SpaceX is preparing what is expected to be the largest IPO in history as NASA sends up the first Americans to the moon since the last Apollo flight in 1972.

April 1 (Reuters) - Elon Musk's SpaceX has confidentially filed for its hotly anticipated U.S. initial public offering, a person familiar with the matter told Reuters on Wednesday, taking space exploration from a speculative venture to a mainstream investment theme.

The Texas-based company could go public with a valuation of more than $1.75 trillion, making it the largest IPO in history.

The private aerospace company was formerly headquartered in Hawthorne, but still has a significant presence in the city after its headquarters were moved to Texas.

Elon Musk’s SpaceX has confidentially filed for an initial public offering, setting the stage for what could become the largest stock market listing on record, a person familiar with the matter told Reuters on Wednesday.

Elon Musk’s SpaceX has confidentially filed its IPO paperwork with the SEC, putting the company on track for a potential July listing that could raise between $40 billion and $80 billion. That would dwarf Saudi Aramco’s $29 billion debut in 2019 as the largest IPO ever.

Elon Musk’s space exploration company has filed preliminary paperwork to sell shares to the public, according to two sources familiar with the filing, a blockbuster offering that is likely to rank as the biggest ever and make its founder the world’s first trillionaire.

SpaceX could IPO with a valuation of around $1.5 trillion. Some reports indicate that the number could reach as much as $1.75 trillion. That would easily make it the largest offering ever. It's estimated SpaceX generated $16 billion in revenue in 2025, suggesting the valuation could be more than 100 times revenue.