SpaceX Starship V3 Debut Set for May Launch as IPO Valuation

SpaceX is preparing for the launch of SpaceX Starship Flight 12, scheduled for early to mid-May 2026 from its Starbase facility. This mission marks the debut of the Version 3 (V3) architecture, featuring a taller stack and upgraded Raptor 3 engines. The launch comes as the company approaches a projected $1.75 trillion valuation ahead of a potential June 2026 IPO.

The upcoming flight utilizes Booster 19 and Ship 39, which together form the first V3 stack. This new configuration stands approximately 4 to 10 meters taller than the previous Version 2 models. A significant technical upgrade includes the use of shroudless Raptor 3 engines, designed for improved performance and efficiency during ascent.

The Impact of SpaceX Starship Flight 12 and Market Valuation

Beyond the technical milestones of SpaceX Starship Flight 12, the company is seeing significant financial momentum. Reports indicate that Mirae Asset Securities is working to secure up to $5 billion in shares for retail investors. SpaceX is expected to make its market debut as early as June 2026, with a valuation estimated at $1.75 trillion.

As of 2026-04-14, pre-flight testing is actively underway at the Starbase facility in Texas. The transition to the V3 architecture represents a major step in the company's goal of increasing payload capacity and refining reusable rocket technology. If the May launch window holds, it will set the stage for one of the most valuable public offerings in history just weeks after SpaceX Starship Flight 12 concludes.

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