Magrathea Metals
Metals & Metallurgy · Non-ferrous Metals
1open role
$2Mlatest round · Convertible Note · Mar 2022 · 4 yr ago
$1Mrevenue · 2021 · SEC Form D 0001918019-22-000001
2backers · Compound, firstminute capital
Overview
Magrathea is rebuilding Western magnesium production with breakthrough electrolytic technology. $100M+ backed to end China's 95% supply dominance.
Key facts
As of Nov 13, 2026, Alion lists 1 open role at Magrathea Metals. Magrathea Metals is headquartered in San Francisco, United States. It was founded in 2022. The latest round is Convertible Note of $2M, announced in 2022.
- Open roles
- 1Its careers board, read on Nov 13, 2026
- Headquarters
- San Francisco, United StatesAlion company profile, updated Nov 13, 2026
- Founded
- 2022Alion company profile, updated Nov 13, 2026
- Employees
- 10+Alion company profile, an estimated range
- Total raised
- $2MSum of 1 equity round Alion knows
- Latest round
- Convertible Note · $2M · Mar 2, 2022SEC Form D filing · sec.gov
Official records
Funding and backers
Total raised
$2M
2 rounds on record
Latest round
$2M
Convertible Note · Mar 2022 · 4 yr ago
Team
16
US Form 5500 (plan participants) · Dec 2025 · -20% in a year
Hiring now
1
open roles
Grants
$176k
1 grant · CORDIS
Revenue
$1M
2021 · SEC Form D 0001918019-22-000001
Backers
2
Compound, firstminute capital
The money's age
Long since its last round
56 months since the last round · hiring slowed
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jul 10, 2023
Won a grant $176k · CORDIS
Mar 2, 2022
Raised a round Convertible Note $2M · SEC Form D
2022
Founded
Tractionpublic signals, read monthly
Hacker News stories
1
best: 80 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Grant | Jul 2023 | $176k | — | CORDIS |
| Convertible Note | Mar 2022 | $2M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Magrathea Metals Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Alexander GrantExecutive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
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Jobs
No jobs available at this time.
Visa sponsorship
0
H-1B filings in 12 months
1
Open roles in United States
In the register as Magrathea Metals Inc., San Francisco, CA
Other sponsors in the same field
Novelis 
Alcoa 
Arconic 
Hydro
See 1 open role Alert me
US Department of Labor · latest filing Apr 11, 2025 · Visa details by country
Growth
Hiring Momentum
29/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
Median time-to-fill
46 days
faster than 29% of the market
ATS activity
Every ~6 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.
Finance
50% ▼
Field & Service
50% ▲
Activity Timeline
New location: Salt Lake City
Oct 2026
People
Alexander Grant
Executive Officer
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
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
CompoundVia a fund
firstminute 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
Shared investors
News
TETRA TECHNOLOGIES, INC. AND MAGRATHEA METALS, INC. ADVANCE JOINT VENTURE PLANS TO PRODUCE MAGNESIUM IN ARKANSAS
TETRA Technologies, Inc. ("TETRA" or the "Company") (NYSE:TTI) announced today that it has signed a term sheet outlining key parameters to form a joint venture with Magrathea Metals, Inc. (a private company developing innovative technology for producing c
Read more
Report
- Company Announcement - FT.com
The latest company information, including net asset values, performance, holding & sectors weighting, changes in voting rights, and directors and dealings.
Read more
Report
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
2
Countries
1
Busiest office
Oakland
Loading the map
Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
San Francisco
United States
HQ
Oakland
United States
Regional office
Oakland, CA
1 open roles 2 posted in 90 days 10-50 est. staff $200k Avg Salary
hires for Field & Service
Salt Lake City
United States
1 open roles 1 posted in 90 days 10-50 est. staff $200k Avg Salary
hires for Field & Service
How to cite this page
Alion, "Magrathea Metals: key facts", as of Nov 13, 2026. https://alion.io/company/magratheametals
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0