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Nebius Hits Record High After $17.4B Microsoft AI Deal

Nebius Group’s (NBIS.O) shares surged 43% to a record $91.75 on Tuesday after striking a $17.4 billion, five-year deal with Microsoft to supply AI infrastructure. The contract could rise to $19.4 billion if Microsoft scales up demand, making it one of the largest partnerships in the rapidly growing AI data center sector.

Deal Impact

  • Nebius will supply dedicated GPU infrastructure from its new Vineland, New Jersey data center, starting later this year.

  • Microsoft has been facing AI cloud shortages and is relying on external providers like Nebius and CoreWeave to meet client demand.

  • Rival CoreWeave’s shares rose 4.4% in parallel, reflecting investor optimism for the broader AI cloud sector.

Market Significance

  • Nebius stock has more than doubled in 2025, driven by global AI demand and investor enthusiasm.

  • Analysts said the deal de-risks Nebius’ capacity expansion and cements its position as a key supplier to hyperscalers and AI labs.

  • BWS Financial analyst Hamed Khorsand called it “unprecedented clarity on long-term revenue potential.”

Strategic Outlook

  • The agreement builds on Nebius’ full-stack AI cloud model, which provides Nvidia-powered computing, storage, and developer tools.

  • CEO Arkady Volozh said the deal will accelerate AI cloud growth from 2026 onward, reinforcing Nebius’ expansion strategy.

  • Founded from the spinoff of Yandex assets, Amsterdam-based Nebius is now seen as a leading independent AI infrastructure provider.

Nebius Signs $17.4 Billion AI Infrastructure Deal With Microsoft

Nebius Group (NBIS.O) announced on Monday a five-year agreement with Microsoft (MSFT.O) to provide GPU infrastructure capacity, a deal valued at $17.4 billion that could expand to $19.4 billion if additional services are acquired. The news sent Nebius shares surging more than 47% in after-hours trading.

The partnership highlights the escalating demand for high-performance AI compute as tech giants race to secure infrastructure for training and running advanced models. Under the deal, Microsoft will gain access to Nebius’ dedicated GPU infrastructure from a new Vineland, New Jersey data center starting later this year.

Nebius specializes in offering AI cloud services powered by Nvidia GPUs, combining computing, storage, management tools, and in-house designed hardware to support AI developers. CEO Arkady Volozh said the deal is not only financially significant but also positions Nebius for accelerated AI cloud growth from 2026 onwards.

Microsoft already stands as the largest customer of CoreWeave (CRWV.O), another AI infrastructure provider. The Nebius agreement suggests the company is broadening its supply chain to mitigate risks as hyperscaler demand grows.

Amsterdam-based Nebius was formed after the split of Russian tech giant Yandex, and has been expanding rapidly into the U.S. and European AI infrastructure markets.

Quantum Computing Firm Infleqtion to Go Public via $1.8B SPAC Deal

Infleqtion, a quantum computing and precision sensor company, announced Monday it will go public through a merger with Churchill Capital Corp X, a SPAC led by Wall Street dealmaker Michael Klein, valuing the startup at $1.8 billion pre-investment.

The transaction is expected to provide Infleqtion with over $540 million before costs, including $416 million from the SPAC’s trust account and more than $125 million in PIPE funding from investors such as Maverick Capital, Counterpoint Global, and Glynn Capital.

The merged company will list under the ticker “INFQ” on a North American exchange, with closing expected by late 2025 or early 2026.

Founded in 2007, Infleqtion has raised $283 million to date and employs about 185 staff. Its quantum systems and sensors are already in use by Nvidia, NASA, the U.S. Department of Defense, and the UK government. The company reported $29M in trailing 12-month revenue as of June 30 and projects $50M in booked and awarded business by end-2025.

Proceeds from the deal will accelerate product development and expand quantum applications in AI, national security, and space exploration.

Quantum peers IonQ, Rigetti, and D-Wave have also gone public via SPACs in recent years, though with mixed results amid challenges scaling the technology commercially. Infleqtion hopes its government partnerships and enterprise clients give it an edge in bridging R&D with practical deployment.