One recent winner: Early last year Royce bought into ESS Technology, when the stock was in the single digits, more than 50% off its previous high.

FORBES: About Charles "Chuck" Royce

According to The San Jose Mercury News, Milner bought the property in Los Altos Hills with a combination of cash and pre-IPO Facebook shares, from Fred Chan, the founder of ESS Technology.

FORBES: Morning Tech Wrap: RIM, Kodak, Google