Overview
News
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Total raised
$7M
1 round on record
Latest round
$7M
Seed · May 2026 · 4 mo ago
Team
11-50
employees, estimated range
Backers
1
Congruent Ventures
The money's age
Fresh money
4 months since the last round · not hiring
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 5 Raised a round Seed $7M · SEC Form D 2026 Founded
Funding rounds
RoundDateAmountInvestorsSource
Seed May 2026 $7M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Fluxnium, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Jeff GreenExecutive Officer, DirectorSEC Form D
James McDermottExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
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Overview

Fluxnium is pioneering cost-effective access to the world’s largest supply of uranium — led by founders andinvestors who have scaled multiple hardtech companie.

News

News Pulse 2.0 8 days ago
Fluxnium Raises $7 Million Seed Round To Develop Uranium-From-Seawater Technology For Domestic Nuclear Fuel Supply
Fluxnium has raised $7 million in seed funding to commercialize technology designed to extract uranium from seawater, giving the company additional capital to develop a potential domestic source of the critical mineral used across civilian nuclear power a
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News YahooFinance 9 days ago
Fluxnium Secures $7 Million Seed Round to Build a New Domestic Supply of Uranium
Fluxnium, Inc. (Fluxnium), a pioneer of domestic uranium supply adsorbed from seawater, today announced a $7 million seed round led by Congruent Ventures, with participation from Constellation Technology Ventures, the venture investing organization within
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Press release PRNewswire 9 days ago
Fluxnium Secures $7 Million Seed Round to Build a New Domestic Supply of Uranium
/PRNewswire/ -- Fluxnium, Inc. (Fluxnium), a pioneer of domestic uranium supply adsorbed from seawater, today announced a $7 million seed round led by...
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News news.qq.com 12 days ago
Fluxnium:从海水提取铀燃料的初创公司_腾讯新闻
清洁技术初创公司Fluxnium找到了利用海水中5万年铀燃料储量的方法 美国计划到2050年将核电装机容量提升至三倍但如果电厂运营商无法以合理价格购买燃料这一目标可能会遇到阻碍 ....
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News TechCrunch 13 days ago
Exclusive: Clean tech startup Fluxnium found a way to tap 50,000 years' worth of nuclear fuel
Fluxnium's fibers can extract uranium directly from seawater, which has enough of the nuclear fuel to power thousands of generations.
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People

Jeff Green
Executive Officer, Director
James McDermott
Executive Officer, Director
Kevin Kopczynski
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Santa Monica United States
HQ
10-50 est. staff

Financials

Total raised
$7M
Latest round
Seed
Funding rounds
1
Funding rounds
Round Announced Amount
Seed 2026 $7M Details