Heart Aerospace
PrivateLast Round
Strategic
Apr 29, 2025
Est. Valuation
$2.14M
Total Funding Raised
$251.12M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Heart Aerospace is an aerospace company that develops hybrid-electric regional airliners aimed at lowering fuel and maintenance costs while offering zero operational emissions.
Sector
Mobility, Transportation & Logistics
Verticals
Aviation & Drones, Clean Transportation, Electric Vehicles
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Heart Aerospace Comparables
Compare Heart Aerospace with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| The AirCraft Company | 87% | |
| Maeve Aerospace | 87% | |
| Aura Aero | 83% |
Heart Aerospace Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Apr 29, 2025 | ||||
| Early Funding | Apr 1, 2025 | ||||
| Grant | Sep 5, 2024 | ||||
| Series B | Feb 1, 2024 | ||||
| Strategic | Sep 15, 2022 | ||||
Series A | Jul 12, 2021 |
Key People
Founding team and executive leadership
Heart Aerospace Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| European Innovation Council Fund | Grant, Series B |
| Sagitta | Series B |
| EQT Ventures | Series A, Series B, Accelerator |
| Breakthrough Energy Ventures | Series B, Series A |
| Norrsken Foundation | Accelerator, Seed |
| Breakthrough Energy Foundation | Series B, Series A |
| Lowercarbon Capital | Accelerator, Series A, Series B, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 12, 2026
Monthly visitors grew 168% MoM, reaching 80.1K.
- Aug 22, 2026
Monthly visitors increased 44% MoM.
Recent news
Latest coverage and updates
- receives_financingOct 15, 2026
Heart Aerospace receives a $4.1M US government grant in Sep '24 to develop avionics and software that control its hybrid-electric propulsion system.
- is_developingOct 15, 2026
Heart Aerospace is to use US$5.8m in funding for HYPER, which develops and tests the turbogenerator for the hybrid-electric propulsion system powering its ES-36 regional aircraft, starting with ground testing before demonstration flights.
- is_developingOct 14, 2026
Heart Aerospace develops and tests the ES-36 hybrid-electric propulsion system under a US$2.9 million FAA award announced on Oct 12th '26, as part of a US$5.8 million, two-year project.
- is_developingOct 12, 2026
Heart Aerospace plans to develop and test the ES-36 turbogenerator through Project HYPER for a 2028 first flight
- expands_facilitiesOct 2, 2026
Heart Aerospace built a production facility in Torrance, California
Heart Aerospace Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Heart Aerospace's valuation, stock price, and market status.
Is Heart Aerospace a public or private company?
Heart Aerospace is a private company.
What is the current stock price of Heart Aerospace?
Heart Aerospace is a private company, so its shares have no public market price. Caplight tracks Heart Aerospace's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Heart Aerospace worth (valuation)?
Heart Aerospace's valuation is estimated at $2.1M based on funding round data.
Can I buy Heart Aerospace stock?
Heart Aerospace shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Heart Aerospace's last funding round?
Heart Aerospace's most recent funding round was Strategic on April 29, 2025.
Who are the main investors in Heart Aerospace?
Key investors in Heart Aerospace include EQT Ventures, Breakthrough Energy Ventures, Norrsken Foundation, Breakthrough Energy Foundation, Lowercarbon Capital.
Will Heart Aerospace IPO soon?
No public IPO plans have been announced for Heart Aerospace.
How can I track Heart Aerospace secondary market activity?
Caplight tracks bids, offers, and trades in Heart Aerospace's shares on secondary markets.