# Impulse Space funding: rounds and investors > Impulse Space has raised $1.3B across 4 rounds since 2024. Investors include Founders Fund, Lux Capital and Alumni Ventures. Every round with its source. Source: https://millionrounds.com/company/impulse-space (Millionrounds; every figure on the page links to its filing or article) United States · [Series D startup](https://millionrounds.com/companies) # Who invested in *Impulse Space* 4 rounds we have observed, with the 22 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 Automotive & EVs Defence Tech Logistics Raised 2 months ago Follow Impulse Space and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fimpulse-space) Funding summary Updated 5 Nov 2026 **$1.3B** raised across 4 rounds since 2024, from 13 sources **$150M** Series B **$300M** Growth **$500M** Series D **$308M** Series D - **Latest round:** Series D, $308M Sept 2026 - **Led by:** Emergence Capital - **Biggest round:** $500M Series D · Jun 2026 - **Investors:** 22 (5 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. 2025 2026 **$150M** Series B **$300M** Growth **$500M** Series D **$308M** Series D - **First round:** Series B, $150M - **Biggest round:** $500M - **Usual gap between rounds:** 8 months ## The rounds - **Sept 2026** Series D **$308M** *3 new* *4 returning* [Emergence Capital](https://millionrounds.com/fund/emergence-capital-11) Lead [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Gaingels](https://millionrounds.com/fund/gaingels) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Hanwha Asset Management](https://millionrounds.com/fund/hanwha-asset-management) Reported by Google News search and 3 others SEC filing: $500M sold - **Jun 2026** Series D **$500M** *1 new* *4 returning* [137 Ventures](https://millionrounds.com/fund/137-ventures) Lead [BANNER VC](https://millionrounds.com/fund/banner-vc) Lead [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Linse Capital](https://millionrounds.com/fund/linse-capital) Reported by TechCrunch and 4 others SEC filing: $500M sold - **Jun 2025** Growth **$300M** *3 new* *4 returning* [Linse Capital](https://millionrounds.com/fund/linse-capital) Lead [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Space Capital](https://millionrounds.com/fund/space-capital-2) [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) Reported by TechStartups and 1 other SEC filing: $295M sold, first sale May 2025 - **Oct 2024** Series B **$150M** *15 new* [Founders Fund](https://millionrounds.com/fund/founders-fund) Lead [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [DCVC](https://millionrounds.com/fund/data-collective) [137 Ventures](https://millionrounds.com/fund/137-ventures) [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) [Balerion Space Ventures](https://millionrounds.com/fund/balerion-space-ventures) [Tamarack Global](https://millionrounds.com/fund/tamarack-global-2) [Airbus Ventures](https://millionrounds.com/fund/airbus-ventures) [Overmatch](https://millionrounds.com/fund/overmatch) [Elysium](https://millionrounds.com/fund/elysium) [RTX Ventures](https://millionrounds.com/fund/rtx-ventures) [Spring Tide](https://millionrounds.com/fund/spring-tide) [Island Green Capital](https://millionrounds.com/fund/island-green-capital) [First Principles Group](https://millionrounds.com/fund/first-principles-group) Reported by TechCrunch and 1 other ## Funding filed with regulators Impulse Space filed 3 raises, $833M in all. Filings say how much was sold and to how many investors; they never name the investors. - Jun 2026 **$500M** 63 investors of $500M offered SEC Form D - May 2025 **$295M** 47 investors of $300M offered SEC Form D - Jul 2023 **$39M** 31 investors equity of $45M 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. **Series B** 2024 **Growth** 2025 **Series D** 2026 **Series D** 2026 [Founders Fund](https://millionrounds.com/fund/founders-fund) L [Lux Capital](https://millionrounds.com/fund/lux-capital) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [137 Ventures](https://millionrounds.com/fund/137-ventures) L [Linse Capital](https://millionrounds.com/fund/linse-capital) L [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) [BANNER VC](https://millionrounds.com/fund/banner-vc) L [Emergence Capital](https://millionrounds.com/fund/emergence-capital-11) L [Gaingels](https://millionrounds.com/fund/gaingels) ## Everyone who backed them [Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **4** rounds, led 1 [Lux Capital](https://millionrounds.com/fund/lux-capital) VC firm **4** rounds [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **3** rounds [137 Ventures](https://millionrounds.com/fund/137-ventures) VC firm **2** rounds, led 1 [Linse Capital](https://millionrounds.com/fund/linse-capital) VC firm **2** rounds, led 1 [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) VC firm **2** rounds [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) Family office **2** rounds [BANNER VC](https://millionrounds.com/fund/banner-vc) VC firm **1** round, led 1 [Emergence Capital](https://millionrounds.com/fund/emergence-capital-11) VC firm **1** round, led 1 [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round [DCVC](https://millionrounds.com/fund/data-collective) VC firm **1** round [Space Capital](https://millionrounds.com/fund/space-capital-2) Private equity **1** round [Balerion Space Ventures](https://millionrounds.com/fund/balerion-space-ventures) VC firm **1** round [Hanwha Asset Management](https://millionrounds.com/fund/hanwha-asset-management) VC firm **1** round [Tamarack Global](https://millionrounds.com/fund/tamarack-global-2) VC firm **1** round [Airbus Ventures](https://millionrounds.com/fund/airbus-ventures) Corporate VC **1** round [Overmatch](https://millionrounds.com/fund/overmatch) VC firm **1** round [Elysium](https://millionrounds.com/fund/elysium) Growth equity **1** round [RTX Ventures](https://millionrounds.com/fund/rtx-ventures) Growth equity **1** round [Spring Tide](https://millionrounds.com/fund/spring-tide) VC firm **1** round [Island Green Capital](https://millionrounds.com/fund/island-green-capital) VC firm **1** round [First Principles Group](https://millionrounds.com/fund/first-principles-group) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=impulse-space). ## Also claim to have backed them These 17 firms list Impulse Space as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Beyond Earth Ventures](https://millionrounds.com/fund/beyond-earth-ventures) VC firm Per its own site [Crosscourt](https://millionrounds.com/fund/crosscourt) VC firm Per its own site [JDY Capital](https://millionrounds.com/fund/jdy-capital) VC firm Per its own site [Jackson Moses](https://millionrounds.com/fund/jackson-moses) Angel Per its own site [Pittco Management](https://millionrounds.com/fund/pittco-management) Family office Per its own site [Sparkwave Capital](https://millionrounds.com/fund/sparkwave-capital) Growth equity Per its own site [Beyond Earth LLC](https://millionrounds.com/fund/beyond-earth-llc) Investor Per its own site [Creative Capital](https://millionrounds.com/fund/creative-capital) VC firm Per its own site [DecentraNet](https://millionrounds.com/fund/decentranet) VC firm Per its own site [Earthrise Ventures](https://millionrounds.com/fund/earthrise-ventures) VC firm Per its own site [Inertia Ventures](https://millionrounds.com/fund/inertia-ventures) VC firm Per its own site [KI capital GmbH](https://millionrounds.com/fund/ki-capital-gmbh) Corporate VC Per its own site [Karmans Line](https://millionrounds.com/fund/karmans-line) VC firm Per its own site [Lontra Ventures](https://millionrounds.com/fund/lontra-ventures) VC firm Per its own site [Octant Ventures](https://millionrounds.com/fund/octant-ventures) VC firm Per its own site [Unmatched Ventures](https://millionrounds.com/fund/unmatched-ventures) VC firm Per its own site [Valera Capital](https://millionrounds.com/fund/valera-capital) Family office Per its own site ## Quick answers about Impulse Space ### Who invested in Impulse Space? Impulse Space's investors include Founders Fund, Lux Capital, Alumni Ventures, 137 Ventures and Linse Capital, and 17 more on record. Emergence Capital led its latest round. ### How much has Impulse Space raised? Impulse Space has raised $1.3B across 4 rounds since 2024. ### When did Impulse Space last raise? Impulse Space's most recent round was a Series D of $308M in Sept 2026, led by Emergence Capital. ### What was Impulse Space's biggest round? Impulse Space's largest round on record is $500M (Series D), in Jun 2026, led by 137 Ventures. ### Who backed Impulse Space first? Impulse Space's first round on record, in Oct 2024, was backed by Founders Fund, Alumni Ventures and Lux Capital and 12 others. ### What stage is Impulse Space at? Impulse Space's latest named round is a Series D, in Sept 2026. ### Where is Impulse Space based? Impulse Space is based in the United States. ### Who led Impulse Space's rounds? Founders Fund led the Series B in 2024; Linse Capital led the Growth in 2025; 137 Ventures led the Series D in 2026; Emergence Capital led the Series D in 2026. ## Companies like Impulse Space In the same sector, and raised in the last eighteen months. [**Tutor Intelligence** $109M · Nov 2026](https://millionrounds.com/company/tutor-intelligence)[**Northwood Space** $505M · Nov 2026](https://millionrounds.com/company/northwood-space)[**Agility Robotics** $1.3B · Oct 2026](https://millionrounds.com/company/agility-robotics)[**Iris Technology** Oct 2026](https://millionrounds.com/company/iris-technology)[**SpendRule** $6.0M · Oct 2026](https://millionrounds.com/company/spendrule)[**Firehawk Aerospace** $150M · Oct 2026](https://millionrounds.com/company/firehawk-aerospace) ## 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