X-Energy Raises $700 Million for Advanced Nuclear Reactor Design

X-Energy LLC, an advanced nuclear technology company backed by Amazon.com Inc., raised some $700 million from investors led by Jane Street Group to commercialize its small reactor.

The oversubscribed Series D funding round included new investors ARK Invest and Corner Capital, as well as existing backers such as Ares Management and Emerson Collective, according to a statement Monday.