Ion Storage Systems
PrivateLast Round
Early Funding
Jun 2, 2026
Total Funding Raised
$86M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Ion Storage Systems operates in Energy & Sustainability and is based in Beltsville, Maryland. Its latest recorded funding round was an Early Funding round in June 2026.
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
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 |
|---|---|---|
| Prieto Battery | 87% | |
| Nuvvon Inc. | 86% | |
| Blue Current, Inc. | 85% |
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Ion Storage Systems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | 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 |
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Key People
Founding team and executive leadership
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Ion Storage Systems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NOVA by Saint-Gobain | Series A Extension |
| Leonid Capital Partners | Debt |
| TEDCO | Early Funding, Grant |
| Climate Capital | Series A |
| Maryland Department of Commerce | Grant |
| Toyota Ventures | Series A |
| Z2Sixty Ventures | Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 73% MoM to 4.9K.
- Jul 24, 2026
Monthly visitors increased 78% MoM.
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Ion Storage Systems 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 Ion Storage Systems's valuation, stock price, and market status.
Is Ion Storage Systems a public or private company?
Ion Storage Systems is a private company.
What is the current stock price of Ion Storage Systems?
Ion Storage Systems is a private company, so its shares have no public market price. Caplight tracks Ion Storage Systems's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Ion Storage Systems worth (valuation)?
Valuation information for Ion Storage Systems is not publicly available.
Can I buy Ion Storage Systems stock?
Ion Storage Systems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Ion Storage Systems's last funding round?
Ion Storage Systems's most recent funding round was Early Funding on June 2, 2026.
Who are the main investors in Ion Storage Systems?
Key investors in Ion Storage Systems include NOVA by Saint-Gobain, VoLo Earth Ventures, Clear Creek Investments, Alsop Louie Partners.
Will Ion Storage Systems IPO soon?
No public IPO plans have been announced for Ion Storage Systems.
How can I track Ion Storage Systems secondary market activity?
Caplight tracks bids, offers, and trades in Ion Storage Systems's shares on secondary markets.