Hydroplane
PrivateLast Round
Grant
Apr 2, 2026
Total Funding Raised
$3.43M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
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, Energy Storage
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Hydroplane Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
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 |
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.
- Apr 16, 2026
Monthly visitors increased 114% MoM.
- Apr 1, 2026
Received grant funding to support operations.
Hydroplane Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Hydroplane's valuation, stock price, and market status.