San Francisco (CNN Business) Bill Gates is back on top.

Amazon AMZN On Friday, Gates surpassedCEO Jeff Bezos to reclaim the distinction of richest person in the world, with a net worth of $110 billion, according to the Bloomberg Billionaires Index

Microsoft MSFT It's the first time the co-founder ofhas held the top spot in over two years. He briefly topped Bezos last month after Amazon reported that its profit for the three months ending in September fell nearly 28% from a year earlier. But Gates' time at the top was short-lived.

Microsoft MSFT He has regained the lead becauseshares are up nearly 48% this year, which helped boost the value of his stake in the company. In October, Microsoft beat out Amazon for a $10 billion cloud-computing contract with the Pentagon, adding some additional drama to the Gates/Bezos wealth race.

Bezos, who this year paid out a significant portion of his Amazon stake in his divorce from his wife of 25 years MacKenzie Bezos, now sits at second with a net worth of $108.7 billion.