Skip to main content
Caplight Logo









Ohmium

Ohmium

Private
Newark, CaliforniaEnergy & Sustainabilityhttps://www.ohmium.com/

Last Round

Strategic

Jul 16, 2024

Total Funding Raised

$295M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Ohmium is a clean energy company that designs, manufactures, and deploys modular proton exchange membrane (PEM) electrolyzer systems for green hydrogen production.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Alternative Fuels, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

green hydrogenPEM electrolyzerproton exchange membranehydrogen productionmodular electrolyzersH2 techclean hydrogenelectrolyzer stackrenewable energy integrationhydrogen infrastructureengineering procurement constructionEPCfront-end engineering designFEEDelectrolyzer management

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Ohmium Comparables

Compare Ohmium with similar companies based on industry and business-model similarity.

Ohmium comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Electric Hydrogen
86%
Hystar
86%
ITM Power Plc
85%

Ohmium Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicJul 16, 2024
Series CApr 26, 2023
Series BApr 14, 2022

Key People

Founding team and executive leadership

Arne Ballantine

Co-Founder, Chief Executive Officer

Founding Team

Markus Tacke

Chief Executive Officer

Executive Team

Regan Shine

Chief Financial Officer, VP of Finance

Executive Team

Ohmium Investors

Notable investors and investment history

Ohmium investors
InvestorRounds
TPG Rise ClimateSeries C
Fenice Investment GroupSeries C, Series B
HanoverSeries C
Energy Transition VenturesSeries C, Series B
3MStrategic

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 23, 2026

    Expanding sales and business development into the Japan market.

  • Jan 23, 2026

    Hiring Sales Manager for DACH region (Germany, Austria, Switzerland).

Recent news

Latest coverage and updates

  • hiresJul 27, 2026

    Ohmium was planning to hire Mark Griffin as Chief Commercial Officer on Jul 27th '26.

  • hiresJul 27, 2026

    Ohmium hired Mark Griffin as Chief Commercial Officer on Jul 1st '26.

Ohmium Filings

Explore SEC and related filing metadata, where available.

Ohmium filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Ohmium's valuation, stock price, and market status.

Is Ohmium a public or private company?

Ohmium is a private company.

What is the current stock price of Ohmium?

Ohmium is a private company with no public stock price. No recent secondary market data is available.

How much is Ohmium worth (valuation)?

Valuation information for Ohmium is not publicly available.

Can I buy Ohmium stock?

Ohmium shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Ohmium's last funding round?

Ohmium's most recent funding round was Series C Extension on July 16, 2024.

Who are the main investors in Ohmium?

Key investors in Ohmium include TPG Rise Climate, Fenice Investment Group, 3M.

Will Ohmium IPO soon?

No public IPO plans have been announced for Ohmium.

How can I track Ohmium secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Ohmium's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersNewark, California
Employee Range569
Year Founded2019
Last FundingJul 16, 2024

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?