Nebius' Q1 Loss Widens Y/Y, Revenues Rise on Strong Core AI Growth

Nebius Group N.V. (NBIS) reported a Q1 2025 adjusted net loss of $92.5 million, widening 19% year-over-year, despite a 385% surge in revenue to $55.3 million driven by its core AI business; the company reaffirmed its full-year revenue guidance of $500 million to $700 million and ARR guidance of $750 million to $1 billion, while increasing its capital expenditure forecast to $2 billion. The company anticipates adjusted EBITDA to be negative for the full year but expects to turn positive in the second half of 2025 and also announced a strategic investment in its AI data solutions business, Toloka, led by Bezos Expeditions.

Analysis

Nebius Group N.V. (NBIS) reported a mixed first-quarter 2025, characterized by a remarkable 385% year-over-year surge in revenues to $55.3 million, driven by its core artificial intelligence (AI) cloud platform. However, this aggressive growth phase is accompanied by widening losses, as the adjusted net loss increased by 19% to $92.5 million and the loss from operations expanded to $129.5 million from $82.9 million a year ago. The company's adjusted EBITDA loss narrowed to $62.6 million from $70.9 million, and management reaffirmed its expectation to achieve positive adjusted EBITDA in the second half of 2025. Nebius maintained its full-year 2025 revenue guidance of $500-$700 million and Annual Recurring Revenue (ARR) guidance of $750 million-$1 billion. Concurrently, the company raised its 2025 capital expenditure forecast significantly to approximately $2 billion from $1.5 billion, which contributed to a substantial decrease in cash and cash equivalents to $1.447 billion as of March 31, 2025, down from $2.4496 billion at the end of 2024. A strategic investment in its AI data solutions business, Toloka, led by Bezos Expeditions, is set to alter its reporting structure, with Toloka being deconsolidated and treated as an equity method investment, potentially unlocking value and sharpening focus on the core AI infrastructure. Despite the current losses, the stock has surged 66.6% in the past six months, reflecting investor optimism about its AI-centric growth strategy.

Key Decisions for Investors

• Investors should closely monitor Nebius's execution towards achieving positive adjusted EBITDA in the second half of 2025, as this will be a critical validation of its high-growth, high-investment strategy.
• The increased capital expenditure to $2 billion and the significant reduction in cash reserves warrant careful assessment of the company's cash burn rate, capital efficiency, and potential future funding requirements.
• The strategic deconsolidation and external investment in Toloka should be evaluated for its impact on Nebius's overall valuation and focus, while the core AI business's ability to meet its ambitious revenue and ARR targets remains paramount for sustaining investor confidence.