Cfs

Provider of tokamak nuclear fusion reactors

placeCambridge, Massachusetts, United States calendar_todayFounded 2018 groups151 employees language cfs.energy

Registered entities

Social engagement

Social engagement: 67.1K social following, 8 posts in the last 12 months — below the industry typical range.

Investor mix

70 investors on record; lead investors include Future Ventures, Khosla Ventures, Lowercase Capital, Schooner Capital.

Investor typeCountShare
Venture capital2434%
Private equity811%
Bank & private debt57%
Other / undisclosed3347%

Recent activity

1 Jul 2026
Partnership
UKAEA's Lithium Breeding Tritium Innovation (LIBRTI) program
22 Jun 2026
Product launch
MatDB4Fusion
Coming soon