Ampaire

Long Beach, CA · Founded 2016 · Privately Held (backing)

Developer of hybrid-electric engines designed to improve fuel efficiency and reduce operating costs in aircraft. Ampaire is based in Long Beach, CA and was founded in 2016. It was valued at $137 million at its later-stage round in Jan 2026, the last priced event on record. It has raised $74.3 million across 1 recorded round; the latest was a $2.6 million seed round in Jul 2018.

PMV mark · valuation
$137.0M
Oct 2026
Priced at
its later-stage round
Jan 2026
Total raised
$74.3M
Last round
Seed Round
Jul 2018

Who backs Ampaire?

29 investors
InvestorType
TechstarsOther
Impact AssetsOther
Climate CapitalVenture capital
Astir VenturesVenture capital
U.S. Department of EnergyOther
United States Department of War—
Village CapitalOther
Tribe CapitalOther
Makai VCVenture capital
Sand Hill AngelsVenture capital
+ 19 more investors · a free account shows the complete list
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Ampaire investors

29 investors are on record for Ampaire, including Techstars, Impact Assets, Climate Capital and Astir Ventures. By type, the record holds 7 venture capital firms and 1 asset manager. The seed round in Jul 2018 drew 28 investors.

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