Guwahati, Sept. 11 -- Oracle co-founder Larry Ellison has become the world's richest person for the first time, overtaking Elon Musk after a historic surge in his net worth.

Ellison's fortune increased by $101 billion in a single day following Oracle Corp.'s strong quarterly results, driving its stock to record highs. As of 10:10 am in New York, Bloomberg Billionaires Index reported Ellison's net worth at $393 billion, surpassing Musk's $385 billion.

The one-day increase marks the largest single-day gain in the index's history.

At 81, Ellison continues to serve as Oracle's chairman and chief technology officer, with the majority of his wealth tied to the software company. Oracle's stock, which has already risen 45% in 2025, jumped anot...