NASA ETF Holdings: Key Aerospace Stocks Reshaping Space

In May 2026, as NASA ramps up its Artemis program and commercial partnership initiatives, investors are increasingly turning to space-focused ETFs to gain exposure to the aerospace companies driving the next generation of exploration. The trend reflects both institutional and retail interest in a sector that has moved from niche to mainstream, with several ETFs now holding significant positions in firms manufacturing rockets, satellites, and life support systems.

Exchange-traded funds that track NASA-linked holdings typically include major defense and aerospace contractors alongside emerging space technology firms. These funds have become a straightforward way for individuals to build a diversified portfolio without picking individual stocks, which can be volatile in the aerospace sector.

Which Companies Dominate NASA-Focused ETFs

The largest NASA ETF holdings in 2026 feature a mix of established players and newer entrants. Boeing, the legacy aerospace giant, remains a core position in most space-focused funds, though its position has evolved as the company continues work on crew capsule systems and lunar module components. Lockheed Martin holds significant weight, supplying guidance systems, propulsion hardware, and other critical subsystems for multiple Artemis missions.

Smaller but strategically important companies also appear prominently:

• Northrop Grumman, a prime contractor for rocket motors and space infrastructure
• Axiom Space, providing commercial modules for orbital stations
• Relativity Space, specializing in 3D-printed rockets
• Intuitive Machines, delivering lunar cargo delivery services
• Maxar Technologies, manufacturing satellites and ground systems

"The composition of space-focused ETFs has shifted significantly over the past two years," says Michael Chen, aerospace analyst at Orbital Research Partners. "You're seeing more exposure to companies with direct NASA contracts rather than pure defense contractors, reflecting how the agency has moved toward public-private partnerships."

Understanding the Investment Thesis

Investors backing aerospace stocks through ETFs cite several converging factors driving demand for space infrastructure in 2026. NASA's renewed Moon-landing timeline, scheduled Artemis missions, and the agency's commitment to building a lunar Gateway station all require sustained hardware procurement. These long-term government contracts provide revenue stability that appeals to fund managers seeking less volatile exposure than individual company equity.

The commercial sector also plays a role. Companies like SpaceX, while private, catalyzed competition that benefits publicly traded firms winning NASA contracts. Satellite constellation operators need launch capacity, ground stations, and insurance products, creating downstream opportunities across the supply chain.

"NASA's annual budget allocation to exploration has remained robust through 2026, which underpins the entire thesis," notes Dr. Patricia Hernandez, senior portfolio manager at Celestial Capital Advisors. "When you own an NASA ETF, you're essentially betting on Congressional commitment to space spending, which has shown bipartisan support."

Performance and Risk Considerations

Year-to-date performance for space-sector ETFs in 2026 has tracked mixed signals. Supply chain disruptions that plagued aerospace through 2025 have eased, allowing some contractors to ramp production on long-delayed components. However, inflation in skilled labor and raw materials continues to pressure margins at manufacturers dependent on government cost-plus contracts.

Key risks to consider when evaluating investment in space industry ETFs include political uncertainty around budget cycles, technical failures on high-profile missions, and consolidation pressure that could reduce the number of eligible holdings. A single accident during Artemis missions could temporarily depress valuations across the sector, as occurred during previous launch delays.

Regulatory changes also loom. The Federal Communications Commission's ongoing review of spectrum allocation for satellite operators and potential new export controls on advanced propulsion technology could reshape competitive dynamics by late 2026.

Most space-focused ETFs charge expense ratios between 0.45 and 0.75 percent annually, competitive with broader technology and defense sector funds. A few niche funds focusing exclusively on space companies run higher fees due to smaller asset bases and more active management.

The diversity of holdings within a single fund matters significantly. Funds that concentrate heavily on one or two mega-cap contractors carry higher single-company risk, while those maintaining broader exposure across rocket manufacturers, satellite operators, and component suppliers tend to weather individual company volatility more effectively.

As of May 2026, the total assets under management in space-specific ETFs have grown to approximately $4.2 billion, up from $2.8 billion at the start of 2025. This growth reflects both new inflows and appreciation of existing holdings as Artemis mission milestones advance and commercial partnerships yield revenue.