The richest sports-team owner is Microsoft co-founder Paul Allen of the Portland Trail Blazers and the Seattle Seahawks. Allen is the 26th-richest American and is worth $15.8 billion, according to Forbes.
The list features more NFL owners than any other league.
There are 14 NFL owners in the top 400 Richest Americans, including Allen, Stan Kroenke (Rams, $5.3 billion), Stephen Ross (Dolphins, $4.8 billion), Malcolm Glazer (Buccaneers, $4.5 billion), Shahid Khan (Jaguars, $3.8 billion), Jerry Jones (Cowboys, $3 billion), Robert Kraft (Patriots $2.9 billion).
The richest NBA owner is Orlando Magic owner Rich Devos, who comes in at No. 60 on the list with a net worth of $6.8 billion.
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