Stoke Space Technologies has secured a fresh $1 billion in its Series E funding round, boosting its total capital raised to $2.3 billion. The infusion is meant to help the company bring its Nova Pathfinder vehicle to flight in early 2027, scale operations, and accelerate development of its next-generation rocket.
Aiming for Full Reusability
While many industry players—including Rocket Lab, Relativity Space, and Firefly Aerospace—use rockets with reusable first stages, Stoke is pursuing something far more ambitious: a rocket whose second stage also returns to Earth. Unlike liquid methane or typical heat shield materials, the company plans to shield the second stage from reentry heat using a novel system that flows super-cooled liquid hydrogen through the thermal protection. This active cooling solution has been rigorously tested on the ground and is slated for use on the first flight.
Vehicles and Timeline
The Nova Pathfinder, Stoke’s first vehicle, is designed to deliver approximately three metric tons to low-Earth orbit. If all goes to plan, it should make its maiden voyage in the first half of 2027. Key milestones yet to come include integrated ground tests of both individual rocket stages and the full launch system.
Parallel to the Pathfinder, Stoke is also working on a larger launcher called Nova Block 2. It builds on the same engines and thermal-shielding technologies as its predecessor but will be capable of lifting around 15 metric tons to low-Earth orbit—making it slightly more powerful than many current rockets, including some variants of the Falcon 9. Stoke aims to have Block 2 ready by 2029, by which time the Falcon 9 is expected to be phased out.
Funding, Competition, and Strategy
The Series E was led by Point72 Ventures and Spark Capital, with participation from several others including Glade Brook Capital, US Innovation Technology, Woven Capital, General Innovation, Washington Harbour Partners, and Y Combinator. Funds will be used to build infrastructure, step up production, increase flight cadence, and develop the Block 2 vehicle while bringing Pathfinder to market.
Stoke is positioning itself as a challenger to SpaceX in the race for fully reusable rockets. While SpaceX’s Starship also intends both stages to return to Earth, it has yet to reach orbit. Stoke’s timeline and novel heat shield technology could set it apart if both perform as expected—and if Stoke can launch Pathfinder successfully, it would have the largest debut vehicle among U.S. rocket startups.
Though Hughes simple feats like reaching orbit still loom, Stoke has already sold launch contracts for Astra Pathfinder, giving it market commitments early. The company says it is confident that Pathfinder will reach orbit regardless of funding, even with this latest round.
What this signals is that demand for launch services remains strong, especially as SpaceX prepares to phase out Falcon 9. Stoke’s timing could exploit gaps in launch capacity, especially for third-party payloads.
Analytically, this is a pivotal moment for the small-satellite and broader space economy. If Stoke delivers on its promise of a fully reusable rocket—one that returns both stages—it could redefine cost structures for access to orbit. Key watchpoints include the performance of the active cooling heat shield, the reliability of integrated stage tests, and how quickly Stoke can move through its 2027-2029 roadmap without the conventional delays the industry wrestles with. What Stoke does next may have ripple effects for launch suppliers, satellite operators, and how governments contract space access.
