FormerSpaceX: funding roundshttps://formerspacex.comFunding rounds at companies founded by SpaceX alumni.en-usCastelion raises $1B (Series C)https://formerspacex.com/companies/castelion/castelion-Series C-2026-08Sat, 01 Aug 2026 12:00:00 GMTLow-cost hypersonic weapons built at production scale.Muon Space raises $250M (Series C)https://formerspacex.com/companies/muon-space/muon-space-Series C-2026-08Sat, 01 Aug 2026 12:00:00 GMTSatellite constellations for Earth and climate data, built at scale.Starcloud raises $250M (Series A extension)https://formerspacex.com/companies/starcloud/starcloud-Series A extension-2026-08Sat, 01 Aug 2026 12:00:00 GMTData centers in orbit, powered by continuous sunlight.1872 raises $15M (Seed)https://formerspacex.com/companies/1872/1872-Seed-2026-07Wed, 01 Jul 2026 12:00:00 GMTAn autonomous steel fabrication factory.K2 Space raises $500M (Series D)https://formerspacex.com/companies/k2-space/k2-space-Series D-2026-07Wed, 01 Jul 2026 12:00:00 GMTVery large, high-power satellites designed for heavy-lift rockets.Senra Systems raises $65M (Funding round)https://formerspacex.com/companies/senra-systems/senra-systems-Funding round-2026-07Wed, 01 Jul 2026 12:00:00 GMTWire harnesses built in the US with modern tooling.TerraFirma raises $100M (Series A)https://formerspacex.com/companies/terrafirma/terrafirma-Series A-2026-07Wed, 01 Jul 2026 12:00:00 GMTRemote-controlled and semi-autonomous construction equipment.Critical Energy raises $22M (Seed)https://formerspacex.com/companies/critical-energy/critical-energy-Seed-2026-06Mon, 01 Jun 2026 12:00:00 GMTFactory-built geothermal plants based on rocket turbines.Endurance Energy raises $54M (Series A)https://formerspacex.com/companies/endurance-energy/endurance-energy-Series A-2026-06Mon, 01 Jun 2026 12:00:00 GMTGeothermal power from undersea volcanic heat.Gradial raises $65M (Series C)https://formerspacex.com/companies/gradial/gradial-Series C-2026-06Mon, 01 Jun 2026 12:00:00 GMTAI agents that run enterprise marketing content operations.Impulse Space raises $500M (Series D)https://formerspacex.com/companies/impulse-space/impulse-space-Series D-2026-06Mon, 01 Jun 2026 12:00:00 GMTOrbital transfer vehicles for last-mile delivery in space.Vori raises $22M (Series B)https://formerspacex.com/companies/vori/vori-Series B-2026-05Fri, 01 May 2026 12:00:00 GMTAn operating system for independent grocery stores.Critical Loop raises $26M (Series A)https://formerspacex.com/companies/critical-loop/critical-loop-Series A-2026-04Wed, 01 Apr 2026 12:00:00 GMTModular microgrids that get industrial sites powered sooner.Hermeus raises $350M (Funding round)https://formerspacex.com/companies/hermeus/hermeus-Funding round-2026-04Wed, 01 Apr 2026 12:00:00 GMTHypersonic aircraft, starting with uncrewed high-speed jets.Portal Space Systems raises $50M (Series A)https://formerspacex.com/companies/portal-space-systems/portal-space-systems-Series A-2026-04Wed, 01 Apr 2026 12:00:00 GMTHighly maneuverable spacecraft powered by solar thermal propulsion.Lux Aeterna raises $10M (Seed)https://formerspacex.com/companies/lux-aeterna/lux-aeterna-Seed-2026-03Sun, 01 Mar 2026 12:00:00 GMTFully reusable satellites that return and fly again.Rebellions raises $400M (Pre-IPO)https://formerspacex.com/companies/rebellions/rebellions-Pre-IPO-2026-03Sun, 01 Mar 2026 12:00:00 GMTEnergy-efficient AI inference chips.Xona Space Systems raises $170M (Growth)https://formerspacex.com/companies/xona-space-systems/xona-space-systems-Growth-2026-03Sun, 01 Mar 2026 12:00:00 GMTA GPS alternative from low Earth orbit.Machina Labs raises $124M (Series C)https://formerspacex.com/companies/machina-labs/machina-labs-Series C-2026-02Sun, 01 Feb 2026 12:00:00 GMTRobots that form sheet metal without dedicated tooling.Revel raises $150M (Series B)https://formerspacex.com/companies/revel/revel-Series B-2026-02Sun, 01 Feb 2026 12:00:00 GMTModern software for hardware test and control.Base Power raises $1B (Series D)https://formerspacex.com/companies/base-power/base-power-Series D-2026Thu, 01 Jan 2026 12:00:00 GMTHome battery systems that double as a distributed power plant.Radiant raises $300M (Series D)https://formerspacex.com/companies/radiant/radiant-Series D-2025-12Mon, 01 Dec 2025 12:00:00 GMTPortable nuclear microreactors that ship in a container.Vital Lyfe raises $24M (Seed)https://formerspacex.com/companies/vital-lyfe/vital-lyfe-Seed-2025-12Mon, 01 Dec 2025 12:00:00 GMTPortable machines that turn almost any water into drinking water.Maritime Fusion raises $4.5M (Seed)https://formerspacex.com/companies/maritime-fusion/maritime-fusion-Seed-2025-11Sat, 01 Nov 2025 12:00:00 GMTFusion reactors designed to power ships.Quilter raises $25M (Series B)https://formerspacex.com/companies/quilter/quilter-Series B-2025-10Wed, 01 Oct 2025 12:00:00 GMTPhysics-driven AI that lays out circuit boards.Varda Space Industries raises $187M (Series C)https://formerspacex.com/companies/varda-space-industries/varda-space-industries-Series C-2025-07Tue, 01 Jul 2025 12:00:00 GMTManufacturing medicines in microgravity and bringing them home.Reflect Orbital raises $20M (Series A)https://formerspacex.com/companies/reflect-orbital/reflect-orbital-Series A-2025-05Thu, 01 May 2025 12:00:00 GMTSatellites with mirrors that deliver sunlight after dark.Parallel Systems raises $38M (Series B)https://formerspacex.com/companies/parallel-systems/parallel-systems-Series B-2025-04Tue, 01 Apr 2025 12:00:00 GMTAutonomous battery-electric rail cars for short-haul freight.