Fluxnium (Seed)
Funding Details
Awarder
Inbox
Date Award
September 21, 2026
Vertical
Energy
Funding Amount
$7,000,000
Company Info
Founders
Jeff Green
Market
Uranium Supply
Location
Santa Monica, CA, USA
Coinvestors
Active Impact Investments, Congruent Ventures, Constellation Technology Ventures
Company Description

Fluxnium is building a new domestic supply of uranium- adsorbed from seawater rather than mined from rock. Using high-efficiency adsorbent fiber developed with a leading U.S. national laboratory, Fluxnium passively adsorbs uranium already dissolved in seawater at a cost projected to match conventional mining.

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