United States · 
Who invested in Airstone?
Airstone's investors include True Ventures, Lifeline Ventures and Borealis Ventures.
United States · Growth startup
Who invested in Airstone
One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 7 Nov 2026
$2.5Mraised across 1 round since 2013, from 1 source
- Latest round
- Growth, $2.5MJan 2013
- Investors
- 3
The rounds
- Jan 2013
Everyone who backed them
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Quick answers about Airstone
How much has Airstone raised?
Airstone has raised $2.5M across 1 round since 2013.
When did Airstone last raise?
Airstone's most recent round was a Growth of $2.5M in Jan 2013.
What was Airstone's biggest round?
Its most recent round, $2.5M in Jan 2013, is also its largest on record.
Who backed Airstone first?
Airstone's first round on record, in Jan 2013, was backed by True Ventures, Lifeline Ventures and Borealis Ventures.
What stage is Airstone at?
Airstone's latest named round is a Growth, in Jan 2013.
Where is Airstone based?
Airstone is based in the United States.
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