Mark Zuckerberg On Cusp Of Topping Warren Buffett With Facebook Share Hitting $200

Facebook Inc. co-founder Mark Zuckerberg came within a whisker of leapfrogging Warren Buffett as the world's third-richest person Wednesday. Zuckerberg, more than a half-century younger than the Berkshire Hathaway Inc. chairman, is now worth $81.6 billion, gaining $8.8 billion this year as Facebook shook off a data-privacy crisis that caused its stock to tumble 18 percent. Its rebound from a low of $152.22 on March 27 to close at a record $202 narrowed the gap with Warren Buffett to $29 million, according to the Bloomberg Billionaires Index.

The recovery in Facebook shares has rewarded other insiders as well, including Chief Operating Officer Sheryl Sandberg, who's now worth $1.8 billion, and Chief Technology Officer Michael Schroepfer, whose 0.05 percent holding is valued at $225 million.