Monthly roundup · Aerospace & Space · October 2026

Aerospace & Space startup funding, October 2026: Open Cosmos's $334M Series C leads 29 rounds

By Millionrounds ResearchPublished 1 November 2026

We read 29 equity rounds in Aerospace & Space announced in October 2026, raising $1.3B between them: 4% of all the rounds we read that month and 2% of the money. The largest was Open Cosmos's $334M Series C, led by ETF Partners. The median seed round was $7.3M, against $7.2M over the last twelve months in Aerospace & Space; at Series A it was $20M.

Equity rounds29in Aerospace & Space, 25 with an amount
Raised$1.3Bacross those rounds
Lead named69%of rounds say who led
Share of the month4%of rounds; 2% of the money

The biggest rounds

  1. 1Open CosmosSeries C · United Kingdom · led by ETF Partners$334M
  2. 2Varda Space IndustriesSeries D · United States$251M
  3. 3XonaSeries D · United States · led by Future Ventures$250M
  4. 4FFirehawk DefenseSeries D · United States · led by Advent International, Rochefort Asset Management$150M
  5. 5Firehawk AerospaceSeries D · United States$150M
  6. 6FortastraSeries A · United States · led by First In$30M
  7. 7FurientisSeed · United States · led by Benchmark$25M
  8. 8Kapta SpaceSeries A · United States · led by Washington Harbour Partners Lp, Pathway Ventures$24M
  9. 9North Vector DynamicsSeries A · Canada · led by Tech Horizons$20M
  10. 10Rendezvous RoboticsSeed · United States · led by NextView Ventures, MaC Venture Capital$20M

Day by day

Equity rounds in Aerospace & Space announced each day of October. The busiest day was 28 October, with 4.

1 October31 October

By stage, against the year

Each stage's median this month beside its twelve-month median: the sector's own where we hold enough rounds for a benchmark, otherwise the one across all sectors.

Pre-seed5$2.3Mthis month$2.0M12 months, all sectors
Seed11$7.3Mthis month$7.2M12 months here
Series A7$20Mthis month$20M12 months, all sectors
Series C1$334Mthis month$100M12 months, all sectors
Series D4$200Mthis month$150M12 months, all sectors
Growth1$4.9Mthis month$113M12 months, all sectors

Where

United States had the most Aerospace & Space rounds this month.

Against the month

  • Rounds, Aerospace & Space29
  • Rounds, all sectors733
  • Raised, Aerospace & Space$1.3B
  • Raised, all sectors$59B

The whole of October 2026

Other sectors in October

411 roundsAI→100 roundsFintech→72 roundsHealthcare→67 roundsSoftware→67 roundsRobotics→56 roundsManufacturing→44 roundsSaaS→44 roundsConstruction→42 roundsHardware & Electronics→41 roundsBiotech→34 roundsBig Data & Analytics→33 roundsEnergy→33 roundsLogistics→32 roundsEnterprise Software→29 roundsHealthtech→28 roundsCybersecurity→26 roundsDefence Tech→25 roundsCloud→24 roundsEntertainment→23 roundsB2C→23 roundsFinancial Services→22 roundsMedical Devices→20 roundsCleantech→19 roundsE-commerce→19 roundsFood & Beverage→18 roundsReal Estate→18 roundsDeeptech→18 roundsSemiconductors→17 roundsAgtech→16 roundsDeveloper Tools→15 roundsWeb3 & Crypto→15 roundsRetail→15 roundsMartech→14 roundsSupply Chain→14 roundsInsurtech→14 roundsTelecoms→14 roundsClimate Tech→13 roundsRegtech→13 roundsAutomotive & EVs→13 roundsChemicals & Materials→12 roundsFuture of Work→12 roundsB2B→12 roundsMedia→12 roundsGaming→11 roundsProfessional Services→11 roundsMarketplaces→11 roundsHR Tech→11 roundsEducation→11 roundsSalestech→10 roundsProptech→10 roundsPharma→10 roundsFashion→10 roundsTravel & Hospitality→