The sports team owners on the new Forbes 400 list are worth a combined $389 billion, up 41% over the past year.Owning a professional sports team in the U.S. has proven to be a solid investment, and this past year was no exception. But for many of the billionaire sports team owners on the newly released 2021 Forbes 400 list of richest Americans, large increases in their fortunes have come from investments outside of sports. The combined fortune of the 43 Forbes 400 members who own controlling stakes in major sports teams is up a staggering 41%, to $389.2 billion, over the past year.Steve Ballmer leads the way as the richest team owner for the seventh straight year, with a net worth of $96.5 billion, up $27.5 billion from a year ago. A former Microsoft executive who led the company as CEO from 2000 to 2014, Ballmer still owns a stake in the tech giant, shares of which rose 33% in the last year. The same year he retired, he purchased the Los Angeles Clippers for $2 billion. The team is wo...
