Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for SpaceX, Stability AI, and 370+ companies. 5-min read every Tuesday.
Aerospace and defense company. Active S-1 filed April 1, 2026 targeting $75B Nasdaq IPO in June 2026 at $1.75T–$2T valuation — largest IPO in history. $15B combined revenue (SpaceX + xAI merger). Starlink: $10B revenue, 10M subscribers. Government contracts with NASA and DoD. 30% retail allocation.
| Industry | Aerospace & Defense |
| Stage | IPO Filed |
| IPO Status | Public |
| Valuation | $1.75T – $2T |
| Total Funding | $11.9B |
| Headquarters | Hawthorne, CA |
Open-source AI company behind Stable Diffusion image generation model.
| Industry | Artificial Intelligence |
| Stage | Seed |
| IPO Status | Pre-IPO |
| Valuation | $1B |
| Total Funding | $331M |
| Headquarters | London, UK |
SpaceX is valued at $1.75T – $2T. Stability AI is valued at $1B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
SpaceX has raised $11.9B. Stability AI has raised $331M.
SpaceX is currently already public. Stability AI is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
SpaceX operates in Aerospace & Defense, while Stability AI operates in Artificial Intelligence.
SpaceX is a Aerospace & Defense company valued at $1.75T – $2T with $11.9B raised. Stability AI is a Artificial Intelligence company valued at $1B with $331M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.
Accredited investors can access pre-IPO shares in SpaceX and Stability AI through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.