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As of September 2025, the ranking of the world’s richest person has seen a dramatic shift, largely driven by stock market moves, corporate performance (especially in cloud computing and AI), and changes in wealth estimates from major indices like Bloomberg and Forbes.

Key Players

Larry Ellison – Co-founder, executive chairman & chief technology officer of Oracle Corporation.

Elon Musk – Leader in multiple tech and space ventures (Tesla, SpaceX, xAI, etc.). He has been, for much of recent years, at or near the top of world richest person rankings. 

Recent Shift: Ellison vs Musk

Larry Ellison recently overtook Elon Musk to become the world’s richest person, according to Bloomberg. His net worth spiked to about US$393 billion, surpassing Musk’s estimated US$385 billion. 

The trigger for Ellison’s leap was a surge in Oracle’s stock after a strong earnings report (especially in its cloud and AI infrastructure business). 

However, these rankings are very fluid: different sources (Bloomberg, Forbes, etc.) use different assumptions (valuation of private companies, shareholdings, etc.), so there’s sometimes disagreement about exactly who is number one at any given moment. 

Larry Ellison Net Worth & Profile

Net Worth: ~US$393 billion, according to Bloomberg when he took the top spot. 

Source of Wealth: Majority from Oracle, especially from its growing cloud infrastructure and AI business. He owns roughly ~40-41% of Oracle. 

Background: Lawrence Joseph “Larry” Ellison was born in 1944, co-founded Oracle in the late 1970s. He served as CEO until 2014, and now is executive chairman & CTO. 

Other Notes: He owns most of the Hawaiian island of Lānaʻi, is known for a lavish lifestyle, has made significant moves into AI/cloud contracts for Oracle recently. 

Elon Musk Net Worth & Profile

Net Worth: In many listings, still extremely high. Estimates vary: some sources place him between US$380-440 billion depending on how private company valuation and share price changes are handled. 

Source of Wealth: Tesla (electric vehicles), SpaceX (aerospace/launches & Starlink), AI ventures, X (formerly Twitter), etc. His net worth is highly volatile because much of it depends on stock valuations and performance of companies in fast-changing sectors.