Monthly roundup · Aerospace & Space · September 2026

Aerospace & Space startup funding, September 2026: Stoke Space Technologies's $1.0B Series E leads 14 rounds

By Millionrounds ResearchPublished 1 October 2026Updated 28 October 2026

We read 14 equity rounds in Aerospace & Space announced in September 2026, raising $2.7B between them: 4% of all the rounds we read that month and 7% of the money. The largest was Stoke Space Technologies's $1.0B Series E, led by Spark Capital and Point72 Ventures. The median seed round was $7.5M, against $7.2M over the last twelve months in Aerospace & Space; at Series A it was $38M.

Equity rounds14in Aerospace & Space, 14 with an amount
Raised$2.7Bacross those rounds
Lead named100%of rounds say who led
Share of the month4%of rounds; 7% of the money

The biggest rounds

  1. 1Stoke Space TechnologiesSeries E · United States · led by Spark Capital, Point72 Ventures$1.0B
  2. 2The Exploration CompanySeries C · Germany · led by Bessemer Venture Partners, Atomico$450M
  3. 3Open CosmosGrowth · United Kingdom · led by ETF Partners, Trill Impact$346M
  4. 4Impulse SpaceSeries D · United States · led by Emergence Capital$308M
  5. 5EnduroSatGrowth · Bulgaria · led by Atreides Management, Riot Ventures$205M
  6. 6Hubble NetworkSeries C · United States · led by Smith Point Capital$200M
  7. 7PixxelSeries C · India · led by Temasek Holdings, Seraphim Space$100M
  8. 8HHyImpulse TechnologiesSeries A · Germany · led by Join Capital$58M
  9. 9HHEO RoboticsSeries B · Australia · led by Beaten Zone Venture Partners$25M
  10. 10TUSK ICSeries A · Belgium · led by Matterwave Ventures$17M

Day by day

Equity rounds in Aerospace & Space announced each day of September. The busiest day was 8 September, with 2.

1 September30 September

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.

Seed4$7.5Mthis month$7.2M12 months here
Series A2$38Mthis month$20M12 months, all sectors
Series B1$25Mthis month$50M12 months, all sectors
Series C3$200Mthis month$100M12 months, all sectors
Series D1$308Mthis month$150M12 months, all sectors
Growth2$276Mthis month$113M12 months, all sectors

Where

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

Against the month

  • Rounds, Aerospace & Space14
  • Rounds, all sectors357
  • Raised, Aerospace & Space$2.7B
  • Raised, all sectors$39B

The whole of September 2026

Other sectors in September

195 roundsAI→51 roundsFintech→39 roundsHealthcare→30 roundsBig Data & Analytics→27 roundsBiotech→25 roundsRobotics→24 roundsCybersecurity→23 roundsHardware & Electronics→22 roundsEnterprise Software→21 roundsSoftware→21 roundsEnergy→21 roundsConstruction→20 roundsHealthtech→20 roundsSaaS→19 roundsLogistics→17 roundsManufacturing→16 roundsCleantech→14 roundsDefence Tech→13 roundsTelecoms→13 roundsSemiconductors→13 roundsClimate Tech→11 roundsAutomotive & EVs→10 roundsCloud→