[Commonwealth Fusion Systems in PR Newswire] Commonwealth Fusion Systems raises $863 million series B2 round to accelerate the commercialization of fusion energy 

DEVENS, Mass., Aug. 28, 2025 /PRNewswire/ — Commonwealth Fusion Systems (CFS), the largest and leading private fusion company, today announced that it raised $863 million in a Series B2 fundraising round as it moves closer to being the first in the world to commercialize fusion power.