Intuitive Machines vs. Rocket Lab: Which Space Stock Can Send Your Returns Into Orbit in 2026?

Are you looking to capitalize on the next frontier of human expansion? Comparing Intuitive Machines (NASDAQ:LUNR) and Rocket Lab USA (NASDAQ:RKLB) offers a glimpse into two distinct paths within the commercial space race.

Intuitive Machines focuses on cislunar (a term for the space between Earth and the Moon) infrastructure and moon landings, while Rocket Lab provides reliable launch services and spacecraft manufacturing. Both companies represent high-risk, high-reward opportunities in a rapidly evolving market for orbital and lunar services. They are being compared because they dominate the emerging commercial space economy.

The case for Intuitive Machines

Intuitive Machines provides spacecraft, network connections, and infrastructure-as-a-service for the defense industry and commercial sectors. It serves customers across the space domain, including civil and national security missions. The company maintains a significant customer concentration, with one major customer accounting for nearly 78% of revenues, which adds concentration risk to the business.

In its latest annual report filed for FY 2025, revenue reached roughly $210.1 million. This represented a year-over-year decrease of about 7.9% compared to the previous fiscal year. The company reported a net loss of approximately $83.3 million for the year, as it continues to invest heavily in its lunar capabilities.

As of its December 2025 balance sheet, the debt-to-equity ratio was nearly negative 0.5x. This negative value means that total liabilities exceed shareholder equity. The current ratio, which measures a company's ability to cover short-term obligations with current assets, is roughly 5.0x. Free cash flow, calculated as cash flow from operations minus capital expenditures, was negative $56.0 million for FY 2025.

The case for Rocket Lab USA

Rocket Lab provides end-to-end space solutions, including rocket manufacturing and mission services. It operates frequently from launch sites in New Zealand and Virginia. The company serves a diverse group of more than 20 global organizations across the defense and commercial sectors, positioning itself as a reliable partner for orbital access.

In its latest annual report for FY 2025, revenue reached about $601.8 million. This was a substantial increase of approximately 38% over the previous fiscal year. Despite the top-line growth, the company reported a net loss of around $198.2 million as it scales its operations and develops new launch vehicles.

As of the December 2025 balance sheet, the debt-to-equity ratio was approximately 0.1x. This ratio measures total debt against shareholder equity to assess financial leverage. The current ratio stands at roughly 4.1x, indicating strong short-term liquidity. Free cash flow was negative $321.8 million for FY 2025, reflecting significant investments in expansion.

Risk profile comparison

Intuitive Machines faces significant risks related to revenue concentration. The company relies heavily on a single customer for the vast majority of its income, creating exposure to changes in that customer's ordering patterns. It also must navigate operational challenges, such as the integration of Lanteris and the inherent risks of lunar missions, where failures could lead to contractual penalties.

Rocket Lab is currently managing a massive $8 billion acquisition of Iridium Communications (NASDAQ:IRDM). This deal involves substantial financing and dilution risks for existing shareholders. The company also faces operational risks with its Electron vehicle and relies on critical components from suppliers like Canon (OTC:CAJFF) and Synspective, where interruptions could lead to production delays.

Valuation comparison

Intuitive Machines currently trades at a significantly lower sales multiple than its peer, although Rocket Lab shows much faster top-line growth and a more stable balance sheet.

Valuation metrics include sourcing from Financial Modeling Prep (FMP) and may differ from other data providers.

Which stock would I buy in 2026?

Intuitive Machines started fiscal 2026 with its strongest quarter in history, delivering record revenue of $187 million. Management says they have an order backlog of $1.1 billion, including $400 million in early 2026 bookings. NASA is moving toward a steady access to space flights and deliveries, too, which bodes well for the company's longer-term sales. Revenue for fiscal 2026 is expected to more than quadruple to $952 million, with a narrower net loss of $66 million. Analysts expect the business to turn a profit for the first time in 2028.

Rocket Lab, meanwhile, made a huge splash in the market with its proposed $8 billion acquisition of Iridium Communications this year. The combination promises to make Rocket Lab a space powerhouse, combining Rocket Lab's launch technology and the communications spectrum offered by Iridium. In short, Rocket Lab could very well be a serious competitor to Space Exploration Technologies Corp (NASDAQ:SPCX). Don't overlook Rocket Lab's expertise in sending small payloads into orbit, and it is closing in on the same reusable rocket technology that SpaceX has used to lower its customer prices.

Stand-alone Rocket Lab is seen boosting its revenue by about 33% this year and narrowing its net loss to about $145 milion. The Iridium acquisition is a big meal to swallow, but the combined business should generate $1.8 billion in revenue in 2026 and come close to breaking even, profit-wise.

These are two exciting space-age stocks. Intuitive Machines, with its much more reasonable P/S ratio, gets the nod, under the adage of buying good companies at good prices for the long-term, rather than paying extremely high premiums for future growth with Rocket Lab

Brendan Coffey has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Intuitive Machines and Rocket Lab. The Motley Fool has a disclosure policy.