Who are Realta Fusion's investors?

Realta Fusion's investors include Alumni Ventures, Avila, Khosla Ventures, TitletownTech, Baruch Future Ventures, Future Ventures.

How much funding has Realta Fusion raised?

Realta Fusion has disclosed $44.5M raised across 2 rounds.

Where is Realta Fusion headquartered?

Realta Fusion is headquartered in Madison, US.

Realta Fusion

Madison, US · Founded 2022 · Delaware corporation · 66 employees on LinkedIn · 6 known investors

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Realta Fusion develops fusion energy technology to generate zero-carbon electricity and industrial process heat for global use. The company aims to decarbonize industrial and energy sectors worldwide through economic fusion-based power generation.

Cleantech Deep Tech Energy

Founders & leadership

Realta Fusion was founded in 2022 by Kieran Furlong, Cary Forest, Jay Anderson, Ben Lindley, and Oliver Schmitz.

Kieran Furlong FounderKieran Furlong is CEO and co-founder of Realta Fusion, and brings experience from roles in venture capital, startups, and manufacturing. He holds an MBA from Stanford University Graduate School of Business.

Cary Forest FounderCary Forest is a plasma physicist and professor at the University of Wisconsin-Madison who directs the Wisconsin Plasma Physics Laboratory and leads the Wisconsin HTS Axisymmetric Mirror (WHAM) experiment; his research spans fusion energy systems, plasma confinement, and astrophysical plasma phenomena, with prior work on spherical tokamak development and advanced tokamak performance at DIII-D.

Jay AndersonFounder

Ben LindleyFounder

Oliver Schmitz Co-Founder, Plasma Facing ComponentsOliver Schmitz is the Thomas and Suzanne Werner Professor for Plasma Physics in the Nuclear Engineering and Engineering Physics Department at UW Madison, where he has held Dean's-level research leadership roles in the College of Engineering. He is co-founder of Realta Fusion, a fusion energy company spun out from UW Madison.

Board

Maryanna Saenko Board directorCo-founder at Future Ventures

Alice Brooks Board directorInvestor at Khosla Ventures

Investors · 6

Alumni Ventureslisted by Alumni VenturesManchester · $100K – $10M

How we know: av.vc · Not right? Tell us

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

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

Khosla Ventureslisted by Khosla VenturesMenlo Park · $100K – $20M

How we know: Khosla Ventures's portfolio page · a partner's Signal profile · board seat on SEC Form D · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

TitletownTechlisted by TitletownTechGreen Bay · $100K – $2M

How we know: TitletownTech's portfolio page · a partner's Signal profile · the VCSheet dataset · Not right? Tell us

Baruch Future VenturesreportedSan Francisco · $100K – $1M

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

Future VenturesinferredLos Altos · $1M – $10Mvia Maryanna Saenko · board

How we know: board seat on SEC Form D · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$44.5M disclosed across 2 rounds · 2023–2025

▶$35.5MraisedMay 2025 · 15 investors · Other Energy

Rule 506(b)

Officers, directors & promoters on the filing

Kieran FurlongExecutive Officer, Director
Maryanna SaenkoDirector
Cary ForestDirector
Alice BrooksDirector

Offering amount: $35.5M
Amount sold: $35.5M
First sale: May 2025
Incorporated: Corporation, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$9MraisedMay 2023 · 2 investors · Other

Rule 506(b)

Officers, directors & promoters on the filing

Kieran FurlongExecutive Officer, Director
Cary ForestDirector

Offering amount: $9M
Amount sold: $9M
First sale: May 2023
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 · 6

Tri Alpha EnergyTAE Technologies develops hydrogen-boron (aneutronic) fusion power using a beam-driven Field-Reversed Configuration reactor design, aiming to deliver utility-scale fusion electricity to the grid in the early 2030s. Through its subsidiaries, the company also works on grid energy storage solutions and cancer treatment technologies.

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.

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.

Type One EnergyType One Energy is a fusion energy startup founded by stellarator experts to design and commercialize a next-generation stellarator fusion power plant. The company develops fusion power plant technology and is working toward the first commercial fusion energy plant.

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.

InertiaInertia develops laser systems and fuel targets for inertial confinement fusion power generation. The company aims to commercialize fusion energy technology for grid-scale electricity production.

Companies working in the same space as Realta Fusion.

Frequently asked questions

What does Realta Fusion do?: Realta Fusion develops fusion energy technology to generate zero-carbon electricity and industrial process heat for global use. The company aims to decarbonize industrial and energy sectors worldwide through economic fusion-based power generation.
Who founded Realta Fusion?: Realta Fusion was founded by Kieran Furlong, Cary Forest, Jay Anderson, Ben Lindley, Oliver Schmitz in 2022.
Who are Realta Fusion's investors?: Realta Fusion's investors include Alumni Ventures, Avila, Khosla Ventures, TitletownTech, Baruch Future Ventures, Future Ventures.
How much funding has Realta Fusion raised?: Realta Fusion has disclosed $44.5M raised across 2 rounds.
Where is Realta Fusion headquartered?: Realta Fusion is headquartered in Madison, US.