# Firestorm Labs funding: rounds and investors > Firestorm Labs has raised $87M across 2 rounds since 2026. Investors include Washington Harbour Partners Lp, New Enterprise Associates and Alumni Ventures. Source: https://millionrounds.com/company/firestorm-labs (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Firestorm Labs* 2 rounds we have observed, with the 11 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. Defence Tech Drones Manufacturing Raised 6 months ago Follow Firestorm Labs and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Ffirestorm-labs) Funding summary Updated 5 Nov 2026 **$87M** raised across 2 rounds since 2026, from 3 sources **$5.0M** Round **$82M** Series B - **Latest round:** Series B, $82M Apr 2026 - **Led by:** Washington Harbour Partners Lp - **Step-up i:** 16.4× - **Investors:** 11 (1 led) 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 2027 **$5.0M** Round **$82M** Series B - **First round:** Round, $5.0M - **Biggest round:** $82M - **Between rounds:** 3 months ## The rounds - **Apr 2026** Series B **$82M** *11 new* [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Lead [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [In-Q-Tel](https://millionrounds.com/fund/iqt) [645 Ventures](https://millionrounds.com/fund/645-ventures) [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) [Geodesic Capital](https://millionrounds.com/fund/geodesic-capital) [Motley Fool Ventures](https://millionrounds.com/fund/motley-fool-ventures) [Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures) [Ondas](https://millionrounds.com/fund/ondas) Reported by TechCrunch and 1 other SEC filing: $35M sold, first sale Feb 2026 - **Jan 2026** Round **$5.0M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $5.0M sold, first sale Jan 2026 ## Funding filed with regulators Firestorm Labs filed 8 raises, $85M in all. Filings say how much was sold and to how many investors; they never name the investors. - Mar 2026 **$35M** 18 investors of $75M offered SEC Form D - Jan 2026 **$5.0M** 2 investors SEC Form D - Oct 2025 **$2.5M** 10 investors of $5.0M offered SEC Form D - Jun 2025 **$10M** 4 investors SEC Form D - Sept 2024 **$20M** 33 investors of $25M offered SEC Form D - Apr 2024 **$2.5M** 1 investor options of $3.0M offered SEC Form D - Nov 2023 **$8.0M** 15 investors debt of $10M offered SEC Form D - Sept 2022 **$2.1M** 5 investors options of $7.0M offered SEC Form D ## 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. **Round** 2026 **Series B** 2026 [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) L [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [In-Q-Tel](https://millionrounds.com/fund/iqt) [645 Ventures](https://millionrounds.com/fund/645-ventures) [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) [Geodesic Capital](https://millionrounds.com/fund/geodesic-capital) [Motley Fool Ventures](https://millionrounds.com/fund/motley-fool-ventures) [Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures) ## Everyone who backed them [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Private equity **1** round, led 1 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **1** round [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Craft Ventures](https://millionrounds.com/fund/craft-ventures) VC firm **1** round [In-Q-Tel](https://millionrounds.com/fund/iqt) Accelerator **1** round [645 Ventures](https://millionrounds.com/fund/645-ventures) VC firm **1** round [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) Corporate VC **1** round [Geodesic Capital](https://millionrounds.com/fund/geodesic-capital) VC firm **1** round [Motley Fool Ventures](https://millionrounds.com/fund/motley-fool-ventures) Corporate VC **1** round [Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures) Corporate VC **1** round [Ondas](https://millionrounds.com/fund/ondas) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=firestorm-labs). ## Quick answers about Firestorm Labs ### Who invested in Firestorm Labs? Firestorm Labs's investors include Washington Harbour Partners Lp, New Enterprise Associates, Alumni Ventures, Craft Ventures and In-Q-Tel, and 6 more on record. Washington Harbour Partners Lp led its latest round. ### How much has Firestorm Labs raised? Firestorm Labs has raised $87M across 2 rounds since 2026. ### When did Firestorm Labs last raise? Firestorm Labs's most recent round was a Series B of $82M in Apr 2026, led by Washington Harbour Partners Lp. ### What was Firestorm Labs's biggest round? Its most recent round, $82M in Apr 2026, is also its largest on record. ### Who backed Firestorm Labs first? Firestorm Labs's first round on record, in Apr 2026, was backed by Washington Harbour Partners Lp, New Enterprise Associates and Alumni Ventures and 8 others. ### What stage is Firestorm Labs at? Firestorm Labs's latest named round is a Series B, in Apr 2026. ### Where is Firestorm Labs based? Firestorm Labs is based in the United States. ### Who led Firestorm Labs's rounds? Washington Harbour Partners Lp led the Series B in 2026. ## Companies like Firestorm Labs In the same sector, and raised in the last eighteen months. 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