Nebius Jumps 7% After Fund Discloses 5.6% Stake as AI Infrastructure Bets Deepen

3 articles · Updated · CNBC · May 28

Nebius rose 7% after the open after Situational Awareness disclosed ownership of 12.4 million Class A shares, a 5.6% stake in the U.S.-listed Dutch cloud provider.
The buyer is the hedge fund founded by former OpenAI researcher Leopold Aschenbrenner, which says it invests in the physical infrastructure needed for AI and manages billions of dollars.
Nebius has already climbed 149% this year as it expanded its role as a European AI compute provider, helped by a $27 billion Meta agreement and a $2 billion Nvidia investment in March.
Power supply remains a key constraint for the company in Europe, and it last week struck a $2.6 billion deal with Bloom Energy to speed electricity generation at its U.S. data centers.

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