Startup · United States
Hexium
HQ AustinFounded 202311-50 employees
Hexium is pioneering the future of isotope enrichment with its advanced Atomic Vapor Laser Isotope Separation (AVLIS) technology, initially focusing on lithium to propel the nuclear renaissance. By utilizing precise laser-driven ionization and electric sorting, Hexium achieves unparalleled precision in isolating desired isotopes without the need for centrifuges or hazardous chemicals. This innovative approach not only ensures high-purity outputs but also offers a clean, scalable, and compact solution adaptable to various sectors, including clean energy and nuclear medicine. Hexium is set to revolutionize isotope production, meeting the growing demands of modern industry.
Funding3 rounds · $17.5M
- Equity raised
- $17.5M
- Debt, secondaries & grants
- $2.5M
- Latest
- $2.5MDebt · Apr 15, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Apr 15, 2025 | Debt | $2.5M | — | — | — | Reported |
| Apr 15, 2025 | Seed | $9.5M | — | MaC Venture Capital, Refactor Capital | Humba Ventures, Julian Capital, Overture Ventures, R7 Partners | Reported |
| Jul 15, 2024 | Undisclosed | $8.0M | — | — | — | Confirmed |
- Debt$2.5MApr 15, 2025
- SeedLed by MaC Venture Capital, Refactor Capital$9.5MApr 15, 2025
- UndisclosedConfirmed$8.0MJul 15, 2024
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Uranium enrichment and HALEU production | Developer | Development | — | — | Reported |
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People3
Hiring Observations1 observed listings
Electrical and Controls Engineer ↗
Austin · Full-time · Engineering
Availability unverified · Black Flag job board
Checked Oct 5, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Sources10
Profile4
- 1
PitchBook · Supports Organization · employee range
“employee_range: 11-50 (profile: 17)”
- 2
Black Flag · Supports Organization
“Pioneers next-generation isotope enrichment using advanced laser technology to produce high-purity materials for the nuclear, medical, and industrial sectors”
- 3
Crunchbase · Supports Organization · employee range
“employee_range: 11-50 (profile: 11-50)”
- 4
LinkedIn · Supports Organization · employee range
“employee_range: 11-50 (profile: 11-50 employees)”
Technologies2
- 5OtherBlack Flag 100
Black Flag · Supports Organization, Organization technology, Role
“Hexium is pioneering the future of isotope enrichment with its advanced Atomic Vapor Laser Isotope Separation (AVLIS) technology, initially focusing on lithium”
- 6
GulfOilandGas.com · Supports Organization technology
“Hexium contributes next-generation laser enrichment technology and deep technical expertise in isotope separation.”
Funding3
- 7
TechCrunch · Apr 15, 2025 · Supports Funding round · amount
“emerged on Tuesday with $9.5 million in seed funding and $2.5 million in a credit facility”
- 8
Power Technology · Apr 15, 2025 · Supports Funding round
“The funding includes an $8m seed round co-led by MaC Venture Capital and Refactor”
- 9Regulatory filingHexium Inc. - SEC Form D (0002030196-24-000001)
U.S. Securities and Exchange Commission · Jul 24, 2024 · Supports Funding round · amount
“Total Amount Sold $7,999,991 USD”
Other1
- 10
Black Flag · Supports Job posting
“Electrical and Controls Engineer”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.