Switzerland · 
Who invested in Energy Vault?
Energy Vault's investors include SoftBank, SoftBank Vision Fund, SoftBank BB Corp, S2G Investments and Adage Capital Management.
2020202120222023202420252026
$110MSeries B$40MDebt
Switzerland · Funded startup
Who invested in Energy Vault
Funding summaryUpdated 26 Oct 2026
$150Mraised across 2 rounds since 2019, from 2 sources
$110MSeries B$40MDebt
- Latest round
- Debt, $40MSept 2026
- Biggest round
- $110MSeries B · Aug 2019
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $110M Aug 2019
- Biggest round
- $110M Series B · Aug 2019
- Between rounds
- 7.1 years from the last two
The rounds
- Sept 2026
- Aug 2019
Founders and team
From Energy Vault's own website: 1 founder, 12 on the team.
Robert PiconiChairman, Co-Founder & CEO
- Mary Beth MandanasChief Executive Director, Onyx Renewable Partners
- Cory MagnusonPresident of Asset Vault
- Dylan HixonPresident, Arden Road Investments
- Larry PaulsonCEO, Arc Infrastructure
- Stephanie UnwinCEO, Arc Infrastructure
- Akshay LadwaGeneral Counsel & Chief Legal Officer
- Amy BlakewayGeneral Counsel & Chief Legal Officer
- Gonca IcorenChief Information and Security Officer
- Laurence AlexanderChief Revenue Officer
- Nitin DahiyaChief Financial Officer
- Richard EspyChief Information and Security Officer
- Thomas ErtelMember 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.
Everyone who backed them
SoftBank Vision FundVC firm1round
Adage Capital ManagementAsset manager1round
Missing a round, or an investor who was in one? Tell us.
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.
Quick answers about Energy Vault
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.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.