SB Energy, the data centre development arm supported by SoftBank Group, will sell up to $500 million of new shares to investors in Japan as part of its plan to list in the United States, according to a regulatory filing made public on Tuesday.
The company said the share issuance to Japanese buyers will generate funds earmarked for general operating costs associated with building data centres, power generation facilities and other related infrastructure projects. The filing did not provide details on how large the U.S. initial public offering will be.
The filing reiterates material disclosed earlier in SB Energy's investment prospectus, released in September. That prospectus shows that chipmaker Nvidia has committed to invest $1.5 billion through a private placement at the IPO price. The prospectus also records that OpenAI has been issued warrants valued at roughly $5.5 billion.
Separately, SoftBank may be aiming for a valuation of $50 billion for SB Energy, the filing noted. The document did not attach certainty to that target, and did not disclose the final IPO sizing or timetable.
Investor appetite for artificial intelligence and related technologies has helped spur a series of public offerings among firms tied to the AI ecosystem this year. The company filing referenced a broader wave of listings, noting that SpaceX completed a listing in June and that Anthropic is preparing for a listing later in the year. Japanese investors acquired $2.2 billion worth of SpaceX shares in that IPO, the filing indicated.
The filing outlines the capital-raising step in Japan as part of SB Energy's broader financing plan to support its development pipeline for data centres and power infrastructure. It leaves open key variables - including the ultimate size and timing of the U.S. IPO - while documenting strategic investor commitments disclosed in the earlier prospectus.
Context and implications
The move to issue up to $500 million of new shares to Japanese investors is presented in the filing as a financing measure to fund operating needs tied to project development. The prospectus details third-party investment commitments and warrant issuances, but the overall structure and sizing of the planned U.S. listing remain unspecified in the filing.