ProtiumTech
PrivateLast Round
Accelerator
Sep 18, 2025
Total Funding Raised
$300,000
Momentum
Top 50%
of companies Caplight tracks
Company Overview
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
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
ProtiumTech Comparables
Compare ProtiumTech with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Clyde Hydrogen Systems | 89% | |
| Stargate Hydrogen | 81% | |
| Clean Power Hydrogen plc | 79% |
ProtiumTech Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Accelerator | Sep 18, 2025 | ||||
| Accelerator | Apr 10, 2025 | ||||
| Accelerator | Feb 7, 2025 |
ProtiumTech Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Beamline Accelerator | Accelerator |
| Plug and Play Tech Center | Accelerator |
| DEPO Ventures | Accelerator |
| Repsol Foundation | Accelerator |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 18, 2025
$130K round from Repsol Foundation.
ProtiumTech Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently 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 with no public stock price. No recent secondary market data is available.
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. Visit https://www.caplight.com to learn more.
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 for private companies. Visit https://www.caplight.com to monitor ProtiumTech's secondary market activity and sign up for updates.