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
How much has Ampaire raised?
$74.3Macross 1 recorded rounds · Jul 2018 – Jul 2018

Most recently, Ampaire raised $2.6M in its Seed Round (Jul 2018).

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Ampaire round by round

1 rounds
Jul 2018Seed Round$2.6MSEC filing▮
28 investors participated

How much has Ampaire raised?

Ampaire has raised $74.3 million in total; 1 of its rounds is on record. The largest on record was a $2.6 million seed round in Jul 2018.

Ampaire has filed 1 Form D with the SEC, most recently in Aug 2018 ($2.6 million sold to 28 investors).

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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Frequently asked about Ampaire

How much has Ampaire raised?
Ampaire has raised $74.3M in total across 1 recorded funding rounds.
When was Ampaire's last funding round?
Ampaire's most recent recorded round was Seed Round in Jul 2018, raising $2.6M.