Big round · 10 September 2026

Mach Industries raises $600M Series C

By Millionrounds ResearchPublished 16 September 2026

Mach Industries, based in United States, has raised $600M in a Series C, announced on 10 September 2026. 8 other investors joined. It is the 80th largest equity round we recorded in the twelve months to that date, and the 15th largest Series C of 203. The median Series C over the same period was $100M, so this one is 6.0 times that. Its previous round on record was a Series C of $300M in June 2026, 3 months earlier.

Raised$600M2 sources reported it
StageSeries C2 earlier rounds on record
Investors8no lead named
Where USUnited States

Defence TechDrones

How big is it?

Against every equity round we recorded in the twelve months to 10 September 2026. Ranks count companies, so the same raise reported twice is counted once.

#80equity round of the last twelve months
#15Series C of 203 in that time
#54round in United States, of 1,116
This round$600M
Median Series C$100M

6.0 times the median Series C of the last twelve months.

Who invested

In the round

Funding history

  1. September 2026Series C$600M
  2. June 2026Series C$300M
  3. May 2025Series B$100M

$1.0B raised across the 3 rounds we hold.

Reported by

  1. TechCrunch10 September
  2. Startups Magazine13 September

The round's figures come from these reports; each link opens the original.

Other big rounds that week

TThe Boring Co.$3.0B GrowthCognition$2.0B Series EHarvey$550M GrowthRRightway Healthcare$155M Series EClay$115M Series DMistral AI$3.5B Series D
The companyMach Industries on Millionrounds→Weekly roundupWeek of 7 September→Monthly roundupSeptember 2026→