United States · 
Who invested in AirTM?
AirTM's investors include Stellar Foundation and BlueYard Capital. Stellar Foundation led its latest round.
201920202021
$7.0MSeries A$20MSeries B
United States · Series B startup
Who invested in AirTM
Funding summaryUpdated 26 Oct 2026
$27Mraised across 2 rounds since 2018, from 2 sources
$7.0MSeries A$20MSeries B
- Latest round
- Series B, $20MJul 2021
- Led by
- Stellar Foundation
- Step-upi
- 2.9×
- Investors
- 2 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $7.0M Aug 2018
- Biggest round
- $20M Series B · Jul 2021
- Between rounds
- 2.9 years from the last two
The rounds
- Jul 2021Series B$20M1 new
Reported by Firms' own news pagesSEC filing: $15M sold, first sale May 2021
- Aug 2018
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Stellar FoundationGrowth equity1round, led 1
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list AirTM as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about AirTM
How much has AirTM raised?
AirTM has raised $27M across 2 rounds since 2018.
When did AirTM last raise?
AirTM's most recent round was a Series B of $20M in Jul 2021, led by Stellar Foundation.
What was AirTM's biggest round?
Its most recent round, $20M in Jul 2021, is also its largest on record.
Who backed AirTM first?
AirTM's first round on record, in Aug 2018, was backed by BlueYard Capital.
What stage is AirTM at?
AirTM's latest named round is a Series B, in Jul 2021.
Where is AirTM based?
AirTM is based in the United States.
Who led AirTM's rounds?
Stellar Foundation led the Series B in 2021.
Companies like AirTM
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.