Following this deal, the new company SpaceX–xAI was valued at approximately $1.25 trillion. The startup xAI, which became known for the chatbot Grok, is now part of Musk's ecosystem, significantly increasing his personal fortune.
According to Forbes, the deal boosted Musk's wealth by an impressive $84 billion, bringing it to a record $852.5 billion.
Thus, Musk significantly outpaced Larry Page, co-founder of Google, who ranks second in global wealth with a net worth of $281 billion, creating a gap of $578 billion.
The primary source of Musk's wealth is his stake in the combined SpaceX–xAI company, which is about 43%, equivalent to $542 billion. Additionally, he owns approximately 12% of Tesla shares, valued at $178 billion, as well as Tesla stock options worth $124 billion.
Over the past four months, Musk has set several historical records: in October 2025, he became the first person with a net worth of $500 billion, on December 15 he surpassed the $600 billion mark, and shortly thereafter his wealth exceeded $700 billion.
