LeydenJar Technologies
PrivateLast Round
Grant
Jan 28, 2026
Total Funding Raised
$158.72M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
LeydenJar Technologies is a battery technology company that develops pure silicon anode rolls to enhance energy density in Li-ion battery cells.
Sector
Energy & Sustainability
Verticals
Energy Storage, Advanced Materials, Clean Manufacturing, Electric Vehicles, Consumer Electronics
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.
LeydenJar Technologies Comparables
Compare LeydenJar Technologies with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Floatech | 88% | |
| GDI | 88% | |
| Sicona Battery Technologies | 87% |
LeydenJar Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jan 28, 2026 | ||||
| Series B | Jan 28, 2026 | ||||
| Corporate Funding | Sep 10, 2025 | ||||
| Early Funding | Sep 10, 2025 | ||||
| Series A | Sep 10, 2025 | ||||
Early Funding | Jan 29, 2024 |
Key People
Founding team and executive leadership
LeydenJar Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Metropoolregio Eindhoven | Grant |
| TNO | Early Funding, Series B |
| European Innovation Council Fund | Debt |
| Brabantse Ontwikkelings Maatschappij | Series A, Grant |
| Brabantse Ontwikkelings Maatschappij | Series A |
| Invest-NL | Series B, Series A, Early Funding |
| DOEN Foundation | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 1, 2027
PlantOne facility opening delayed to 2027 from 2026.
- Mar 27, 2026
Building 'Plant One' for commercial-scale anode production.
Recent news
Latest coverage and updates
- recognized_asAug 4, 2026
Leyden Jar recognized as World's Most Innovative Companies list on Jul 1st '26.
- attends_eventAug 4, 2026
Leyden Jar attended event IFA Berlin 2026 on Jul 1st '26.
- expands_facilitiesAug 4, 2026
Leyden Jar expanded facilities to Eindhoven, Netherlands, Western Europe, Europe on Aug 4th '26.
- recognized_asAug 4, 2026
Leyden Jar recognized as World's Top 250 GreenTech Companies in 2025.
- launchesAug 4, 2026
Leyden Jar launched Silyte Fast-Track Evaluation Program at IFA Berlin 2026 on Aug 4th '26.
LeydenJar Technologies 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 LeydenJar Technologies's valuation, stock price, and market status.
Is Leydenjar Technologies a public or private company?
Leydenjar Technologies is a private company.
What is the current stock price of Leydenjar Technologies?
Leydenjar Technologies is a private company with no public stock price. No recent secondary market data is available.
How much is Leydenjar Technologies worth (valuation)?
Valuation information for Leydenjar Technologies is not publicly available.
Can I buy Leydenjar Technologies stock?
Leydenjar Technologies 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 Leydenjar Technologies's last funding round?
Leydenjar Technologies's most recent funding round was Early Funding on September 10, 2025.
Who are the main investors in Leydenjar Technologies?
Key investors in Leydenjar Technologies include Invest-NL, Extantia, APG Asset Management, Catalus Capital.
Will Leydenjar Technologies IPO soon?
No public IPO plans have been announced for Leydenjar Technologies.
How can I track Leydenjar Technologies secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Leydenjar Technologies's secondary market activity and sign up for updates.