ILLUTHERM
PrivateLast Round
Seed
Apr 1, 2025
Total Funding Raised
$301,000
Momentum
Top 50%
of companies Caplight tracks
Company Overview
ILLUTHERM operates in Energy & Sustainability and is based in Darmstadt. Its latest recorded funding round was a Seed round in April 2025.
ILLUTHERM is a machinery company that has developed a technology to generate industrial process heat using blue light from LEDs.
Sector
Energy & Sustainability
Verticals
Clean Manufacturing, Smart Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
ILLUTHERM Comparables
Compare ILLUTHERM with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| HyperHeat | 87% | |
| NOC Energy | 82% | |
| Calectra | 74% |
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ILLUTHERM Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Apr 1, 2025 | ||||
| Grant | May 1, 2022 |
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Key People
Founding team and executive leadership
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ILLUTHERM Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| ESA Business Incubation Centre Hessen | Accelerator |
| Lifeline Ventures | Seed |
| European Space Agency | Grant |
| SPRIND | Grant, Accelerator |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 13, 2026
Open roles increased to 14, 117% of headcount.
- Apr 8, 2026
Monthly visitors grew 838% MoM, reaching 1.4K.
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ILLUTHERM 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.
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Frequently Asked Questions
Common questions about ILLUTHERM's valuation, stock price, and market status.
Is ILLUTHERM a public or private company?
ILLUTHERM is a private company.
What is the current stock price of ILLUTHERM?
ILLUTHERM is a private company, so its shares have no public market price. Caplight tracks ILLUTHERM's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is ILLUTHERM worth (valuation)?
Valuation information for ILLUTHERM is not publicly available.
Can I buy ILLUTHERM stock?
ILLUTHERM shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was ILLUTHERM's last funding round?
ILLUTHERM's most recent funding round was Seed on April 1, 2025.
Who are the main investors in ILLUTHERM?
Key investors in ILLUTHERM include ESA Business Incubation Centre Hessen, Lifeline Ventures, European Space Agency, SPRIND.
Will ILLUTHERM IPO soon?
No public IPO plans have been announced for ILLUTHERM.
How can I track ILLUTHERM secondary market activity?
Caplight tracks bids, offers, and trades in ILLUTHERM's shares on secondary markets.