# Whisper Aero funding: rounds and investors > Whisper Aero has raised $47M across 2 rounds since 2025. Investors include Menlo Ventures, Lux Capital and Abstract Ventures. Every round with its source. Source: https://millionrounds.com/company/whisper-aero (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Whisper Aero* 2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Aerospace & Space Raised 2 months ago Funding summary Updated 26 Oct 2026 **$47M** raised across 2 rounds since 2025, from 2 sources **$500K** Grant **$46M** Venture - **Latest round:** Venture, $46M Sept 2026 - **Step-up i:** 92.6× - **Investors:** 4 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$500K** Grant **$46M** Venture - **First round:** Grant, $500K - **Biggest round:** $46M - **Between rounds:** 17 months ## The rounds - **Sept 2026** Venture **$46M** *4 returning* [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Abstract Ventures](https://millionrounds.com/fund/abstract) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) Source recorded SEC filing: $46M sold - **Apr 2025** Grant **$500K** *4 new* [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Abstract Ventures](https://millionrounds.com/fund/abstract) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) Source recorded ## Founders and team From Whisper Aero's own website: 1 founder, 1 on the team. **Mark Moore** Co-Founder, CEO - **Devon Jedamski** Chief Engineer ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Grant** 2025 **Venture** 2026 [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Abstract Ventures](https://millionrounds.com/fund/abstract) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) ## Everyone who backed them [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) VC firm **2** rounds [Lux Capital](https://millionrounds.com/fund/lux-capital) VC firm **2** rounds [Abstract Ventures](https://millionrounds.com/fund/abstract) VC firm **2** rounds [Karman Ventures](https://millionrounds.com/fund/karman-ventures) VC firm **2** rounds Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=whisper-aero). ## Also claim to have backed them This firm lists Whisper Aero as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [53 Stations](https://millionrounds.com/fund/53-stations) Corporate VC Per its own site ## Quick answers about Whisper Aero ### Who invested in Whisper Aero? Whisper Aero's investors include Menlo Ventures, Lux Capital, Abstract Ventures and Karman Ventures. ### How much has Whisper Aero raised? Whisper Aero has raised $47M across 2 rounds since 2025. ### When did Whisper Aero last raise? Whisper Aero's most recent round was a Venture of $46M in Sept 2026. ### What was Whisper Aero's biggest round? Its most recent round, $46M in Sept 2026, is also its largest on record. ### Who backed Whisper Aero first? Whisper Aero's first round on record, in Apr 2025, was backed by Menlo Ventures, Lux Capital and Abstract Ventures and 1 others. ### What stage is Whisper Aero at? Whisper Aero's latest named round is a Venture, in Sept 2026. ### Where is Whisper Aero based? Whisper Aero is based in the United States. ## Companies like Whisper Aero In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**Jeevy Fabrication** Oct 2026](https://millionrounds.com/company/jeevy-fabrication)[**Varda Space Industries** $438M · Oct 2026](https://millionrounds.com/company/varda-space-industries)[**Kapta Space** $29M · Oct 2026](https://millionrounds.com/company/kapta-space) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app