Monthly roundup · June 2026

Startup funding in June 2026: Prometheus's $12B Series B leads 245 rounds

By Millionrounds ResearchPublished 1 July 2026Updated 5 November 2026

We read 245 equity rounds announced in June 2026, raising $35B between them. The largest was Prometheus's $12B Series B. The median seed round was $6.0M, against $5.5M over the last twelve months; at Series A it was $25M. Andreessen Horowitz led the most rounds, with 5.

Equity rounds245announced in June, 230 with an amount
Raised$35Bacross those rounds
Lead named83%of rounds say who led
Countries30where the month's rounds were raised

The biggest rounds

  1. 1PrometheusSeries B · United States$12B
  2. 2BasetenGrowth · United States · led by Spark Capital, Wellington Management$1.5B
  3. 3Neura RoboticsSeries C · Germany$1.4B
  4. 4AAppsFlyerSeries E · United States$1.0B
  5. 5Maxwell PowerGrowth · United States · led by Fairtide Partners$750M
  6. 6CCyeraGrowth · United States · led by Temasek Holdings, Evolution Equity Partners$600M
  7. 7AlanGrowth · France · led by Prosus Ventures$545M
  8. 8ICEYESeries F · Finland · led by General Atlantic$521M
  9. 9SupabaseSeries F · United States · led by GIC$500M
  10. 10FFlourishGrowth · United States · led by Google Ventures, Lux Capital$500M
  11. 11Impulse SpaceSeries D · United States · led by 137 Ventures, BANNER VC$500M
  12. 12HHelionGrowth · United States · led by Thrive Capital$465M
  13. 13AirwallexSeries H · Singapore · led by Addition$460M
  14. 14NewLimitSeries C · United States · led by Founders Fund$435M
  15. 15GGeneralist AISeries B · United States · led by Radical Ventures$400M

Day by day

Equity rounds announced each day of June. Most are announced on weekdays; the busiest day was 9 June, with 21.

1 June30 June
Weekly roundupWeek of 1 June→Weekly roundupWeek of 8 June→Weekly roundupWeek of 15 June→Weekly roundupWeek of 22 June→Weekly roundupWeek of 29 June→

By stage, against the year

Each stage's median this month beside its median over the last twelve months.

Pre-seed18$2.4Mthis month$2.0M12-month median
Seed64$6.0Mthis month$5.5M12-month median
Series A70$25Mthis month$20M12-month median
Series B31$61Mthis month$50M12-month median
Series C23$100Mthis month$100M12-month median
Series D6$346Mthis month$150M12-month median
Growth25$190Mthis month$113M12-month median

The most active leads

Firms that led three or more of the month's rounds.

Country roundups

The month in the eight countries with the most equity rounds, each written up on its own.

106 roundsUnited States→ 31 roundsUnited Kingdom→ 9 roundsAustralia→ 8 roundsIndia→ 8 roundsGermany→ 7 roundsNetherlands→ 6 roundsFrance→ 6 roundsSpain→

Sector roundups

The month in every sector with 10 or more equity rounds, each written up on its own. A company can sit in more than one sector.

124 roundsAI→39 roundsFintech→37 roundsHealthcare→24 roundsBig Data & Analytics→23 roundsBiotech→20 roundsRobotics→20 roundsEnterprise Software→16 roundsEnergy→16 roundsConstruction→15 roundsSoftware→12 roundsFinancial Services→11 roundsHardware & Electronics→11 roundsDefence Tech→11 roundsAerospace & Space→11 roundsMedical Devices→11 roundsLogistics→10 roundsManufacturing→

Where

United States had the most rounds this month.

In what

AI was the busiest sector.