Hydroplane
PrivateLast Round
Grant
Apr 2, 2026
Total Funding Raised
$3.43M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Hydroplane operates in Energy & Sustainability and is based in Lancaster, California. Its latest recorded funding round was a Grant round in April 2026.
Hydroplane is an aerospace company developing a modular hydrogen fuel cell powerplant for zero-emission electric propulsion in aircraft.
Sector
Energy & Sustainability
Verticals
Aviation & Drones, Alternative Fuels, Clean Transportation, Defense Tech
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Hydroplane Comparables
Compare Hydroplane with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Conscious Aerospace | 83% | |
| Stralis Aircraft | 81% | |
| Blue Spirit Aero | 80% |
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Hydroplane Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Apr 2, 2026 | ||||
| Accelerator | Jun 16, 2025 | ||||
| Grant | Nov 4, 2024 | ||||
| Grant | Sep 12, 2024 | ||||
| Grant | May 22, 2024 | ||||
Grant | Jan 26, 2024 |
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Key People
Founding team and executive leadership
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Hydroplane Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| AcceliCITY | Accelerator |
| United States Air Force | Grant |
| New Energy Nexus | Grant |
| California Energy Commission | Grant |
| U.S. Department of the Navy | Grant |
| U.S. Air Force Agility Prime | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 29, 2026
Grew 20% QoQ, from 15 to 18 employees.
- Apr 16, 2026
Monthly visitors increased 114% MoM.
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Recent news
Latest coverage and updates
- receives_financingNov 5, 2026
Hydroplane receives nearly $2M through NYSERDA’s Advanced Fuels & Thermal Energy Research program to create a prototype emission-free cargo watercraft powered by hydrogen.
- recognized_asSep 17, 2026
The U.S. Army xTech Program selects Hydroplane as a winner in the Advanced Humanoid Subsystems category of its xTechHumanoid competition for the company's hydrogen-powered wearable power system for humanoid robotic platforms in Virginia on Sep 17th '26.
- recognized_asSep 17, 2026
On Sep 11th '26, the U.S. Army's xTechHumanoid competition selects Hydroplane as one of five winners in the Advanced Humanoid Subsystems category, awarding the company a $30,000 cash prize and an opportunity to pursue follow-on government funding.
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Hydroplane 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.
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Frequently Asked Questions
Common questions about Hydroplane's valuation, stock price, and market status.
Is Hydroplane a public or private company?
Hydroplane is a private company.
What is the current stock price of Hydroplane?
Hydroplane is a private company, so its shares have no public market price. Caplight tracks Hydroplane's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Hydroplane worth (valuation)?
Valuation information for Hydroplane is not publicly available.
Can I buy Hydroplane stock?
Hydroplane shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Hydroplane's last funding round?
Hydroplane's most recent funding round was Grant on April 2, 2026.
Who are the main investors in Hydroplane?
Key investors in Hydroplane include United States Air Force, California Energy Commission, U.S. Department of the Navy.
Will Hydroplane IPO soon?
No public IPO plans have been announced for Hydroplane.
How can I track Hydroplane secondary market activity?
Caplight tracks bids, offers, and trades in Hydroplane's shares on secondary markets.