GDI
PrivateLast Round
Series A
Extension
Apr 15, 2026
Total Funding Raised
$47.84M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
GDI is a battery materials company that develops and manufactures 100% silicon anode technology for next-generation lithium-ion batteries.
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Storage, Electric Vehicles, 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.
GDI Comparables
Compare GDI with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Leydenjar Technologies | 89% | |
| NorcSi | 87% | |
| E-magy | 85% |
GDI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Apr 15, 2026 | ||||
| Grant | Jul 8, 2025 | ||||
| Series A Extension | May 20, 2025 | ||||
| Grant | Sep 17, 2024 | ||||
| Grant | Dec 20, 2023 | ||||
Grant | Sep 21, 2022 |
Key People
Founding team and executive leadership
GDI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| EIT InnoEnergy | Series A Extension, Series A |
| Social Impact Capital | Series A Extension |
| European Investment Bank Group | Grant |
| Helios Climate Ventures | Series A Extension, Series A |
| Defense Logistics Agency | Grant |
| Province of Groningen | Series A Extension |
| NOM (Investment and Development Company for the Northern Netherlands) | Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 15, 2026
$15M raised with participation from W. L. Gore & Associates.
- Dec 9, 2025
Added Milpwr, a Defense & Aerospace startup, as a customer.
GDI 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 GDI's valuation, stock price, and market status.
Is GDI a public or private company?
GDI is a private company.
What is the current stock price of GDI?
GDI is a private company with no public stock price. No recent secondary market data is available.
How much is GDI worth (valuation)?
Valuation information for GDI is not publicly available.
Can I buy GDI stock?
GDI 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 GDI's last funding round?
GDI's most recent funding round was Grant on July 8, 2025.
Who are the main investors in GDI?
Key investors in GDI include EIT InnoEnergy, Social Impact Capital, European Investment Bank Group, Helios Climate Ventures, National Science Foundation.
Will GDI IPO soon?
No public IPO plans have been announced for GDI.
How can I track GDI secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor GDI's secondary market activity and sign up for updates.