Hystar
PrivateLast Round
Series C
May 13, 2025
Total Funding Raised
$102.1M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Hystar is a clean energy company that develops and manufactures high-efficiency polymer electrolyte membrane (PEM) electrolyzers for large-scale 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
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Hystar Comparables
Compare Hystar with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Ohmium | 85% | |
| Electric Hydrogen | 85% | |
| ITM Power Plc | 82% |
Hystar Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | May 13, 2025 | ||||
| Grant | Oct 23, 2024 | ||||
| Series B | Jan 11, 2023 | ||||
| Series A | Jun 1, 2021 | ||||
| Series A | Mar 9, 2021 |
Key People
Founding team and executive leadership
Hystar Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Finindus | Series C, Series B |
| Firda | Series C, Series A, Series B |
| MOL Switch | Series C |
| Hillhouse Investment | Series B |
| European Commission | Grant |
| SINTEF Venture | Series A, Series B, Series C |
| Trustbridge Partners | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 1, 2027
New factory scheduled to begin operations in Q1 2027.
- Aug 20, 2026
Monthly visitors increased 209% MoM.
Recent news
Latest coverage and updates
- expands_facilitiesSep 7, 2026
Hystar AS expanded facilities to Norway, Northern Europe, Europe on Sep 7th '26.
- expands_offices_toAug 18, 2026
Hystar AS expanded offices to India, Southern Asia, Asia on Aug 18th '26.
- is_developingAug 13, 2026
Hystar AS is developing ultra-efficient PEM electrolysers on Aug 13th '26.
Hystar 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 Hystar's valuation, stock price, and market status.
Is Hystar a public or private company?
Hystar is a private company.
What is the current stock price of Hystar?
Hystar is a private company with no public stock price. No recent secondary market data is available.
How much is Hystar worth (valuation)?
Valuation information for Hystar is not publicly available.
Can I buy Hystar stock?
Hystar 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 Hystar's last funding round?
Hystar's most recent funding round was Series C on May 13, 2025.
Who are the main investors in Hystar?
Key investors in Hystar include SINTEF, AP Ventures, Mitsubishi Corporation.
Will Hystar IPO soon?
No public IPO plans have been announced for Hystar.
How can I track Hystar secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Hystar's secondary market activity and sign up for updates.