Top 10 SpaceTech Capital Raises and Investors in the U.S. – June 1st – 30th, 2026
Several interesting transactions closed in the SpaceTech sector over the past month. If you would like more info on these deals or would like to discuss the capital raising market for your company, please contact me.
Merger/Acquisition
- Space-ng, a spacecraft autonomy company that develops computer vision systems for autonomous space navigation and operations, acquired by Firefly Aerospace.
- Solestial, a space-grade solar power company that develops solar modules for satellites and space infrastructure, acquired by York Space Systems.
- Linkwell Health, a digital health company that provides member engagement experiences for health plans and healthcare organizations, acquired by Duos.
Later Stage VC
- Galaxia Mission Systems, a space intelligence technology company that develops AI-driven data and mission solutions from space-based systems, raised venture funding from Wenova Ventures.
- Impulse Space, an aerospace components company that manufactures orbital maneuvering vehicles for last-mile space payload delivery, raised $500 million of Series D venture funding in a deal led by 137 Ventures and Banner VC.
- Mach Industries, a defense manufacturing technology company that develops autonomous production infrastructure for defense organizations, raised $300 million of Series C venture funding in a deal led by Infinite Capital (San Juan) and Ribbit Capital.
Early Stage VC
- Eclipse Space, a satellite infrastructure company that develops sovereign satellite constellations for nations and enterprises, raised venture funding from Space Capital, Tectonic Ventures and Ubiquity Ventures.
- Otter Aerospace, a space software company that develops autonomous operating systems for satellite constellations, raised venture funding from Mutant Ventures and Honey Stone VC.
Seed Round
- Atalanta, a mathematical artificial intelligence software company that develops verification tools for autonomous systems, raised $2.7 million of seed funding from In-Q-Tel and Felicis.
- Orbital (Los Angeles), a space infrastructure company that develops space-based data centers for artificial intelligence computing, raised $5 million of pre-seed funding.
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John Silvestri
Managing Director
Finance, strategy and capital markets executive. Originated structured and executed, as principal, agent and underwriter, over $4 billion of public and private, structured and project finance transactions. Industry expertise includes Energy and Power, Technology/Fintech/Digital, Sponsor, Transportation and Infrastructure, Consumer, Industrials and Agriculture, Banking, and Specialty Finance. Companies ranging from small to large, leveraged, high grade, venture, SPV’s and project finance. Transaction expertise across capital structure includes public and private bonds, equity, structured and direct investments, and unitranche. Leveraged finance includes senior/sub, bridge, acquisition, mezzanine, equity co-investment, and re-capitalizations. Previously, founder of an advisory and a direct investment business, Managing Director and Co-head of Investment Banking at Altamar Capital, and Director and Head of High Yield Capital Markets in New York for Barclays Capital. BS in Management from SUNY Buffalo. MBA from Fordham Gabelli Business School. FINRA Series 7 and 63 licenses.
- Email: jsilvestri@castleplacement.com
- (C) (203) 803-9861
 John SilvestriManaging Director |
Please contact me if you have any questions or would like to discuss your capital raise:
Email: jsilvestri@castleplacement.com
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Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.
