Who founded Magrathea Metals?

Magrathea Metals was founded by Alexander Grant in 2022.

Who are Magrathea Metals's investors?

Magrathea Metals's investors include Avila, Compound, Hyperguap, Juniper, Necessary Ventures, VoLo Earth Ventures.

How much funding has Magrathea Metals raised?

Magrathea Metals has disclosed $2M raised across 1 round.

Where is Magrathea Metals headquartered?

Magrathea Metals is headquartered in Arkansas, US.

Magrathea Metals

Arkansas, US · Founded 2022 · Delaware corporation · 23 employees on LinkedIn · 6 known investors

Magrathea develops a new electrolytic process to produce magnesium metal from seawater and brines, aiming to establish American and Western supply of this defense-critical material currently dominated by China.

Advanced Manufacturing Cleantech Defense Tech New Materials

Founders & leadership

Magrathea Metals was founded in 2022 by Alexander Grant.

Alexander GrantCEO

Investors · 6

AvilaGolden Beach · $500K – $2.5Mvia Patricia Wexler · inferred

CompoundNew York · $400K – $1.5M

Hyperguap

JuniperClarksville · $100K – $1.5M

Necessary VenturesSan Francisco · $1M – $2M

VoLo Earth VenturesSnowmass Village · $2M

Funding

SEC filings, press & company announcements

$2M disclosed across 1 round · 2022

Undisclosed amountseed financingJun 2023
Capricorn Investment Group (lead), VoLo Earth (lead), Counteract, EQT Foundation, Exor Ventures, Hyperguap, Necessary Ventures, Untitled, Valor Equity Partners
Source ↗

▶$2MraisedApr 2022 · 26 investors · Manufacturing

Rule 506(b)

Officers, directors & promoters on the filing

Alexander GrantExecutive Officer

Amount sold: $2M
First sale: Mar 2022
Incorporated: Corporation, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 2

by search overlap

Cymbiotika7 shared keywordsCymbiotika is a direct-to-consumer wellness brand that sells nutritional supplements, including products like Golden Mind and Topical Magnesium, available via one-time purchase or subscription.

MEL Science7 shared keywordsMEL Science builds science education products and experiences, primarily using VR/AR technology, for students and lifelong learners. The company's mission is to make science engaging and accessible through digital and immersive learning tools.

Companies competing with Magrathea Metals for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Sell or Invest in Magrathea Metals Stock Pre-IPOnasdaqprivatemarket.com · Mar 2026

TETRA and Magrathea plan joint venture for magnesium production By Investing.cominvesting.com · Dec 2025

Gunderson Dettmer Advises Magrathea Metals in its $10M Seed Financing co-led by VoLo Earth and Capricorn Investment Group | Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLPgunder.com · Jun 2023

Frequently asked questions

What does Magrathea Metals do?: Magrathea develops a new electrolytic process to produce magnesium metal from seawater and brines, aiming to establish American and Western supply of this defense-critical material currently dominated by China.
Who founded Magrathea Metals?: Magrathea Metals was founded by Alexander Grant in 2022.
Who are Magrathea Metals's investors?: Magrathea Metals's investors include Avila, Compound, Hyperguap, Juniper, Necessary Ventures, VoLo Earth Ventures.
How much funding has Magrathea Metals raised?: Magrathea Metals has disclosed $2M raised across 1 round.
Where is Magrathea Metals headquartered?: Magrathea Metals is headquartered in Arkansas, US.