Whisper Aero
PrivateLast Round
Early Stage
VC
Sep 17, 2026
Total Funding Raised
$84.95M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Whisper Aero is an aerospace company that develops advanced electric propulsion systems for aviation, defense, and commercial applications.
Sector
Frontier & Industrial Tech
Verticals
Aviation & Drones, Defense Tech, Consumer Electronics
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Whisper Aero Comparables
Compare Whisper Aero with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Greenjets | 83% | |
| Ascendance Flight Technologies | 77% | |
| H55 | 76% |
Whisper Aero Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Stage VC | Sep 17, 2026 | ||||
| Grant | May 7, 2025 | ||||
| Grant | Apr 2, 2025 | ||||
| Grant | Aug 27, 2024 | ||||
| Grant | Jul 18, 2024 | ||||
Series A | Jul 12, 2023 |
Key People
Founding team and executive leadership
Whisper Aero Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Linse Capital | Series A |
| Connor Capital | Seed, Series A |
| Levitate Capital | Seed |
| Kindred Ventures | Series A, Seed |
| United States Air Force | Grant |
| Lux Capital | Seed |
| FootPrint Coalition | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 17, 2026
$46.3M raised in early stage VC round.
- Jun 18, 2026
Monthly visitors increased 61% MoM.
Whisper Aero 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 Whisper Aero's valuation, stock price, and market status.
Is Whisper Aero a public or private company?
Whisper Aero is a private company.
What is the current stock price of Whisper Aero?
Whisper Aero is a private company with no public stock price. No recent secondary market data is available.
How much is Whisper Aero worth (valuation)?
Valuation information for Whisper Aero is not publicly available.
Can I buy Whisper Aero stock?
Whisper Aero shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Whisper Aero's last funding round?
Whisper Aero's most recent funding round was Grant on April 2, 2025.
Who are the main investors in Whisper Aero?
Key investors in Whisper Aero include Connor Capital, Menlo Ventures, EVE Atlas.
Will Whisper Aero IPO soon?
No public IPO plans have been announced for Whisper Aero.
How can I track Whisper Aero secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Whisper Aero's secondary market activity and sign up for updates.