SpaceX floated on the Nasdaq stock exchange on Friday, with shares trading 25% above the opening price at one point. The IPO has made Musk the world's first trillionaire, at least on paper.

Rocketmaker SpaceX began trading on the Nasdaq Friday, boosting Musk’s fortune to an estimated $1.1 trillion.

Elon Musk SpaceX IPO Stock Live Updates: The much-awaited SpaceX IPO, priced at $135 a share, has lifted Elon Musk's net worth to roughly $982 billion, according to Forbes…

Musk's fortunes were boosted from $813 billion to over $1 trillion, sending SpaceX into the ranks of the world's most valuable companies.