World's first trillionaire: SpaceX premium debut briefly hands Elon Musk historic status (opens original article in a new tab)

Elon Musk briefly became the world's first trillionaire as SpaceX shares surged during its Wall Street debut, though his net worth later dropped to $981 billion. The IPO marks a major milestone for Musk's business empire, positioning SpaceX among the largest US companies by market cap with a $28.5 trillion addressable market.

• Elon Musk briefly became the world's first trillionaire due to a surge in SpaceX shares during its Wall Street debut
• SpaceX's IPO ranks among the seven largest US listed companies by market cap and has a total addressable market of $28.5 trillion
• SpaceX is the first major AI company to go public, with OpenAI and Anthropic also preparing to enter the public market