Firefly Aerospace vs. Rocket Lab: Which Space Stock Is a Better Buy in 2026?

Key Points Firefly Aerospace is scaling its launch and lunar systems with significant government backing. Rocket Lab provides a proven end-to-end solution with a robust flight history and diversifying revenue. Which aerospace innovator is the better addition to your portfolio for the coming year? 10 stocks we like better than Firefly Aerospace › As the private space economy accelerates, investors are increasingly looking toward smaller, agile companies to capture growth. The choice between Firefly Aerospace (NASDAQ:FLY) and Rocket Lab (NASDAQ:RKLB) requires balancing high-growth potential against operational risks. Firefly focuses on modular space systems and lunar delivery for government and commercial clients.