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Commonwealth Fusion Systems
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Commonwealth Fusion Systems

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http://www.cfs.energy/
Last activity: 08.11.2026
Active
Categories: CleanTechDeepTechEnergyFusionSustainability
Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.

CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. CFS is now building SPARC, the world's first commercially relevant, net energy fusion demonstration device. SPARC will pave the way for the first fusion power plant, ARC, that will produce power on the grid.

The ultimate mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change.

If you are interested in joining our team, check out cfs.energy/careers for more information.
Followers
16.13K
Website visits
23.1K /mo.
Mentions
84

Overview

Location
United States
Employees
51-200
Total raised
$6.86B
Founded date
2018

Investors 14

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Funding Rounds 5

Mentions in press and media 84

DateTitleDescription
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Nov 8, 2026Японская компания построит в Германии производство сверхпроводников для стартапа Proxima FusionЕвропейский стартап Proxima Fusion заключил меморандумы о взаимопонимании с двумя японскими промышленными партнерами. Компания из Мюнхена договорилась о сотрудничестве с корпорацией Fujikura и предприятием Kyoto Fusioneering. Подписание док...
Nov 7, 2026The race is on to build the first fusion power plant — and Europe is looking to Japan for helpFusion energy has the potential to provide abundant, clean power. Now, the race is on to develop the world’s first commercial plant. But the specialized metallic tape used in the process is in short supply, with only a small number of manuf...
Sep 30, 2026Zenithon raises $10M to build world models for extreme physicsUK AI startup Zenithon has raised $10 million to build what it describes as the first world models for extreme physics and accelerate the development of technologies that will define the 21st century. Its backers include BACKED, Lunar, Sera...
Jul 31, 2026CAIS Secures $170M Series D, Propelling AI-Driven Alternative Investments to $2 Billion ValuationCAIS secured $170M in Series D funding. This capital injection values the alternative investment platform at $2 billion. Vista Equity Partners led the round. Key investors included AllianceBernstein and Carlyle. The funds will aggressively ...
Jul 31, 2026Commonwealth Fusion Systems: $1 Billion Fuels Commercial Fusion Energy FutureCommonwealth Fusion Systems (CFS) secured $1 billion in fresh equity funding. This landmark investment pushes their total capital raised to $4 billion. The substantial capital injection fuels development of two critical projects: SPARC and ...
Jul 31, 2026Commonwealth Fusion Systems Raises $1B From Pension Funds in Fusion Industry FirstBy Daniel Butler Published: Jul 31 2026, 3:42 PM EDT Share on Facebook Share on Twitter Share on LinkedIn Share on Reddit Share on Flipboard
Jul 30, 2026Commonwealth Fusion Systems Raises $1 Billion in FundingCommonwealth Fusion Systems, a Devens, MA-based commercial fusion energy company, raised $1 Billion in additional equity financing. Backers were not disclosed. The raise brought the total amount to $4 Billion. The company intends to use the...
Jul 30, 2026CAIS Raises $170M At $2 Billion Valuation To Expand Alternative Investment PlatformFunding Fuels Platform Expansion And AI Development The New York-based alternative investment platform CAIS secured $170 million in Series D financing that will support the enhancement of the firm’s technology platform and fuel expansion. T...
Jul 30, 2026Commonwealth Fusion Systems Raises Additional $1 Billion, Bringing Total Raised To $4 BillionCommonwealth Fusion Systems announced it raised $1 billion in additional equity financing. The company said this is the largest single funding round among fusion energy companies worldwide since its $1.8 billion Series B round in 2021. With...
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FAQ about Commonwealth Fusion Systems

When was Commonwealth Fusion Systems founded?

Commonwealth Fusion Systems was founded in 2018.

How much funding has Commonwealth Fusion Systems raised?

Commonwealth Fusion Systems has raised $6.86B in total across 5 funding rounds.

What funding rounds has Commonwealth Fusion Systems raised?

Parsers VC lists 5 funding rounds of Commonwealth Fusion Systems, among them a funding round of $863M on Sep 1, 2025, a funding round of $1.8B on Dec 1, 2021 and a Series A round of $84M on May 29, 2020.

Who has invested in Commonwealth Fusion Systems?

Parsers VC lists 14 investors of Commonwealth Fusion Systems, among them NTT Docomo Ventures, Neva SGR and Something Good Ventures.

What has the press written about Commonwealth Fusion Systems?

Parsers VC has collected 84 articles mentioning Commonwealth Fusion Systems, among them “Японская компания построит в Германии производство сверхпроводников для стартапа Proxima Fusion” (Nov 8, 2026) and “The race is on to build the first fusion power plant — and Europe is looking to Japan for help” (Nov 7, 2026).

Is Commonwealth Fusion Systems still active?

Yes, Commonwealth Fusion Systems is active; its latest activity on Parsers VC dates from Nov 8, 2026.