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
Team — not yet on record
No current team members for Ampaire are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 29 names
·Watch Ampaire: the Monday email on marks, rounds and moves
