Nebius Group raised approximately $4.2 billion through a combined public and private offering aimed at financing its global AI infrastructure expansion. The Amsterdam-based company closed the sale of 10.8 million Class A ordinary shares at $92.50 per share, generating about $1 billion in proceeds, with underwriters holding a 30-day option to purchase an additional 1.6 million shares. In parallel, Nebius completed a private placement of $3.16 billion in convertible senior notes across two series: 1.00% notes due 2030 and 2.75% notes due 2032.
The capital will support Nebius’s recently announced multi-year agreement with Microsoft to deliver AI infrastructure, as well as broader growth initiatives. The company plans to allocate proceeds toward acquiring additional compute and hardware capacity, securing strategic land parcels with reliable energy supply, and expanding its data center footprint. Nebius highlighted that future debt secured against the Microsoft contract will further finance its infrastructure buildout.
Goldman Sachs served as lead book-runner on the equity sale, with Morgan Stanley, BofA Securities, and Citigroup participating as joint book-runners. The notes were sold to qualified institutional buyers under Rule 144A. Nebius operates globally with R&D hubs across Europe, North America, and Israel, and also backs ventures including Avride (autonomous driving), TripleTen (edtech), ClickHouse, and Toloka.
• Raised $4.2B total: ~$1B from Class A shares, $3.16B from convertible notes
• Equity sale: 10.8M shares at $92.50, with 30-day option for 1.6M more
• Notes: $1.58B each of 2030 and 2032 maturities, private Rule 144A placement
• Capital to fund AI infrastructure for Microsoft, hardware expansion, and land acquisitions
• Goldman Sachs led equity book-running; Morgan Stanley, BofA, Citigroup co-managers
“Nebius is building a full-stack infrastructure platform to meet the demands of the global AI industry,” the company said.
🌐 Analysis: Nebius’s $4.2B raise positions it among the most well-capitalized players in the AI infrastructure sector, following recent large-scale financings by rivals such as CoreWeave and Lambda. The Microsoft partnership provides Nebius with strong counterparty credit backing, a key factor for accessing debt markets at favorable terms. The move underscores the accelerating capital race to secure compute, land, and energy for hyperscale AI buildouts.
Nebius, headquartered in Amsterdam, is an AI infrastructure company that originated as a spin-out from Yandex’s cloud division in 2023. The company’s mission is to build scalable, high-performance compute and cloud platforms to support the rapidly growing demands of artificial intelligence and large-scale data processing. Its technology stack spans GPU clusters, high-speed interconnects, cloud-native orchestration, and sovereign AI cloud services tailored to enterprise and government needs. Nebius is led by CEO Andrei Korshunov, a longtime Yandex executive with experience in cloud and search technologies. The company operates hyperscale data centers in Europe and Israel, and it partners with NVIDIA and other ecosystem players to deliver AI compute capacity. Key milestones include its launch as an independent entity in 2023, early sovereign cloud partnerships in the EU, and a September 2025 IPO on NASDAQ under the ticker NBIS, raising $4.2 billion through a combined public share and convertible note offering. The company is backed by institutional investors and is expanding its footprint to meet surging AI infrastructure demand.