Nebius (NBIS) Shares Surge 11% After Ex-OpenAI Employee’s Fund Discloses 5.6% Stake

05/28/2026, 10:31 AM economy stock_growth ai Nebius

Nebius, a Dutch cloud provider specializing in AI compute, saw its stock rise by 11% in premarket trading following the announcement that Situational Awareness, managed by Leopold Aschenbrenner, acquired 12.4 million Class A shares. This stake is significant as it reflects confidence from a fund that manages billions and focuses on AI infrastructure.

Year-to-date, Nebius shares have increased by 149%, driven by strategic partnerships, including a notable $27 billion agreement with Meta to provide substantial compute capacity over five years. Additionally, a $2 billion investment from Nvidia further solidifies Nebius's role in the AI sector, emphasizing its importance in the deployment of AI infrastructure and technology

Stocks in this article

Company Price Change Change % AI
Nebius NBIS.US 211.69 -8.43 -3.83% Hold

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