Nebius (NBIS) Stock; Surges 14% After Nvidia Praise and AI Cloud Momentum

TLDRs;

• Nebius shares jumped 14% as Nvidia CEO comments boosted investor confidence in AI cloud infrastructure demand.
• Strong institutional buying and a rising AI cloud sector lifted Nebius to a new 52-week intraday high.
• The stock rally followed Nvidia endorsement, high trading volumes, and accelerating GPU cloud demand trends.
• Investors now watch upcoming conference guidance for clues on sustainability of Nebius’ rapid growth trajectory.

Nebius Group N.V. extended its powerful rally on Monday, with shares surging 14% after fresh remarks from Nvidia leadership reinforced optimism around the company’s role in the fast-growing AI infrastructure market. The stock closed at $264.51 on Nasdaq after briefly touching a new 52-week high earlier in the session, signaling strong investor appetite for “neocloud” providers tied to artificial intelligence computing demand.

Momentum accelerated after Nvidia CEO Jensen Huang referenced Nebius during a major industry keynote, describing the company as expanding rapidly and actively working within Nvidia’s ecosystem. The comments reinforced market expectations that AI cloud providers dependent on Nvidia GPUs will remain key beneficiaries of ongoing demand for large-scale AI model training and inference workloads.

AI Cloud Demand Accelerates

Nebius’ rally reflects broader strength in the AI cloud sector, where investors continue to rotate into infrastructure names positioned to supply computing power for generative AI systems. Unlike traditional cloud giants such as Amazon Web Services or Microsoft Azure, Nebius operates in a specialized “neocloud” segment focused on leasing GPU-heavy infrastructure optimized for AI workloads.

Nebius Group N.V., NBIS

This positioning has become increasingly attractive as companies race to secure access to high-performance chips, primarily supplied by Nvidia, which remain in constrained supply. The market is increasingly viewing firms like Nebius as critical intermediaries in the AI supply chain, especially as demand for model training, deployment, and inference continues to expand globally.

Trading volumes also reflected heightened interest, with more than 24 million shares changing hands, well above recent averages, suggesting institutional participation in the rally.

Institutional Buying Intensifies

Adding fuel to the upward move, regulatory filings revealed a significant new institutional stake in Nebius. Situational Awareness, alongside affiliated investors, accumulated a 5.6% position in the company, equating to more than 12 million shares. The disclosure strengthened bullish sentiment, as large-scale investors increasingly position around AI infrastructure growth themes.

Market analysts noted that institutional interest is being driven by expectations of sustained capital expenditure in AI computing. According to industry commentary, investors are seeking exposure to firms that can convert Nvidia-powered infrastructure demand into scalable revenue growth, particularly as enterprise AI adoption accelerates.

The presence of large holders has added credibility to Nebius’ rapid ascent, although it has also raised concerns about crowded positioning in the trade.

Financial Performance Strengthens Outlook

Fundamentals have also supported the stock’s momentum. Nebius recently reported quarterly revenue of $399 million, representing a staggering 684% year-over-year increase. Adjusted EBITDA reached $129.5 million, underscoring improving operating leverage as the company scales its AI cloud services.

The strong financial performance has encouraged bullish analyst revisions. Citigroup, for instance, raised its price target significantly to $287 while maintaining a Buy rating, reflecting confidence in continued growth. However, the sharp rally has also left some analysts cautious, noting that valuation expectations may already be pricing in aggressive future expansion.

Meanwhile, peer companies in the AI infrastructure space, including CoreWeave, also posted double-digit gains, reinforcing the idea that the rally is sector-wide rather than company-specific.

For now, Nebius remains firmly positioned at the center of the AI cloud narrative, with Nvidia’s endorsement and accelerating institutional interest fueling one of the sector’s most closely watched rallies of the year.