Fundraising Fox
/Companies
Sign in

Marathon Fusion

Oakland, US · Founded 2022 · Delaware corporation · 34 employees on LinkedIn · 10 known investors

Find your way into Marathon Fusion

Sign up to see every warm intro you have to Marathon Fusion

  • Paths you didn't know you had: your email and LinkedIn already hold routes to the Marathon Fusion team. We find them for you
  • 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
  • Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

Sign up with GoogleAlready have an account? Log in

Marathon Fusion develops fuel cycle technologies for fusion energy, including neutron-driven transmutation to produce radioisotopes and gold, advanced pumping for tritium burn efficiency, and isotope separation for fusion and industrial applications. The company supplies critical materials and processing technologies to the fusion energy industry.

CleantechDeep TechEnergy

Founders & leadership

Marathon Fusion was founded in 2022 by Adam Rutkowski and Kyle Schiller.

ARAdam Rutkowski
Adam RutkowskiCo-founder · CTO
KSKyle Schiller
Kyle SchillerCo-founder · CEOCo-founder of Marathon Fusion, which develops fuel cycle technologies for fusion energy, including neutron-driven transmutation, advanced pumping systems, and isotope separation for industrial and fusion applications.

Investors · 10

Divergent Capitallisted by Divergent CapitalNew York · $250K – $1M

How we know: Divergent Capital's portfolio page · Not right? Tell us

Earthrise Ventureslisted by Earthrise VenturesNew York

How we know: Earthrise Ventures's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us

Rolling Fun GPlisted by Rolling Fun GPLynnwood
Übermorgen Ventureslisted by Übermorgen VenturesZurich · $330K – $1.1M

How we know: Übermorgen Ventures's portfolio page · funding news · prnewswire.com · Not right? Tell us

Zero Knowledgelisted by Zero KnowledgeSan Francisco

How we know: Zero Knowledge's portfolio page · Not right? Tell us

1517reportedTelluride · $50K – $1M

How we know: a partner's Signal profile · Not right? Tell us

Also in the syndicate · 3

1517 FundleadAnglo AmericanleadShared Future Fund

Funding

SEC filings, press & company announcements

$10.9M disclosed across 2 of 3 rounds · 2022–2024

▶$5MraisedFeb 2024 · 25 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Adam RutkowskiExecutive Officer, Director
  • Kyle SchillerExecutive Officer, Director
Amount sold
$5M
First sale
Dec 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.

Related companies · 8

Pacific FusionPacific Fusion is developing a high-gain pulsed magnetic inertial fusion system designed to achieve net facility gain, using a modular fast electric pulser, a meter-scale fusion chamber, and small fuel containers. The company aims to produce affordable, on-demand fusion power to meet global energy demand and address climate change.
Helion EnergyHelion develops fusion energy systems designed to generate clean electricity for commercial use. The company builds pulsed magnetic fusion prototypes with applications for industrial and commercial electricity generation.
FFuse Energy develops fusion energy technology, with work spanning hardened electronics and radiation testing (HEART) and recycling of radioactive waste, aiming to provide an on-demand clean energy source. It brings together a team across engineering, fusion science, energy policy, and manufacturing.
General FusionGeneral Fusion develops Magnetized Target Fusion (MTF) technology, combining plasma physics, mechanical compression, and liquid metal systems to build a practical, cost-competitive fusion power plant. The company operates large-scale demonstration machines, including LM26 at its Vancouver facility, on a roadmap toward a first fusion plant producing energy in the mid-2030s.
Commonwealth Fusion SystemsCommonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
Avalanche EnergyAvalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications. The company also provides high-voltage vacuum components and operates FusionWERX, a commercial-scale fusion testing facility.
Proxima FusionProxima develops stellarator fusion power plants designed to deliver clean, grid-ready electricity. The company builds on stellarator research to commercialize fusion energy for global power generation.
XcimerXcimer Energy develops laser-driven inertial fusion technology, aiming to turn decades of fusion research into commercial fusion power plants that provide large-scale electricity while supporting air defense and national security applications. It is a deeptech energy company building laser and pulsed-power systems for fusion power generation.

Companies working in the same space as Marathon Fusion.

In the news

Marathon Fusion Closes $5.9M Seed Fundingfinsmes.com · Jul 2024Marathon Fusion Closes $5.9m Seed Round to Process Fuel for Fusion Energyprnewswire.com · Jul 2024

Frequently asked questions

What does Marathon Fusion do?
Marathon Fusion develops fuel cycle technologies for fusion energy, including neutron-driven transmutation to produce radioisotopes and gold, advanced pumping for tritium burn efficiency, and isotope separation for fusion and industrial applications. The company supplies critical materials and processing technologies to the fusion energy industry.
Who founded Marathon Fusion?
Marathon Fusion was founded by Adam Rutkowski, Kyle Schiller in 2022.
Who are Marathon Fusion's investors?
Marathon Fusion's investors include Collaborative Fund, Divergent Capital, Earthrise Ventures, Rolling Fun GP, Übermorgen Ventures, Zero Knowledge, 1517.
How much funding has Marathon Fusion raised?
Marathon Fusion has disclosed $10.9M raised across 2 of its 3 known rounds.
Where is Marathon Fusion headquartered?
Marathon Fusion is headquartered in Oakland, US.