Malone owns Silver Spur Ranches, a ranching and beef company which includes the Silver Spur Ranch in Encampment, Wyoming, Bell Ranch and the TO Ranch in New Mexico as well as ranches in Walden, Colorado and Kiowa, Colorado. As of 1 February 2011, he has surpassed Ted Turner as the largest individual private landowner in the US, owning 2,100,000 acres (8,500 km) of land, most of which is in Maine. His international real estate holdings include Humewood Castle and Castlemartin House and Estate, both in Ireland.