ION Storage Systems is based in Beltsville, Maryland. It has raised $74M in total funding. Latest round: Seed.
ION Storage Systems is based in Beltsville, Maryland. ION Storage Systems has raised $74M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Seed announced in June 2026. The round record for ION Storage Systems runs through 2026; nothing later has been disclosed. Investors on record include Saint-Gobain, Toyota Ventures, Tenaska. 3 distinct backers are named across the disclosed rounds.
Every ION Storage Systems figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare companies in Beltsville at a similar stage.
Company funding database · Investor directory · Founder database · Mega-rounds 2026