Terms of the divorce are not known and it's unclear if there was a prenuptial agreement in place at the time of marriage.
Virtually all of that is tied up in the almost 79 million shares of Amazon stock (currently worth about $US130 billion) that Bezos owns, translating into a 16 per cent stake in the Seattle company. The business man also owns the Washington Post.
Jeff Bezos and wife MacKenzie Bezos have been together for 25 years.
Jeff Bezos owns a 16 percent stake of Amazon and is the company's top individual shareholder, according to regulatory filings.
The couple went on to have four children.
Some Twitter users couldn't resist taking a dig at the company's allegedly low wages and conditions for workers. While Oracle Corp.'s Larry Ellison has been through multiple divorces, none has affected his stake in the software maker.
Washington state also mandates a 90-day cooling off period between the day a couple initially files for divorce, and the soonest it can be finalized by a judge.
"They have duties not to waste or devalue marital resources, and to keep the value of marital property as high as possible", she said. "Especially in the case of a public company, they're not going to want information to leak because it could ultimately affect stock prices". And Amazon followed Apple to become the second-ever USA company to reach a $1 trillion valuation although the company has since dropped back to a $791 billion market cap .
A divorce could reshape the wealth rankings.
But in the end, no news in the United States nowadays can do without Donald Trump.
They first met at a New York City hedge fund where they both worked in 1992, and married six months later. The news comes three days before the mogul's 55th birthday. "She had told Patrick that she has been recently seeing Jeff Bezos".
Under Mr Bezos, Amazon launched the Kindle e-reader and revolutionised the way books are distributed and read. It also has become a leader in the voice-activated speakers in Echo, which is emerging as a command center for internet-connected homes while also making it easier for people to buy more stuff from Amazon.