Hexium
Nuclear Engineering · Energy Storage
3open roles
$8Mlatest round · Venture round · Jul 2024 · 2 yr ago
$409krevenue · 2024 · French register
2backers · MaC Venture Capital, Refactor Capital
Overview
Hexium is building the next generation of isotope enrichment technology to fuel the nuclear renaissance, starting with lithium.
Funding and backers
Total raised
$8M
1 round on record
Latest round
$8M
Venture round · Jul 2024 · 2 yr ago
Team
6–9
French register · Dec 2023
Hiring now
4
+2 posted in 30 days
Revenue
$409k
2024 · French register
Backers
2
MaC Venture Capital, Refactor Capital
The money's age
Long since its last round
27 months since the last round · and hiring
Momentum
20/100
hiring for its size
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
Jul 15, 2024
Raised a round Venture round $8M · SEC Form D
Jul 1, 2020
Founded per the company register
Tractionpublic signals, read monthly
Web presence
top 8%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Jul 2024 | $8M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Hexium Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Anthony RubioPrésident de SAScompany register
Leonard JarrottExecutive Officer, DirectorSEC Form D
Jacob PetersonExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Jobs
Equity · In office · Top Secret · 3+ years exp · PhD · Austin
Python
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≈ $115k – $212k per year (Estimated) · Equity · In office · Top Secret · 5+ years exp · Bachelor's Degree · Austin
Python
KiCad
Cadence Allegro
SpaceTech
ANSYS
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≈ $89k – $168k per year (Estimated) · Equity · In office · Top Secret · 5+ years exp · Bachelor's Degree · Austin
SolidWorks
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Growth
Hiring Momentum
66/100
Growing
Open positions
4
2 opened / 1 closed in 30 days
Median time-to-fill
32 days
faster than 41% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Hardware
50% ▲
Science & Research
25% ▲
Industrial Engineering
25% ▼
Activity Timeline
Added ANSYS to stack
Oct 2026
Added Python to stack
Oct 2026
Added KiCad to stack
Oct 2026
Added Cadence Allegro to stack
Oct 2026
New location: Livermore
Sep 2026
Added SolidWorks to stack
Sep 2026
Financials
Est. Annual Revenue
$409k
2024
Total raised
$8M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2024 | $8M | Details |
People

Anthony Rubio
Président de SAS

Leonard Jarrott
Executive Officer, Director

Jacob Peterson
Executive Officer, Director

Mike Palank
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
Tech stack
Technologies named in job postings at Hexium over the last 12 months, by layer, with the share of postings for each.
Technologies in use
5
Postings analysed
4
Stack modernity
68/100
Languages
Python
Developer tools
Cadence Allegro
KiCad
SolidWorks
ANSYS
Sign in to see how your skills match this stack
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Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors

Refactor CapitalVia a fund

MaC Venture CapitalVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
Oklo Enters Strategic Collaborations With Hexium and TerraPower to Launch New Pathway for Domestic HALEU Enrichment
Read more
Report
Report
Enriched lithium and the race for advanced nuclear technologies
Countries eyeing leadership in advanced nuclear technology face an urgent need to establish lithium isotope separation capabilities.
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
1
Countries
2
Busiest office
Austin
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Montpellier
France
HQ
Austin
United States
Regional office
Austin
4 open roles 4 posted in 90 days 50% engineering 25% remote 1-10 est. staff
hires for Hardware, Management, Science & Research
Livermore
United States
Regional office
LLNL






