10 Fastest-Growing Space Stocks to Buy Now

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6. Rocket Lab USA, Inc. (NASDAQ:RKLB)

Rocket Lab USA, Inc. (NASDAQ:RKLB) is one of the fastest-growing space stocks to buy now. On May 22, Rocket Lab completed its ninth dedicated Electron launch for Synspective, deploying another StriX synthetic aperture radar satellite and expanding the Japanese company’s Earth-observation constellation. Rocket Lab said another 18 Synspective launches are booked, making the update relevant to the growth screen because it points to repeat commercial demand rather than a one-off mission.

The launch cadence also sits alongside Rocket Lab’s broader push into higher-value space systems. On May 26, the company completed its acquisition of Motiv Space Systems, now Rocket Lab Robotics, adding Mars-proven robotic arms, actuators, and precision mechanisms used on missions including NASA’s Perseverance rover and CADRE lunar rovers. The additions support planetary exploration, constellations, and orbital infrastructure. On May 7, Rocket Lab reported first-quarter 2026 revenue of $200.3 million, up 63.5% year over year, with backlog above $2.2 billion, showing growth across launch services and space systems.

Rocket Lab USA, Inc. (NASDAQ:RKLB) provides launch services, spacecraft, satellite components, solar solutions, spacecraft software, and related space systems for commercial, civil, and exploration customers.

While we acknowledge the potential of RKLB to grow, our conviction lies in the belief that some other AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than RKLB and that has 100x upside potential, check out our report about the cheapest AI stock.

Click to continue reading and see 5 Fastest-Growing Space Stocks to Buy Now.

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