# Energy Vault funding: rounds and investors > Energy Vault has raised $150M across 2 rounds since 2019. Investors include SoftBank, SoftBank Vision Fund and SoftBank BB Corp. Every round with its source. Source: https://millionrounds.com/company/energy-vault (Millionrounds; every figure on the page links to its filing or article) Switzerland · [Funded startup](https://millionrounds.com/companies) # Who invested in *Energy Vault* 2 rounds we have observed, with the 5 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. Energy Raised 2 months ago Funding summary Updated 26 Oct 2026 **$150M** raised across 2 rounds since 2019, from 2 sources **$110M** Series B **$40M** Debt - **Latest round:** Debt, $40M Sept 2026 - **Biggest round:** $110M Series B · Aug 2019 - **Investors:** 5 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. 2020 2021 2022 2023 2024 2025 2026 **$110M** Series B **$40M** Debt - **First round:** Series B, $110M - **Biggest round:** $110M - **Between rounds:** 7.1 years ## The rounds - **Sept 2026** Debt **$40M** *4 new* [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) [S2G Investments](https://millionrounds.com/fund/s2g-investments) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Source recorded - **Aug 2019** Series B **$110M** *1 new* [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Reported by TechCrunch ## Founders and team From Energy Vault's own website: 1 founder, 12 on the team. **Robert Piconi** Chairman, Co-Founder & CEO - **Mary Beth Mandanas** Chief Executive Director, Onyx Renewable Partners - **Cory Magnuson** President of Asset Vault - **Dylan Hixon** President, Arden Road Investments - **Larry Paulson** CEO, Arc Infrastructure - **Stephanie Unwin** CEO, Arc Infrastructure - **Akshay Ladwa** General Counsel & Chief Legal Officer - **Amy Blakeway** General Counsel & Chief Legal Officer - **Gonca Icoren** Chief Information and Security Officer - **Laurence Alexander** Chief Revenue Officer - **Nitin Dahiya** Chief Financial Officer - **Richard Espy** Chief Information and Security Officer - **Thomas Ertel** Member of the Board ## 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** 2019 **Debt** 2026 [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [S2G Investments](https://millionrounds.com/fund/s2g-investments) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) ## Everyone who backed them [SoftBank](https://millionrounds.com/fund/softbank-2) Investment firm **1** round [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) VC firm **1** round [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Company **1** round [S2G Investments](https://millionrounds.com/fund/s2g-investments) Growth equity **1** round [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Asset manager **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=energy-vault). ## Also claim to have backed them These 2 firms list Energy Vault 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. [Idealabx](https://millionrounds.com/fund/idealabx) VC firm Per its own site [OIC](https://millionrounds.com/fund/oic) VC firm Per its own site ## Quick answers about Energy Vault ### Who invested in Energy Vault? Energy Vault's investors include SoftBank, SoftBank Vision Fund, SoftBank BB Corp, S2G Investments and Adage Capital Management. ### How much has Energy Vault raised? Energy Vault has raised $150M across 2 rounds since 2019. ### When did Energy Vault last raise? Energy Vault's most recent round was a Debt of $40M in Sept 2026. ### What was Energy Vault's biggest round? Energy Vault's largest round on record is $110M (Series B), in Aug 2019. ### Who backed Energy Vault first? Energy Vault's first round on record, in Aug 2019, was backed by SoftBank BB Corp. ### What stage is Energy Vault at? Energy Vault's latest named round is a Debt, in Sept 2026. ### Where is Energy Vault based? Energy Vault is based in Switzerland. ## Companies like Energy Vault In the same sector, and raised in the last eighteen months. [**Jaipur Robotics** $5.2M · Sept 2026](https://millionrounds.com/company/jaipur-robotics)[**Borobotics** $4.5M · Jul 2026](https://millionrounds.com/company/borobotics)[**TUUS** $124K · Jun 2026](https://millionrounds.com/company/tuus)[**8links** Jun 2026](https://millionrounds.com/company/8links)[**BTRY** $8.3M · Jun 2026](https://millionrounds.com/company/btry)[**Emissium** $232K · May 2026](https://millionrounds.com/company/emissium) ## 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