined. Joseph Tsai, owner of the Nets, has a net worth of $8.9 billion, ranking sixth. 

Peter Holt, the Spurs owner, has the lowest net worth of $200 million. Jeanie Buss, owner of the Lakers, relies on their success for wealth. 

Joe Lacob started with nothing and now has a net worth of $1.2 billion as the owner of the profitable Warriors.