Nebius Group N.V. (NASDAQ: NBIS) surged more than 18% on July 21 after NVIDIA Corporation (NASDAQ: NVDA) disclosed a 9.3% beneficial ownership stake in the AI cloud infrastructure company, as reported by CNBC.
The disclosure stems from Nvidia’s previously announced $2 billion strategic investment, reinforcing investor confidence that Nebius is becoming one of Nvidia’s most critical AI infrastructure partners.
Nvidia’s 9.3% stake signals that the GPU giant views Nebius as a strategically vital partner rather than simply another cloud customer in its ecosystem.
The two companies have agreed to collaborate on building next-generation AI cloud infrastructure, with Nebius set to deploy more than 5 gigawatts of Nvidia-powered AI systems by 2030.
That deployment target would position Nebius as one of the world’s largest dedicated AI cloud providers, a significant status in an increasingly competitive market.
Being a designated Nvidia strategic partner could also give Nebius earlier access to next-generation GPUs, including Rubin hardware, Vera CPUs, and Bluefield networking technology, accelerating its capacity rollout.
Nebius has already demonstrated commercial momentum, having secured a $17 billion deal with Microsoft and an expanded deal worth up to $27 billion with Meta Platforms for AI infrastructure supply in the United States.
The company has also entered into a senior secured debt facility of approximately $775 million, which it intends to use to accelerate the global build-out of its full-stack AI cloud platform.
Northland responded to the secured debt financing by maintaining an Outperform rating on the stock and raising its price target to $410 from $248, reflecting growing institutional confidence in the company’s trajectory.
Hedge fund interest has also grown modestly, with 60 hedge funds holding Nebius shares at the end of the first quarter of 2026, up from 54 hedge funds at the end of the fourth quarter of 2025.
Notable institutional moves in the first quarter of 2026 include Orbis Investment Management increasing its position by 150% and Value Aligned Research Advisors raising its stake by 76%, while Two Sigma Advisors opened a new position entirely.
Despite the institutional support, Nebius remains one of the most heavily shorted large-cap AI infrastructure stocks, with 61 million shares sold short and short interest sitting at around 24%.
Elevated short interest suggests a significant portion of the market remains skeptical about Nebius’ valuation and its ability to execute on its ambitious capital-intensive growth plans.
Building AI infrastructure at this scale requires continuous multi-billion dollar investment in GPUs, data centers, networking, and power infrastructure, which could delay profitability and necessitate future capital raises.
Nebius also faces formidable competition from Amazon AWS, Microsoft Azure, and Google Cloud, all of which possess considerably greater resources and established enterprise customer bases.
Investors are currently pricing in years of rapid revenue expansion, making NBIS shares particularly sensitive to any slowdown in broader AI spending trends or infrastructure demand.
With nearly 10% ownership, Nvidia has made Nebius one of its largest strategic infrastructure investments, fundamentally altering how the market should assess the company’s long-term competitive positioning.
The combination of Nvidia’s endorsement, major customer contracts, and growing hedge fund interest makes NBIS a speculative but strategically compelling growth play, one that may also experience sharp volatility driven by its elevated short interest.
