5. Stan Kroenke

Net worth: $5.3 billion

Stan Kroenke first purchased shares in Arsenal in 2007 and, four years later, completed a takeover when he bought out other high-profile shareholders to own a 62.89 percent stake.

Before buying Arsenal, Kroenke already owned Denver Nuggets of the NBA, Colorado Rapids of Major League Soccer, Colorado Avalanche and NFL franchise St Louis Rams.