Ion Storage Systems
PrivateLast Round
VC Round
Jun 2, 2026
Total Funding Raised
$100M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Ion Storage Systems is an energy storage company that develops solid-state battery technology featuring a 3D ceramic design for defense, aerospace, consumer electronics, and electric vehicle applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Advanced Materials, Electric Vehicles, Defense Tech
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.
Ion Storage Systems Comparables
Compare Ion Storage Systems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Adden Energy | 88% | |
| Blue Current, Inc. | 86% | |
| Prieto Battery | 84% | |
Ion Storage Systems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | Jun 2, 2026 | ||||
| Debt | Nov 13, 2024 | ||||
| Grant | Aug 6, 2024 | ||||
| Grant | Jun 26, 2024 | ||||
| Series A Extension | Dec 13, 2023 | ||||
Series A | Jun 7, 2022 |
Key People
Founding team and executive leadership
Ion Storage Systems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NOVA by Saint-Gobain | Series A Extension |
| Leonid Capital Partners | Debt |
| TEDCO | VC Round, Grant |
| Climate Capital | Series A |
| Maryland Department of Commerce | Grant |
| Toyota Ventures | Series A |
| Z2Sixty Ventures | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 24, 2026
Monthly visitors increased 78% MoM.
- Jun 2, 2026
$2M round led by TEDCO.
Ion Storage Systems 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 Ion Storage Systems's valuation, stock price, and market status.