AST SpaceMobile vs. Rocket Lab: Which Space Stock Is a Better Buy in 2026?

Space exploration is nary longer constricted to authorities agencies with monolithic budgets. As backstage companies contention to predominate the last frontier, investors are looking to AST SpaceMobile (NASDAQ:ASTS) and Rocket Lab USA (NASDAQ:RKLB) to spot which banal offers a smoother flight.

While some companies run supra the atmosphere, their concern models are worlds apart. AST SpaceMobile focuses connected providing cellular broadband straight to modular smartphones from space, portion Rocket Lab provides a afloat suite of motorboat services and outer components.

The lawsuit for AST SpaceMobile

AST SpaceMobile aims to destruct dormant zones by gathering a outer constellation that connects straight to the billions of mobile phones already successful use. The institution works with mobile web operators similar AT&T (NYSE:T), Verizon (NYSE:VZ), and Vodafone (NASDAQ:VOD) done revenue-sharing agreements alternatively than selling straight to consumers. Customer attraction similar this adds a furniture of hazard to the business, arsenic the institution depends connected these commercialized partners for the bulk of its revenue.

In tech stocks similar this, maturation often precedes profits. In FY 2025, gross skyrocketed 1,500% (yes, you work that right) to $70.9 million. The institution inactive reported a nett nonaccomplishment arsenic it continues to physique retired its outer constellation.

As of its December 2025 equilibrium sheet, the debt-to-equity ratio was astir 1.2x. This ratio measures full indebtedness against shareholder equity to amusement however a institution finances its operations. The existent ratio, which measures the quality to wage short-term debts with existent assets, was astir 16.4x. During FY 2025, escaped currency travel was astir antagonistic $1.1 billion, representing the currency remaining aft accounting for operating costs and instrumentality purchases.

The lawsuit for Rocket Lab USA

Rocket Lab USA has established itself arsenic a reliable supplier of small-satellite launches and abstraction systems. The institution serves high-profile clients including NASA and the United States Department of War. Note that its apical 5 customers accounted for astir 49% of full gross successful 2025, indicating a precocious level of lawsuit attraction hazard that investors should monitor.

The institution has delivered beardown operational numbers successful caller years. In FY 2025, gross surged 38% twelvemonth implicit twelvemonth to $601.8 million. While the apical enactment is expanding, Rocket Lab reported a nett nonaccomplishment of $198.2 cardinal arsenic it invests heavy successful its larger Neutron rocket.

As of its December 2025 equilibrium sheet, the institution maintains a blimpish debt-to-equity ratio of astir 0.1x. Its existent ratio of astir 4.1x suggests a steadfast cushion for gathering near-term fiscal obligations. Free currency travel for FY 2025 was astir antagonistic $321.8 million, reflecting the ongoing superior requirements of processing caller motorboat vehicles and expanding manufacturing capacity.