SpaceX has announced plans for a secondary share sale that could elevate its valuation to an eye-popping $800 billion. This figure represents a significant increase from its most recent valuation of $400 billion, positioning SpaceX as the most valuable private company in the United States, surpassing OpenAI, which is currently valued at $500 billion. The Wall Street Journal reported on these developments, though details regarding the scale of the offering remain unclear, and SpaceX has yet to respond to requests for comment.
This surge in valuation underscores a growing trend in private markets where mega-valuations are becoming increasingly commonplace. Other notable companies such as Anthropic have also seen rapid increases in their market value, reportedly rising to $350 billion after major investments from tech giants like Microsoft and Nvidia. This represents a remarkable jump from just $183 billion just months earlier.
The ability for companies like SpaceX to achieve valuations comparable to those in public markets without actually going public is largely facilitated through secondary sales. Such transactions allow companies to provide liquidity to shareholders while avoiding the heightened scrutiny associated with quarterly earnings reports that publicly traded companies face.
Founded in 2002, SpaceX has established itself as a leader in commercial rocket launches, pioneering innovations in space technology. The company also operates Starlink, a satellite internet service that has garnered over 8 million customers worldwide as of November. The anticipated launch of this secondary share sale appears to reflect the sustained investor confidence in SpaceX’s growth potential and overall market position.

