# Fluxnium

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/fluxnium

- Industry: Materials
- Headquarters: Santa Monica, US
- Website: www.fluxnium.com/
- Total disclosed funding: $14M
- Latest round: Seed (Sep 21, 2026)
- Investors on record: 3

## About

Based in California, US, Fluxnium Inc. was founded in 2026 and develops seawater-based uranium recovery technology, leveraging adsorbent fibers integrated with aquaculture infrastructure to extract uranium from seawater.

## Funding rounds

- Seed, Sep 21, 2026, $7M — Congruent Ventures, Active Impact Investments, Constellation Technology Ventures
- Seed, May 5, 2026, $7M — Constellation Technology Ventures, Congruent Ventures, Active Impact Investments

## Investors

- Constellation Technology Ventures (https://capitalatlas.ai/funds/constellation-technology-ventures) — Seed
- Congruent Ventures (https://capitalatlas.ai/funds/congruent-ventures) — Seed
- Active Impact Investments (https://capitalatlas.ai/funds/active-impact-investments) — Seed