Elon Musk SpaceX IPO: Elon Musk is on the cusp of becoming the world's first trillionaire as SpaceX prepares for its massive $75 billion IPO. With SpaceX valued at $1.77 trillion, Musk's stake could surge, potentially pushing his net worth past the $1 trillion mark. This historic event hinges on the market's reception of the rocket giant's debut.