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Commonwealth Fusion Systems

Energy · Harvard, United States · Founded 2018

Compact fusion power enabled by superconducting magnet technology

Investors

58 investors on Commonwealth Fusion Systems's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 5 investors entered at this stage
Fidelity Investments
Devonshire Investors
Temasek
Hostplus
Equinor
Series B+ 53 investors entered at this stage
Starlight Ventures
DFJ Growth
Moore Strategic Ventures
Eni
Development Bank of Japan
Equinor Ventures
Soros Fund Management
Coatue Management
Massachusetts Institute of Technology
Mitsui
HOF Capital
Alphabet | Google
Mitsubishi
Lowercarbon Capital
Sumitomo Mitsui Trust Bank
JERA
NEVA SGR
Tiger Global
Eni Next
Time Ventures
Eric Schmidt
The Engine
JIMCO Technology Fund
Emerson Collective
FootPrint Coalition
Mitsui Fudosan
John Doerr
Breakthrough Energy Ventures
Schooner Capital
Stanley Freeman Druckenmiller
Google AI
Khosla Ventures
Sumitomo Mitsui Banking
Planet First Partners
Woori Venture Partners US
Fine Structure Ventures
JS Capital Management
Gigascale Capital
Bill Gates
Brevan Howard Asset Management
NTT
Jgc
Fujikura
Mitsui O.S.K. Lines
Galaxy Interactive
Counterpoint Global (Morgan Stanley)
Kansai Electric Power
Safar Partners
NVentures
Future Ventures
Gates Frontier
FFA Private Bank
Senator Investment Group

Commonwealth Fusion Systems mafia

Startups founded by Commonwealth Fusion Systems alumni

Former Commonwealth Fusion Systems employees who went on to start their own companies. Sorted by Dealroom signal score.

Book a demo to explore the full alumni network →

Global footprint

Where Commonwealth Fusion Systems has talent and traffic

Workforce by country
10 countries with
team presence
🇺🇸 United States97.4%
🇨🇦 Canada0.4%
🇫🇷 France0.4%
🇬🇧 United Kingdom0.4%
🇩🇪 Germany0.3%
Top 5 of 10 shown
Web traffic by country
71K monthly visits
across markets
🇺🇸 United States44.5%
🇨🇦 Canada10.3%
🇭🇰 Hong Kong9.3%
🇦🇺 Australia5.5%
🇯🇵 Japan3.8%
Top 5 markets shown

Talent graph

The shape of Commonwealth Fusion Systems's talent

Dealroom maps Commonwealth Fusion Systems's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

10 standout operatorsDealroom-flagged across the org
6 AI specialistsincl. 4 core researchers
1,081 employees mappedperson by person
DimensionScore
AI Talentlive Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Commonwealth Fusion Systems's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Patent intelligence

$5M patent portfolio · 31 active families

Estimated portfolio value
$5M
0.09% of valuation · larger than top peer Helion Energy ($3M)
31 active patent families
Where Commonwealth Fusion Systems innovates Condensed matter physicsCoolantElectric cablesElectric current flowElectrically conductive

Where Commonwealth Fusion Systems concentrates vs peers

Each axis is a top-10 topic across Commonwealth Fusion Systems and its closest peers. #1 = 100, #10 = 10, absent = 0.

Compare against

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Commonwealth Fusion Systems

An AI-synthesized read of the highest-engagement posts about Commonwealth Fusion Systems on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Commonwealth Fusion Systems on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.