GDI
PrivateLast Round
Grant
Jul 8, 2025
Total Funding Raised
$49.9M
Company Overview
GDI, formerly known as Graphenix Development, is a developer and manufacturer of advanced 100% silicon anode technology for next-generation lithium-ion batteries. The company's patented technology is designed to replace graphite anodes, offering significantly higher energy density, faster charging times, and improved safety. GDI's silicon anodes are engineered for scalable, cost-effective mass manufacturing and can be integrated into various lithium battery architectures. The company targets multiple sectors, including electric vehicles, e-aviation, and consumer electronics, aiming to accelerate the transition to sustainable energy. GDI has received venture capital funding and is establishing production facilities in Europe to scale its operations.
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Storage, Sustainable Materials, Electric Vehicles
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
GDI Comps
Public and private peers based on sector, stage, and business model.
GDI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jul 8, 2025 | ||||
| Series A | May 20, 2025 | ||||
| Debt | Jan 10, 2024 | ||||
| Series A | Sep 21, 2022 | ||||
| Grant | Sep 21, 2022 |
Key People
Founding team and executive leadership
GDI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| EIT InnoEnergy | Series A |
| Social Impact Capital | Series A |
| Helios Climate Ventures | Series A |
| European Investment Bank | Debt |
| Province of Groningen | Series A |
| NOM (Investment and Development Company for the Northern Netherlands) | Series A |
| Netherlands Ministry of Economic Affairs and Climate Policy | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Dec 9, 2025
Added Milpwr, a Defense & Aerospace startup, as a customer.
- Oct 15, 2025
Announced a manufacturing development partnership with AGC.
GDI Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about GDI's valuation, stock price, and market status.
