FUNDING
Key Metrics
Company Snapshot
Commonwealth Fusion Systems is a Energy company, based in Devens, Massachusetts, USA, founded 2018. Total funding $4B (As of Jul 30, 2026).
Recent changes
- Jul 30, 2026Jul 30, 2026Raised $1B TechCrunch
- Jul 30, 2026Jul 30, 2026Raised $1B Growth TechCrunch
- Jul 30, 2026Jul 30, 2026First reported total funding: $4B TechCrunch
Funding History
2 events · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Jul 30, 2026 | funding round | $1B | — | Pulse story | |
| Jul 30, 2026 | Growth | $1B | — | TechCrunch |
Investors
Latest Pulse
- Aug 15, 202618 Fusion Startups Have Now Raised Over $100M EachAt least 18 fusion-energy companies have raised more than $100 million each in private capital, led by Commonwealth Fusion Systems at roughly $3.94 billion and Helion at $3.2 billion in committed capital.→
- Aug 1, 2026Why 2026's VC Boom Keeps Getting More ConcentratedGlobal startup funding hit a record $510 billion in H1 2026, but the gains are concentrating in fewer, much larger checks -- a pattern this week's megarounds from Commonwealth Fusion, K2 Space and Antora Energy all reinforce.→
- Jul 30, 2026Commonwealth Fusion Raises $1B More, Total Hits $4BCommonwealth Fusion Systems raised another $1 billion from pension funds, sovereign wealth funds and industrial partners, bringing total capital raised to $4 billion as it builds Sparc and designs its first commercial Arc power plant.→
Coverage Timeline
newest firstAll Coverage
FUNDING
18 Fusion Startups Have Now Raised Over $100M Each
At least 18 fusion-energy companies have raised more than $100 million each in private capital, led by Commonwealth Fusion Systems at roughly $3.94 billion and Helion at $3.2 billion in committed capital.
DEEP DIVE
FUNDING
Why 2026's VC Boom Keeps Getting More Concentrated
FUNDING
Why 2026's VC Boom Keeps Getting More Concentrated
Global startup funding hit a record $510 billion in H1 2026, but the gains are concentrating in fewer, much larger checks -- a pattern this week's megarounds from Commonwealth Fusion, K2 Space and Antora Energy all reinforce.
FUNDING
Commonwealth Fusion Raises $1B More, Total Hits $4B
FUNDING$1B raise
Commonwealth Fusion Raises $1B More, Total Hits $4B
Commonwealth Fusion Systems raised another $1 billion from pension funds, sovereign wealth funds and industrial partners, bringing total capital raised to $4 billion as it builds Sparc and designs its first commercial Arc power plant.
Related Companies
Shared investors
Same sector
Sources & methodologyshow
Where these figures come from
- TechCrunchmajor outlet3 facts
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.