Have you checked the newest "Forbes 400: The Full List of The Richest People in America" yet?
Surprise, Bill Gates, with a net worth of $81 billion, is ranked No. 1 for the 23rd year running. Meanwhile, his friend Warren Buffett fell to third place for the first time in 15 years with a net worth of $65.5 billion.
Thanks to soaring stock prices of hot tech firms, CEOs at the helm of those companies seem to have been accumulating wealth at a much faster pace than others. Amazon.com CEO Jeff Bezos gained $20 billion to boost his net worth to $67 billion, making him the second-richest person in the U.S.
Facebook CEO Mark Zuckerberg jumped into fourth place, his highest rank ever, with a net worth of $55.5 billion. However, Oracle founder Larry Ellison landed at No. 5 for the first time since 2007. His net worth is $49.3 billion.
Standing on the No. 6 spot is former New York City Mayor Michael Bloomberg, CEO of the eponymous firm Bloomberg L.P., who has a net worth of $45 billion.

These six richest multi-billionaires have a combined $363.3 billion at their withdrawal, most of which is still held as stakes in the companies they founded. However, part of their fortune is vested in real estate. Mr. Gates, for one, owns a Washington mansion worth about $170 million, several horse ranches across the U.S. and shares in some luxury hotel chains through his private investment firm,