Commonwealth Fusion Systems (CFS) announced on August 28, 2025, that it raised $863 million in an oversubscribed Series B2 fundraising round. Galaxy Interactive, a venture platform within Galaxy Digital Inc., participated in this significant investment. CFS aims to accelerate the commercialization of fusion energy and is working to complete its SPARC fusion demonstration machine and develop its first ARC power plant.
This funding round, which is the largest among deep tech and energy companies since CFS's $1.8 billion Series B round in 2021, attracted a diverse group of international investors. Galaxy Interactive's participation highlights Galaxy Digital's broader strategy of investing in cutting-edge technologies that have the potential to reshape global infrastructure and energy systems.
Sam Englebardt, General Partner of Galaxy Interactive, expressed excitement about backing CFS as it aims to transform decades of innovation in deep technologies into scalable, limitless power. This investment reflects Galaxy's commitment to supporting bold, world-changing ambitions and shaping the next era of global infrastructure, aligning with the growing demand for power driven by electrification and AI.
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