Beltsville, MD · Founded 2017 · Privately Held (backing)
Developer of a solid-state battery platform designed to overcome the limitations of conventional lithium-ion technology. Ion Storage Systems is based in Beltsville, MD and was founded in 2017. Its last reported valuation was $170 million in Jul 2024. It has raised $59 million.
Last reported valuation
$170.0M
Oct 2026
Priced at
—
Total raised
$59.0M
Last round
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Cap table — not yet on record
Ion Storage Systems's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 25 names
·Watch Ion Storage Systems: the Monday email on marks, rounds and moves
