3 Space Stocks Flying Under the Radar and Worth Buying This Month

Intuitive Machines has won more than $428 million in new contracts, pushing backlog to $1.1 billion and supporting 2026 revenue guidance of $900 million to $1 billion. Redwire posted 58% year-over-year first-quarter revenue growth to $97 million with a $498 million backlog, while Spire Global expects 2026 revenue of $75 million to $85 million, implying 50% growth. The article is broadly constructive on under-the-radar space stocks, though it is primarily an opinion piece rather than a fresh company-specific catalyst.

Analysis

The market is beginning to re-rate space as an infrastructure-and-defense spend cycle rather than a pure venture narrative. That matters because the winners are now the names with funded backlogs, multi-year government visibility, and dual-use assets; the speculative “launch and hope” bucket should lag as capital rotates toward contract-backed execution. In that regime, suppliers and adjacent defense contractors can benefit from a broader capex pull-through even if they are not the headline winners.

LUNR has the cleanest near-term catalyst stack, but the bigger issue is whether it can convert backlog into margin without working-capital strain. Rapid contract growth often looks strongest at the top line and then leaks through delayed cash conversion, mission timing, and integration risk from acquisitions; that creates a setup where the stock can keep trending for weeks, but any quarterly miss on gross margin or cash burn can reprice it sharply. RDW sits in the middle: the market is rewarding diversification into defense, yet the defense mix can also compress multiple if investors decide the growth is more acquisition-led than organically scalable.

SPIR is the most interesting contrarian because it is the least “space-euphoria” name and therefore least vulnerable to a sentiment air pocket. If the company is truly moving toward cleaner balance-sheet optics and mid-teens-to-50% growth, it can attract generalist capital that would never touch a moonshot story; that is a slow-burn rerating over months, not days. The risk is that the space rally is already doing the heavy lifting, so any deceleration in bookings or a reset in risk appetite could hit all three names together regardless of fundamentals.

The broader second-order effect is that strong public-market performance may improve financing conditions for smaller aerospace suppliers and software-enabled defense vendors, widening the competitive moat for cash-rich incumbents. But there is also a crowded-trade risk: when a sector gets narrative-driven, the highest-beta names can overshoot fundamental value, then underperform for a long stretch once the next quarter stops surprising upward.

Key Decisions for Investors

• Long LUNR for 4-8 weeks into the next catalyst window; best setup is momentum plus backlog validation, but trim aggressively on any guide-to-the-guidance disappointment because cash-flow sensitivity can cut 15-25% quickly.
• Long RDW / short a basket of high-multiple space peers over 1-3 months; RDW has the cleaner defense-inflected support, while pure-story names are more exposed if sector sentiment cools. Target a 1.5-2.0x relative return if risk appetite normalizes.
• Initiate a starter long SPIR position for 3-6 months; this is a lower-beta rerating trade if fundamentals keep improving, with asymmetric upside from generalist re-engagement. Use a tight stop on any slowdown in revenue trajectory.
• Avoid chasing the broad space basket at current levels; instead sell out-of-the-money calls against existing longs in LUNR/RDW to monetize elevated implied volatility while preserving directional exposure.
• If looking for a pair, long RDW and short a more expensive, hype-driven aerospace proxy to express the view that contract-backed defense and infrastructure should outperform narrative-only exposure over the next two earnings cycles.