Parcells used to own several thoroughbreds and Cox owns horses too, according to Parcells.
Cox operates 21 cable systems, publishes 18 daily newspapers and owns or operates 20 radio and television stations.
Cox, which is private, would own the balance of stock and have a controlling stake.
Atlanta-based Cox also owns newspapers, other television stations and radio stations.
The Atlanta-based Cox, which owned 12.5 percent, will now own 50.1 percent and get the right to name the majority of Teleport's 11-member board.
At one point, Cox owned 1.4 percent of Blockbuster's stock.
Cox also owned a lobster factory and operated a farm near Morell.
The Coxes owned only 16 slaves, and appeared to value Fuller the most; he expressed gratitude for not being sold.
Cox owns The Atlanta Journal and Constitution and 15 other papers.
Cox also would own about a third, and the three other founders, along with some other employees, would have the rest.