Skip to main content
Caplight Logo









ProtiumTech

ProtiumTech

Private
RigaEnergy & Sustainabilityhttps://protiumtech.com/

Last Round

Accelerator

Sep 18, 2025

Total Funding Raised

$300,000

Company Overview

ProtiumTech operates in Energy & Sustainability and is based in Riga. Its latest recorded funding round was an Accelerator round in September 2025.

ProtiumTech is a cleantech company that develops membrane-free decoupled water electrolysis systems for efficient and cost-competitive green hydrogen production.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Energy Storage, Advanced Materials

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

Book a demo

For institutional investors. Book with your work email.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

Book a demo

For institutional investors. Book with your work email.

ProtiumTech Comparables

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

ProtiumTech comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Clyde Hydrogen Systems
89%
Stargate Hydrogen
81%
Clean Power Hydrogen plc
79%
Book a demo to see all comparables

For institutional investors. Book with your work email.

ProtiumTech Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorSep 18, 2025
AcceleratorApr 10, 2025
AcceleratorFeb 7, 2025
Book a demo to see all funding rounds

For institutional investors. Book with your work email.

ProtiumTech Investors

Notable investors and investment history

ProtiumTech investors
InvestorRounds
Beamline AcceleratorAccelerator
Plug and Play Tech CenterAccelerator
DEPO VenturesAccelerator
Repsol FoundationAccelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 18, 2025

    $130K round from Repsol Foundation.

Book a demo to see all signals

For institutional investors. Book with your work email.

ProtiumTech Filings

Explore SEC and related filing metadata, where available.

ProtiumTech 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.

Book a demo

For institutional investors. Book with your work email.

Frequently Asked Questions

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

Is ProtiumTech a public or private company?

ProtiumTech is a private company.

What is the current stock price of ProtiumTech?

ProtiumTech is a private company, so its shares have no public market price. Caplight tracks ProtiumTech's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is ProtiumTech worth (valuation)?

Valuation information for ProtiumTech is not publicly available.

Can I buy ProtiumTech stock?

ProtiumTech shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was ProtiumTech's last funding round?

ProtiumTech's most recent funding round was Accelerator on September 18, 2025.

Who are the main investors in ProtiumTech?

Key investors in ProtiumTech include Beamline Accelerator, Plug and Play Tech Center, DEPO Ventures, Repsol Foundation.

Will ProtiumTech IPO soon?

No public IPO plans have been announced for ProtiumTech.

How can I track ProtiumTech secondary market activity?

Caplight tracks bids, offers, and trades in ProtiumTech's shares on secondary markets.

Firmographic Details

HeadquartersRiga
Year Founded2023
Last FundingSep 18, 2025

Institutional Data Access

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

Book a demo

For institutional investors. Book with your work email.

See something wrong or outdated?