# Optivolt funding: rounds and investors > Optivolt has raised $37M across 2 rounds since 2023. Investors include VXI Capital, Techstars and RA Capital Management. Every round with its source. Source: https://millionrounds.com/company/optivolt (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Optivolt* 2 rounds we have observed, with the 9 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. Cleantech Energy Hardware & Electronics Raised this month Funding summary Updated 26 Oct 2026 **$37M** raised across 2 rounds since 2023, from 7 sources **$5.1M** Venture **$32M** Series A - **Latest round:** Series A, $32M Oct 2026 - **Led by:** VXI Capital - **Step-up i:** 6.3× - **Investors:** 9 (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. 2023 2024 2025 2026 **$5.1M** Venture **$32M** Series A - **First round:** Venture, $5.1M - **Biggest round:** $32M - **Between rounds:** 3.8 years ## The rounds - **Oct 2026** Series A **$32M** *7 new* [VXI Capital](https://millionrounds.com/fund/vxi-capital) Lead [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Valo Ventures](https://millionrounds.com/fund/valo-ventures) [Atlas Innovate](https://millionrounds.com/fund/atlas-innovate) [Paul Nahi](https://millionrounds.com/fund/paul-nahi) [Richard Kauffman](https://millionrounds.com/fund/richard-kauffman) [Tom Werner](https://millionrounds.com/fund/tom-werner) Reported by Google News search and 5 others - **Feb 2023** Venture **$5.1M** *2 new* [Techstars](https://millionrounds.com/fund/techstars) [Streamlined Ventures](https://millionrounds.com/fund/streamlined-ventures) Source recorded ## 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. **Venture** 2023 **Series A** 2026 [VXI Capital](https://millionrounds.com/fund/vxi-capital) L [Techstars](https://millionrounds.com/fund/techstars) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Streamlined Ventures](https://millionrounds.com/fund/streamlined-ventures) [Valo Ventures](https://millionrounds.com/fund/valo-ventures) [Atlas Innovate](https://millionrounds.com/fund/atlas-innovate) [Paul Nahi](https://millionrounds.com/fund/paul-nahi) [Richard Kauffman](https://millionrounds.com/fund/richard-kauffman) [Tom Werner](https://millionrounds.com/fund/tom-werner) ## Everyone who backed them [VXI Capital](https://millionrounds.com/fund/vxi-capital) VC firm **1** round, led 1 [Techstars](https://millionrounds.com/fund/techstars) VC firm **1** round [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round [Streamlined Ventures](https://millionrounds.com/fund/streamlined-ventures) VC firm **1** round [Valo Ventures](https://millionrounds.com/fund/valo-ventures) VC firm **1** round [Atlas Innovate](https://millionrounds.com/fund/atlas-innovate) VC firm **1** round [Paul Nahi](https://millionrounds.com/fund/paul-nahi) VC firm **1** round [Richard Kauffman](https://millionrounds.com/fund/richard-kauffman) Angel **1** round [Tom Werner](https://millionrounds.com/fund/tom-werner) Angel **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=optivolt). ## Also claim to have backed them These 2 firms list Optivolt 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. [Enki Solar](https://millionrounds.com/fund/enki-solar) VC firm Per its own site [Pure Ventures](https://millionrounds.com/fund/pure-ventures) VC firm Per its own site ## Quick answers about Optivolt ### Who invested in Optivolt? Optivolt's investors include VXI Capital, Techstars, RA Capital Management, Streamlined Ventures and Valo Ventures, and 4 more on record. VXI Capital led its latest round. ### How much has Optivolt raised? Optivolt has raised $37M across 2 rounds since 2023. ### When did Optivolt last raise? Optivolt's most recent round was a Series A of $32M in Oct 2026, led by VXI Capital. ### What was Optivolt's biggest round? Its most recent round, $32M in Oct 2026, is also its largest on record. ### Who backed Optivolt first? Optivolt's first round on record, in Feb 2023, was backed by Techstars and Streamlined Ventures. ### What stage is Optivolt at? Optivolt's latest named round is a Series A, in Oct 2026. ### Where is Optivolt based? Optivolt is based in the United States. ### Who led Optivolt's rounds? VXI Capital led the Series A in 2026. ## Companies like Optivolt In the same sector, and raised in the last eighteen months. [**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## 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