A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. Stanley Kroenke owns the world's most valuable sports empire , including the NFL's Los Angeles Rams. Now the sports tycoon is also America's largest private landowner, according to the newly released Land Report. At 2.7 million acres, Kroenke's holdings are larger than Yellowstone