Ampaire raises $19M in Series B funding led by DiamondStream Partners, supported by IAG and Alaska Airlines, to advance its hybrid-electric aircraft technology.
Amount Raised
$19 Million
Round Type
Series B
Investors
Description
Californian startup Ampaire has secured $19 million in Series B funding to enhance its hybrid-electric aircraft development. The funds will accelerate the commercial readiness of its AMP-H570 propulsion system, retrofitted into Cessna Grand Caravan aircraft. Ampaire is also participating in the eVTOL Integration Pilot Program to further advance air mobility technologies. Additionally, the startup is exploring hybrid-electric technology applications for ground power units used by aircraft.
Quick answer
Ampaire raised $19 Million in a Series B round, dated August 19, 2026. Investors: Los Angeles Cleantech Incubator Impact Fund, DiamondStream Partners, International Air Group, Alaska Airlines, Forward Ventures, Techstars Ventures and Autodesk Foundation Impact Fund. Ampaire is based in California, United States.
- How much did Ampaire raise?
- Ampaire raised $19 Million in a Series B round on August 19, 2026.
- Who invested in Ampaire?
- Los Angeles Cleantech Incubator Impact Fund, DiamondStream Partners, International Air Group, Alaska Airlines, Forward Ventures, Techstars Ventures and Autodesk Foundation Impact Fund are named as investors in this round.
- What does Ampaire do?
- Ampaire is a Californian startup focused on developing hybrid-electric aircraft.
- Where is Ampaire based and how big is it?
- Ampaire is based in California, United States. Fundz records about 28 employees.
- Who are the decision-makers at Ampaire?
- Fundz holds 2 contacts at Ampaire, including the Chief Technology Officer (CTO) and VP Engineering. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Automotive and Aerospace around the same time
Companies in the same sectors as Ampaire that raised within 45 days of this round, from Fundz verified event records.
- Voltaback raised $3.2M (Seed) on October 1, 2026.
- Geely raised an undisclosed amount on October 1, 2026.
- Foundational raised $11M (Pre-Seed) on October 1, 2026.
- Simple Energy raised $182M (Series C) on September 30, 2026.
- Blackswan raised $2.9M (Seed) on September 30, 2026.
- M-Fly raised an undisclosed amount on September 30, 2026.
Who to call at Ampaire, and when
A new round usually means Ampaire is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Ampaire raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Ampaire, from your own LinkedIn network
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Funding Insights
What this usually meansAmpaire raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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