John Mara and Steve Tisch have been in control of the Giants organization since 2005. The Mara family has held an ownership stake in the franchise since its creation in 1925. Timothy Mara was the founding owner. Since 1991, the team has been split 50-50 between the Mara and Tisch families.

Former New York Giants quarterback Eli Manning is putting together an investment group to bid for a piece of the National Football League team, according to people with knowledge of the matter.