Nebius (NBIS) Stock; Rises on Institutional Buying After Massive 444% Yearly Rally

TLDRs;

• Nebius extends gains after institutional investor discloses new 5.6% stake
• Stock continues massive 444% yearly surge driven by AI infrastructure demand
• Strong revenue growth and GPU shortages fuel bullish analyst sentiment
• Investors weigh rapid expansion against execution and power constraints

Nebius Group (NASDAQ: NBIS) extended its upward momentum after-hours on Wednesday following a fresh disclosure showing a significant institutional position in the AI cloud company. The filing revealed that Situational Awareness LP and related parties accumulated a 5.6% stake, totaling more than 12.4 million Class A shares.

The market reacted quickly, with shares jumping more than 11% at the time of reporting. While the filing was categorized as a passive Schedule 13G disclosure, indicating no intent to influence control, investors interpreted the move as a strong vote of confidence in Nebius’s role within the expanding AI infrastructure landscape.

Momentum Builds After Massive Rally

Nebius is already one of the standout performers in the AI infrastructure trade, with its stock up roughly 444% over the past year. The rally has been fueled by accelerating demand for high-performance computing, major cloud contracts, and strategic backing from heavyweight industry players.

Nebius Group N.V., NBIS

A key catalyst has been Nvidia’s planned $2 billion investment, which further reinforced Nebius’s position as a growing supplier in the global AI compute race. Market participants increasingly view the company as part of a new wave of infrastructure providers benefiting from the surge in generative AI development.

Despite the sharp rally, trading activity suggests momentum has not cooled, as investors continue to reprice AI infrastructure firms based on long-term demand expectations rather than short-term volatility.

Strong Financial Growth Supports Outlook

Nebius has also delivered strong operational performance that underpins the stock’s rally. In its latest quarterly results, the company reported revenue of $399 million, representing a staggering 684% increase year-over-year. Adjusted EBITDA reached $129.5 million, signaling improving efficiency as revenue scales.

Analysts often focus on adjusted EBITDA as a key indicator of whether AI-driven demand is translating into sustainable profitability. In Nebius’s case, the metric has strengthened the bullish narrative that its infrastructure model is beginning to mature alongside rapid expansion.

However, the growth comes with significant capital intensity. The company reported $2.47 billion in property, equipment, and intangible asset investments in the first quarter alone, highlighting the scale of infrastructure build-out required to meet demand.

Analysts Remain Divided but Bullish Bias Holds

Wall Street sentiment around Nebius remains broadly positive, although price targets vary significantly. Citi recently raised its target to $287, citing stronger demand and rising GPU pricing. Goldman Sachs also reiterated a Buy rating, increasing its target to $234.

Morgan Stanley, while maintaining a more cautious Hold rating, still lifted its target to $144, reflecting recognition of long-term AI tailwinds despite near-term execution risks.

More aggressive bulls, including analysts on Seeking Alpha, have placed targets as high as $342, arguing that Nebius is effectively converting AI infrastructure demand into recurring revenue streams with strong scalability potential.

AI Infrastructure Race Intensifies

Beyond earnings and price targets, Nebius is deeply embedded in a broader competition for AI computing resources. Demand for GPUs continues to outpace supply, with companies scrambling to secure capacity for training and deploying large AI models.

Nebius has secured high-profile partnerships, including agreements with Microsoft and Meta. Meta alone has committed to purchasing up to $12 billion in AI computing capacity, with potential expansion to $27 billion over time depending on usage.

For now, the stock remains one of the most closely watched names in the AI infrastructure trade, as investors weigh extraordinary growth against equally extraordinary operational demands.