Space investors backing startups in the United States

136 investors hold two or more space startups in the United States each, 225 portfolio startups in all. The most active here are Y Combinator (41), Techstars (31) and Soma Capital (18). 18 of them are accelerators.

Investors by their portfolio companiesRebuilt 6 Nov 2026
investors
136
portfolio startups
225
accelerators
18

Investors backing startups in the United States

InvestorStartups herePortfolio rounds, 12 moLatest activity
Y CombinatorAccelerator · United States · Quindar, REGENT, Relativity Space41255Oct 2026
TechstarsAccelerator · United States · CesiumAstro, Solestial, Proxi3197Oct 2026
Soma CapitalVenture capital · United States · Quindar, REGENT, Starcloud1859Oct 2026
Space CapitalVenture capital · United States · Fortastra, SpaceX, Planet1613Oct 2026
Earthrise VenturesVenture capital · SpaceX, Muon Space, Impulse Space137Aug 2026
Type One VenturesVenture capital · Gravitics, Radianaerospace, Axiom Space98Sep 2026
VU Venture PartnersVenture capital · SpaceX, REGENT, Xplore89May 2026
Capital InnovatorsAccelerator · United States · CesiumAstro, Granular, Xona Space Systems89Oct 2026
AE Industrial PartnersPrivate equity · United States · Redwire, Sierra Space, Firefly Aerospace81Mar 2026
Andreessen HorowitzVenture capital · United States · SpaceX, Apex, Cowboy Space7102Nov 2026
Bessemer Venture PartnersVenture capital · United States · Spire Global, Life360, Yelp770Oct 2026
500 GlobalAccelerator · United States · Life360, Placer, Launch Rock735Oct 2026
DCVCVenture capital · United States · Planet, REGENT, Capella Space727Sep 2026
Seraphim SpaceAccelerator · United Kingdom · Array Labs, Zeno Power, Privateer721Sep 2026
MaC Venture CapitalVenture capital · United States · Starfish Space, Stoke Space, Astro Mechanica719Oct 2026
Harpoon VenturesVenture capital · United States · Starcloud, Merlin Labs, Astranis77Aug 2026
Promus VenturesVenture capital · Mapbox, Spire Global, Seer75Jun 2026
NEAVenture capital · United States · Swift Navigation, Ursa Space Systems, Cowboy Space638Oct 2026
First Round CapitalVenture capital · United States · Planet, Theseus, Merlin Labs631Oct 2026
Draper AssociatesVenture capital · United States · Gravitics, Boom Supersonic, Cowboy Space621Oct 2026
Toyota VenturesVenture capital · United States · Apex, Starfish Space, Stoke Space617Oct 2026
Lux CapitalVenture capital · United States · Planet, Reflect Orbital, Relativity Space613Nov 2026
Rosecliff VenturesVenture capital · SpaceX, Voyager Technologies, Interlune67Sep 2026
AmbitionVenture capital · SpaceX, True Anomaly, Loft Orbital512Oct 2026
NFXVenture capital · United States · Life360, Starcloud, Starfish Space510Aug 2026
Cortado VenturesVenture capital · United States · True Anomaly, Agile Space Industries, NUVIEW58Jun 2026
Winklevoss CapitalVenture capital · United States · REGENT, Reflect Orbital, Relativity Space57Sep 2026
Plug and PlayAccelerator · United States · Life360, Starpath, Starcloud4154Nov 2026
AccelVenture capital · United States · True Anomaly, Radar, World View483Oct 2026
Kleiner PerkinsVenture capital · United States · SpaceX, RTX, CesiumAstro449Nov 2026
Silicon Valley InvestclubAccelerator · Stoke Space, Sierra Space, SpaceX445Oct 2026
Khosla VenturesVenture capital · United States · Windborne Systems, Varda Space Industries, Hermeus444Oct 2026
CoatueVenture capital · United States · SpaceX, Relativity Space, Sierra Space434Oct 2026
Meta PlanetVenture capital · Estonia · SpaceX, Astranis, Pyka422Oct 2026
South Park CommonsAccelerator · United States · Boom Supersonic, Longshot Space Technology, Pillar Space Systems421Oct 2026
Multimodal VenturesVenture capital · Array Labs, Beyond Reach Labs, Reditus Space417Oct 2026
AlleyCorpAccelerator · United States · Archer Aviation, Portalsystems, BlackSky416Sep 2026
Point72 VenturesVenture capital · United States · REGENT, Apex, Starfish Space415Oct 2026
137 VenturesVenture capital · United States · SpaceX, Planet, Impulse Space411Oct 2026
Shield CapitalVenture capital · United States · Star Catcher, Apex, Starfish Space49May 2026

Raising a round?

Tell us about your startup once: Alion matches it to the investors that back companies like it and tells you when a fund starts backing startups in the United States.

Questions

Who invests in space startups in the United States?

136 investors hold two or more space startups in the United States each, 225 portfolio startups in all. The most active here are Y Combinator (41), Techstars (31) and Soma Capital (18). 18 of them are accelerators.

How is this list built?

From what each investor holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An investor counts for United States when at least two of its portfolio companies are based there; the list is rebuilt every night from 2,414 portfolios.

Source: investors' portfolio pages and announced rounds, 2,414 portfoliosUpdated 6 Nov 2026MethodologyJSONCC BY-SA 4.0