SpaceX Just Reclaimed Its $135 IPO Price. Two months after its blockbuster market debut, SpaceX stock has completed a full round trip. The Plan: SpaceX Wants to Be Your Phone CarrierThe catalyst that changed the narrative was the mobile plan. Investor TakeawayThe mobile plan reframes SpaceX from a launch-and-satellite company into a potential $600 billion-market disruptor, which is what re-rated the stock back to its IPO price. For a company promising a $100 billion revenue run rate, the spending is the bet; for skeptics, it is the risk.