# Ohmium funding: rounds and investors

> Ohmium has raised across 1 round since 2024. Investors include TPG. Every round with its source.

Source: https://millionrounds.com/company/ohmium (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *Ohmium*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech

Valuation: $1.0B, Oct 2024

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture Jul 2024
- **Investors:** 1

See who backed them

## The rounds

- **Jul 2024** Venture **Amount undisclosed** [TPG](https://millionrounds.com/fund/tpg) Source recorded

## Founders and team

From Ohmium's own website: 1 founder, 10 on the team.

**Arne Ballantine** Co-Founder and Board Member

- **Dr. Markus Tacke** Chief Executive Officer
- **Ashwin Varma** Chief Operating Officer
- **Christos Mimikopoulos** Chief Product Services & Fleet Operations Officer
- **Dr. Chock Karuppaiah** Chief Science and Technology Officer
- **Gregory Scallen** Chief Legal Officer
- **Jason Hixson** Chief Product and Engineering Officer
- **Mark Griffin** Chief Commercial Officer
- **Regan Shine** Chief Financial Officer
- **Sarah Roth** Chief Human Resources Officer
- **Igor Nus** VP Sales and BD, Europe

## Everyone who backed them

[TPG](https://millionrounds.com/fund/tpg) Private equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ohmium).

## Also claim to have backed them

These 2 firms list Ohmium 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.

[Energy Transition Ventures](https://millionrounds.com/fund/energy-transition-ventures) VC firm Per its own site

[Baruch Future Ventures](https://millionrounds.com/fund/baruch-future-ventures) VC firm Per its own site

## Quick answers about Ohmium

### Who invested in Ohmium?

Ohmium's investors include TPG.

### How much has Ohmium raised?

Ohmium has raised 1 round since 2024, none with a disclosed amount.

### When did Ohmium last raise?

Ohmium's most recent round was a Venture in Jul 2024.

### Who backed Ohmium first?

Ohmium's first round on record, in Jul 2024, was backed by TPG.

### What stage is Ohmium at?

Ohmium's latest named round is a Venture, in Jul 2024.

### Where is Ohmium based?

Ohmium is based in the United States.

## Companies like Ohmium

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)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)

## Find investors like these

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