Seed · Climate tech

Fluxnium raises $7m seed led by Congruent Ventures

Constellation Technology Ventures and Active Impact Investments participated in financing for seawater uranium recovery.

Fluxnium raised $7 million in seed financing led by Congruent Ventures, with Constellation Technology Ventures and Active Impact Investments participating.

The capital will support further development, pilot testing and scale-up of its adsorbent-fiber technology for recovering dissolved uranium from seawater. The company is working toward a reusable offshore system for supplying the nuclear-fuel industry.

Use of funds

Further develop and pilot test its technology platform

Scale up the technology

Funding history

Seed · This round$7M

Sources

  1. Fluxnium Raises $7M in Seed Fundingfinsmes.com · Sep 21, 2026
  2. prnewswire.com
  3. congruentvc.com