Nebius Stake Sparks Stock Rally

Nebius stake disclosure by Situational Awareness sent shares higher and tightened trader focus on ownership, Q1 growth, and large customer contracts.

May 28, 2026·2 min read
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Flat vector of a GPU server rack under a spotlight to symbolize the Nebius stake disclosure and market reaction.

KEY TAKEAWAYS

  • Situational Awareness disclosed a 5.6% beneficial stake via a U.S. securities filing.
  • Nebius shares rose more than 10% following the disclosure.
  • Q1 2026 revenue was $339M; EBITDA turned positive and net income was $621M.

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Nebius Group N.V. shares rose after Situational Awareness, a hedge fund led by former OpenAI researcher Leopold Aschenbrenner, disclosed a stake in the company through a U.S. securities filing. The announcement drew attention to Nebius’s rapid Q1 growth and multiyear customer agreements.

Stake Disclosure and Market Reaction

On May 27, 2026, Situational Awareness reported a 5.6% beneficial ownership in Nebius Group N.V. The position includes more than 12 million Class A shares, valued at about $2.6 billion at the referenced close, making the fund one of Nebius’s largest public shareholders. Following the disclosure, Nebius shares rose more than 10% in premarket trading on May 28.

Financial Performance and Strategic Partnerships

Nebius reported Q1 2026 revenue of $339 million, a 684% increase year over year. The company turned positive on EBITDA, a proxy for operating profit, and posted net income of $621.2 million, reflecting significant operating leverage as it scales capacity.

The company’s growth is supported by a five-year, $27 billion capacity agreement with Meta Platforms. This contract includes $12 billion in dedicated computing resources and up to $15 billion in additional support commitments. NVIDIA also invested $2 billion in Nebius to deepen collaboration on GPU-focused AI infrastructure and model development.

Headquartered in Amsterdam, Nebius describes itself as a "neocloud" AI infrastructure provider specializing in GPU capacity for AI model training and cloud services for hyperscalers and large AI customers. The company is positioned as a post-restructuring pure-play infrastructure provider rapidly expanding revenue and capacity with disciplined execution.

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