SpaceX's IPO swells to $85.7B in the biggest public offering ever

What's the deal? SpaceX has expanded its initial public offering to $85.7 billion raised, making it the largest IPO in history. The rocket and satellite company founded by Elon MuskDealroom has a profile for this one. Try Dealroom → has shattered previous records as it transitions from a privately held juggernaut to a publicly traded one. The company had initially raised $75 billion before underwriters exercised their option to purchase the maximum number of additional shares.

Why now? SpaceX has spent years building revenue through its Starlink satellite internet service and its dominant position in the commercial launch market. The company's valuation has climbed steadily in private markets, and investor appetite for the stock appears to have driven the offering well beyond its initial target. SpaceX has said it plans to extinguish around $20 billion in legacy debt and to fund AI compute infrastructure, launch infrastructure and Starlink.

What could go wrong? Public market scrutiny brings new pressures. SpaceX will now face quarterly earnings expectations, greater regulatory disclosure requirements, and the volatility that comes with a retail investor base. Elon Musk's involvement in multiple ventures — and in politics — could also introduce headline risk that private investors were more willing to absorb.

The company's ambitious Starship programme, while promising, remains capital-intensive and technically risky. Any high-profile launch failure could hit the stock hard in ways it wouldn't have as a private company.

The signal: An $85.7 billion IPO reflects both SpaceX's extraordinary business and the broader market's hunger for large-scale tech offerings. After years of major companies staying private longer, this listing could encourage other late-stage giants to test the public markets. It also cements the space economy as a mainstream investment category rather than a niche bet.

Read more: TechCrunch