# Boom Supersonic funding: rounds and investors > Boom Supersonic has raised $433M across 3 rounds since 2017. Investors include 8VC, Caffeinated Capital and Darsana Capital Partners LP. Source: https://millionrounds.com/company/boom-supersonic (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Boom Supersonic* 3 rounds we have observed, with the 14 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. Big Data & Analytics Cloud Energy Industry 4.0 Raised 11 months ago Valuation: $1.0B, Oct 2024 Follow Boom Supersonic and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fboom-supersonic) Funding summary Updated 5 Nov 2026 **$433M** raised across 3 rounds since 2017, from 3 sources **$33M** Series A **$100M** Series B **$300M** Series B - **Latest round:** Series B, $300M Dec 2025 - **Led by:** Darsana Capital Partners LP - **Step-up i:** 3× - **Investors:** 14 (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. 2017 2019 2021 2023 2025 **$33M** Series A **$100M** Series B **$300M** Series B - **First round:** Series A, $33M - **Biggest round:** $300M - **Usual gap between rounds:** 7.9 years ## The rounds - **Dec 2025** Series B **$300M** *7 new* *2 returning* [Darsana Capital Partners LP](https://millionrounds.com/fund/darsana-capital-partners-lp) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) [8VC](https://millionrounds.com/fund/8vc) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) [Altimeter](https://millionrounds.com/fund/altimeter-capital) [Robin Hood Ventures](https://millionrounds.com/fund/robin-hood-ventures) [• Ark Invest](https://millionrounds.com/fund/ark-invest) Reported by TechCrunch - **Jan 2018** Series B **$100M** *2 new* [Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) Sunstone Venture Capital Fund Reported by FinSMEs - **Mar 2017** Series A **$33M** *5 new* [8VC](https://millionrounds.com/fund/8vc) [RRE Ventures](https://millionrounds.com/fund/rre-ventures) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) [Palm Drive Capital](https://millionrounds.com/fund/palm-drive-capital) [YC](https://millionrounds.com/fund/yc) Reported by TechCrunch ## 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 A** 2017 **Series B** 2018 **Series B** 2025 [8VC](https://millionrounds.com/fund/8vc) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) [Darsana Capital Partners LP](https://millionrounds.com/fund/darsana-capital-partners-lp) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) [RRE Ventures](https://millionrounds.com/fund/rre-ventures) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) [Palm Drive Capital](https://millionrounds.com/fund/palm-drive-capital) [Altimeter](https://millionrounds.com/fund/altimeter-capital) [Robin Hood Ventures](https://millionrounds.com/fund/robin-hood-ventures) ## Everyone who backed them [8VC](https://millionrounds.com/fund/8vc) VC firm **2** rounds [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) VC firm **2** rounds [Darsana Capital Partners LP](https://millionrounds.com/fund/darsana-capital-partners-lp) Investment firm **1** round, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) VC firm **1** round [RRE Ventures](https://millionrounds.com/fund/rre-ventures) VC firm **1** round [Karman Ventures](https://millionrounds.com/fund/karman-ventures) VC firm **1** round [Palm Drive Capital](https://millionrounds.com/fund/palm-drive-capital) VC firm **1** round [Altimeter](https://millionrounds.com/fund/altimeter-capital) VC firm **1** round [Robin Hood Ventures](https://millionrounds.com/fund/robin-hood-ventures) Angel network **1** round [• Ark Invest](https://millionrounds.com/fund/ark-invest) Growth equity **1** round [YC](https://millionrounds.com/fund/yc) VC firm **1** round [Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) VC firm **1** round Sunstone Venture Capital Fund no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=boom-supersonic). ## Also claim to have backed them These 28 firms list Boom Supersonic 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. [FJ Labs](https://millionrounds.com/fund/fj-labs) VC firm Per its own site [Draper Associates](https://millionrounds.com/fund/draper-associates) VC firm Per its own site [UpHonest Capital](https://millionrounds.com/fund/uphonest-capital) VC firm Per its own site [Homebrew](https://millionrounds.com/fund/homebrew) VC firm Per its own site [Electric Capital](https://millionrounds.com/fund/electric-capital) VC firm Per its own site [Activant Capital](https://millionrounds.com/fund/activant-capital) VC firm Per its own site [Ruvento](https://millionrounds.com/fund/ruvento) VC firm Per its own site [Zero Infinity Partners](https://millionrounds.com/fund/zero-infinity-partners) VC firm Per its own site [Brad Keywell](https://millionrounds.com/fund/brad-keywell) Angel Per its own site [Jayesh Parekh](https://millionrounds.com/fund/jayesh-parekh) Angel Per its own site [Lombardstreet Ventures](https://millionrounds.com/fund/lombardstreet-ventures) VC firm Per its own site [Pi Campus](https://millionrounds.com/fund/pi-campus) VC firm Per its own site [Yes VC](https://millionrounds.com/fund/yes-vc) VC firm Per its own site [Angel Collective](https://millionrounds.com/fund/angel-collective) Fund of funds Per its own site [United Airlines Ventures](https://millionrounds.com/fund/united-airlines-ventures-2) Corporate VC Per its own site [CapitalX](https://millionrounds.com/fund/capitalx) Private equity Per its own site [Caruso Ventures](https://millionrounds.com/fund/caruso-ventures) VC firm Per its own site [Catapult](https://millionrounds.com/fund/catapult-vc) VC firm Per its own site [Derivee Capital](https://millionrounds.com/fund/derivee-capital) Family office Per its own site [Eudaimonia Capital](https://millionrounds.com/fund/eudaimonia-capital) Angel network Per its own site [Godspeed Holdings](https://millionrounds.com/fund/godspeed-holdings) Investment firm Per its own site [Helium-3 Ventures](https://millionrounds.com/fund/helium-3-ventures) VC firm Per its own site [Lateral Capital Management](https://millionrounds.com/fund/lateral-capital-ma) VC firm Per its own site [Liberty Ventures Network](https://millionrounds.com/fund/liberty-ventures-network) VC firm Per its own site [Octant Ventures](https://millionrounds.com/fund/octant-ventures) VC firm Per its own site [Realm Capital Ventures](https://millionrounds.com/fund/realm-capital-ventures) VC firm Per its own site [Starframe Capital](https://millionrounds.com/fund/starframe-capital) Investment firm Per its own site [Vibora Capital](https://millionrounds.com/fund/vibora-capital) Family office Per its own site ## Quick answers about Boom Supersonic ### Who invested in Boom Supersonic? Boom Supersonic's investors include 8VC, Caffeinated Capital, Darsana Capital Partners LP, Y Combinator and Bessemer Venture Partners, and 9 more on record. Darsana Capital Partners LP led its latest round. ### How much has Boom Supersonic raised? Boom Supersonic has raised $433M across 3 rounds since 2017. ### When did Boom Supersonic last raise? Boom Supersonic's most recent round was a Series B of $300M in Dec 2025, led by Darsana Capital Partners LP. ### What was Boom Supersonic's biggest round? Its most recent round, $300M in Dec 2025, is also its largest on record. ### Who backed Boom Supersonic first? Boom Supersonic's first round on record, in Mar 2017, was backed by 8VC, RRE Ventures and Caffeinated Capital and 2 others. ### What stage is Boom Supersonic at? Boom Supersonic's latest named round is a Series B, in Dec 2025. ### Where is Boom Supersonic based? Boom Supersonic is based in the United States. ### Who led Boom Supersonic's rounds? Darsana Capital Partners LP led the Series B in 2025. ## Companies like Boom Supersonic In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Omni** $244M · Nov 2026](https://millionrounds.com/company/omni)[**Tutor Intelligence** $109M · Nov 2026](https://millionrounds.com/company/tutor-intelligence)[**Oracle** $70B · Nov 2026](https://millionrounds.com/company/oracle)[**OpenAI** $230B · Oct 2026](https://millionrounds.com/company/openai)[**Baseten** $4.0B · Oct 2026](https://millionrounds.com/company/baseten) ## 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