SpaceX's IPO hype is lifting the stocks of the very companies it's built to crush.
The Summary
- Rocket Lab and AST SpaceMobile shares are surging on SpaceX IPO anticipation, despite directly competing with SpaceX in launch and satellite internet.
- The market is pricing in "rising tide lifts all boats" when the actual story is "SpaceX already won, now it's going public."
- This is textbook irrational exuberance meeting moat economics.
The Signal
The numbers tell a strange story. SpaceX's private valuation has climbed past $350 billion, and murmurs of a 2026 IPO have turned satellite and launch stocks into momentum plays. Rocket Lab, which launches small payloads, and AST SpaceMobile, attempting to build a satellite-to-smartphone network, have both seen double-digit gains. The logic goes: if SpaceX is worth this much, the space sector must be heating up. Everyone wins.
Except that's not how this works. SpaceX doesn't validate the space economy. It dominates it. The company controls roughly 80% of global launch capacity by mass to orbit. Starlink already has over 6,000 satellites in low Earth orbit and millions of subscribers. Its cost per kilogram to orbit is a fraction of what Rocket Lab can deliver, and it keeps falling. AST SpaceMobile is trying to compete in satellite internet with a constellation that doesn't exist yet, against an opponent that already has the infrastructure, the customers, and the cash flow.
What's happening here is market participants conflating category excitement with competitive position. SpaceX going public will bring a flood of capital and attention to space. But that capital won't make Rocket Lab's physics better or AST's buildout faster. If anything, a liquid SpaceX stock gives the company another weapon. It can use shares as currency for acquisitions, pay top engineers in equity that actually trades, and finance expansion without the constraints of private rounds. The companies riding its coattails don't get those benefits. They get the scrutiny.
This isn't new. It's the same pattern that played out with Amazon and every e-commerce stock in the late 90s, or Tesla and the EV hype cycle. The leader's success makes the category look hot. The followers get bid up on association. Then fundamentals reassert themselves.
The Implication
If you're holding space stocks because "SpaceX IPO means space is big," you're betting on narrative, not moats. SpaceX's IPO will clarify how far ahead it actually is. That clarity tends to hurt the competition more than help it. Watch for which of these companies have differentiated tech or defensible niches. The rest are just expensive tickets to watch SpaceX win in public.
Source: The Information