Elon Musk becomes first person ever worth over $800 billion

February 5, 2026

TL;DR

SpaceX acquired xAI, another company founded by Elon Musk.
The combined company is valued at $1.25 trillion, adding $84 billion to Musk's fortune.
Musk's stake in the merged entity is estimated at 43%, valued at $542 billion.
SpaceX is now Musk's largest asset.
This is the second merger of Musk's companies in under a year (xAI and X social media merged in March 2025).
Musk has set four net worth records in four months, surpassing $700 billion.
He is now $578 billion richer than the world's second-richest person, Larry Page.

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