Rocket Lab's Proxy Premium Unwinds as SpaceX IPO Looms

Rocket Lab's scarcity value is fading.

The company, long the only pure-play space launch stock available to public investors, now faces the prospect of a SpaceX IPO. The shift has already pulled its Alpha Score down to 38 out of 100, into the Mixed category. The score tracks risk-adjusted momentum and fundamental health – and what it is picking up is a sector repricing driven by the coming availability of the industry's dominant name.

For months, Rocket Lab traded as a proxy. If an institution wanted exposure to orbital launch, Electron and the promise of Neutron were the only game in town. That is changing. SpaceX has held preliminary talks with advisers, according to people familiar with the matter. A filing could come as soon as the second half of 2026.

The market does not wait for the S-1. Rocket Lab shares have underperformed the broader industrials sector since late March, even as the company announced new launch contracts and a defense payload win. The stock is down roughly 15% from its February high. That period maps closely to the first credible reports of SpaceX preparing for a listing.

Traders who held Rocket Lab as a sector proxy are rotating. Some are moving into defense primes with space exposure – Northrop Grumman, Lockheed Martin. Others are simply cutting sector weight, waiting to see the SpaceX pricing before committing capital.

CEO Peter Beck has tried to draw a clear line between the two companies. Rocket Lab targets small satellite launches, not the heavy-lift missions that drive SpaceX's revenue. Electron's dedicated launch service competes with rideshare options, not Falcon 9. The argument has operational logic. The market has not rewarded the distinction. When the sector's largest player becomes investable, second-tier names tend to compress.

Rocket Lab's valuation still reflects the scarcity premium. The company reported $325 million in revenue for 2025, up 60% year over year. At its current market cap of roughly $8 billion, the price-to-sales multiple sits near 25x. That is high for an industrials company, even a fast-growing one. A SpaceX IPO at a $200 billion-plus valuation would reset the sector's pricing benchmark. Rocket Lab's multiple could contract toward the 15-18x range that defense and aerospace peers carry.

The backlog provides some anchor. Rocket Lab has more than $1 billion in signed launch contracts, giving revenue visibility that most space startups lack. The company also has a growing space-systems division that builds satellite components for government and commercial customers. That business is less capital-intensive than launch and carries higher margins.

Rocket Lab's stock page shows the score reflecting real positioning data, not just headline risk. The Alpha Score does not predict direction – it measures the weight of what has already happened. Right now, that weight is the proxy premium unwinding.

The next scheduled catalyst is the earnings report in early August. The numbers will show whether the core business is accelerating or decelerating. The stock's direction between now and then depends less on Electron launch cadence and more on one question: whether the market's best space proxy is about to become redundant.