Jeff Bezos briefly loses his position as the world's second-richest person to Oracle's Larry Ellison.

• Since 2021, Oracle's stock has had its best week, following a better-than-expected earnings report and optimistic guidance for the next fiscal year.
• The net worth of Chairman Larry Ellison has increased due to the rally, momentarily surpassing Amazon founder Jeff Bezos, who is second only to Elon Musk.
• Oracle and Amazon announced a cloud partnership earlier this week.

Since 2021, the stock market has had its best week, increasing Chairman Larry Ellison's net worth and briefly surpassing founder Jeff Bezos as the world's second-richest person on Friday.

After the market opened, Ellison's net worth was $208.4 billion, but it fell to $199 billion shortly after. According to Forbes' real-time billionaires list, Bezos, who has held the title of world's second-richest person on and off, is currently worth $205 billion. Only Musk, at $252 billion, is worth more.

On Friday, Oracle's shares increased by 1.2% to $163.38 after the company raised its fiscal 2026 revenue guidance and presented an optimistic outlook for fiscal 2029. Oracle disclosed the forward-looking revenue figures at its annual CloudWorld conference in Las Vegas.

On Tuesday, the stock price increased by 11% after the company's quarterly results exceeded expectations. Currently, Oracle shares are experiencing a 56% increase in value this year, making them the second-best performing large-cap tech stock, behind only AI chipmaker.

Oracle, founded in 1977 by Ellison, has experienced significant growth and Ellison has benefited the most with his 40% ownership of the outstanding stock. The recent revival of the company is attributed to its success in cloud infrastructure and the increasing adoption of its cloud databases.

On Monday, Oracle announced that its database software will be accessible to AWS customers on Oracle hardware located in Amazon data centers, three days after Bezos and Ellison engaged in a competition for the title of the world's second-richest person.

In the past year, Oracle has formed partnerships with two other leading cloud infrastructure companies, and. During the recent earnings call, Ellison stated that Oracle is now well-positioned in both the cloud and traditional data centers.

"Ellison stated on the call that it is crucial to be able to run AWS, Microsoft, and Google with Oracle Database. This will significantly accelerate database growth in the public cloud. However, he expects private clouds to outnumber public clouds as companies prioritize having the Oracle Cloud behind their firewall, in their datacenter, with no neighbors."

— CNBC's Jordan Novet and Ari Levy contributed reporting.

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