SpaceX's highly anticipated IPO filing has arrived, revealing a company that has evolved far beyond its initial focus on reusable rockets. Founded by Elon Musk 24 years ago, SpaceX is now a technology powerhouse with a diverse portfolio, including satellites, AI, and a mission to make humans multi-planetary. The filing, posted after markets closed on Wednesday, showcases a company with a market cap that could rival Nvidia's $5.4 trillion valuation, making it one of the most valuable publicly traded companies. With a potential valuation of $1.75 trillion and an expected $75 billion in funding, SpaceX's IPO is set to be the largest ever.
The S-1 filing provides an in-depth look at SpaceX's business, detailing its risks and ambitions. The company's Starlink satellite internet service dominates its revenue, generating over half of its $18 billion in revenue last year. However, SpaceX has burned through an astonishing $37 billion since its inception, with its AI division, XAI, contributing to the losses. Despite directing 60% of its capital spending to AI in 2025, the division lost billions and only managed a 22% revenue growth, raising questions about its efficiency.
The key to SpaceX's future lies in its Starship rocket, a fully reusable heavy-lift rocket that has faced technical challenges and explosions. The company aims to reduce the cost of reaching orbit by 99% or more, and it plans to use Starship for payload delivery, satellite launches, Mars exploration, and orbital AI data centers. The Starship program's R&D costs have been substantial, with $3 billion spent in 2025 and $930 million in the first quarter of 2026, indicating a significant investment in this critical technology.
SpaceX's ambitions extend beyond Earth. The company envisions a future where it establishes in-space manufacturing facilities, produces materials and pharmaceuticals in microgravity, and even mines asteroids. These ideas, while exciting, are labeled as 'future markets' and receive less scrutiny in the filing. SpaceX's interest in space tourism, point-to-point terrestrial transportation, and the potential for human space travel are also mentioned, showcasing a company with a wide range of innovative ideas.
Elon Musk's control over SpaceX is evident, with a 93.6% ownership of Class B stock and 85.1% voting power. His compensation package, tied to SpaceX's success and Mars colonization, further emphasizes his influence. The IPO will likely reduce his voting power but will still allow SpaceX to maintain its independence from certain regulatory rules.
In summary, SpaceX's IPO filing reveals a company with a complex business model, ambitious goals, and a strong leadership presence. As it embarks on its public journey, the company faces challenges and opportunities, from technological advancements to expanding its reach into space exploration and beyond. The future of SpaceX is full of potential, and its IPO will undoubtedly spark further interest and speculation in the tech and space industries.