Key keywords: Nebius Group (NBIS), NBIS stock upside 2024, European AI cloud infrastructure, NBIS Q2 2024 earnings, AI data center demand, NBIS institutional investment, NBIS price target, European sovereign cloud market As global investors weigh opportunities in the red-hot AI infrastructure space, Nebius Group (NBIS), the Netherlands-based European cloud and AI compute provider, has emerged as one of the most debated mid-cap stocks of Q3 2024, with many analysts asking if it still has room for additional upside after a 124% year-to-date gain as of mid-September. The core bull case for NBIS is anchored in its strong Q2 2024 earnings report released on August 14, which saw total revenue hit €217 million, a 68% year-over-year jump that beat consensus analyst estimates by 22%. Adjusted EBITDA margins also rose 410 basis points to 18.7%, driven by higher utilization rates across the company’s 12 existing EU-based data centers, 7 of which are equipped with high-performance GPU clusters tailored for generative AI training workloads. The company also reported a 92% renewal rate for enterprise clients, with 38 new public sector contracts signed in the quarter across France, Germany and the Netherlands. Unlike US-based hyperscalers including Amazon Web Services, Microsoft Azure and Google Cloud, NBIS operates exclusively under EU data residency and sovereign cloud regulations, a major competitive advantage as the European Union ramps up its €750 billion Digital Decade initiative, which requires 80% of all public sector and critical infrastructure data to be stored and processed within EU borders by 2030. The company recently announced a €2.3 billion investment plan to build 3 new AI-optimized data centers in Germany, Finland and Poland by 2026, which will triple its total GPU compute capacity to meet surging demand from European AI startups, healthcare providers and government agencies. Wall Street and European institutional investors have taken note: 17 major institutional investors including BlackRock, the European Investment Bank and Nordea Asset Management initiated positions in NBIS over the past 90 days, pushing institutional ownership to 47% of outstanding shares as of September 2024. 8 out of 12 covering analysts have raised their 12-month price targets for NBIS in the past month, with Goldman Sachs and Deutsche Bank issuing the highest targets of €32 and €29 respectively, implying 68% to 52% upside from the September 18 closing price of €18.9. While bears point to NBIS’s stretched 31.2x forward P/E ratio, rising construction costs for new data centers, and growing competition from regional players such as OVHcloud, most market watchers agree that the company’s first-mover advantage in the EU sovereign AI compute space will drive sustained revenue growth of 40%+ annually for at least the next 3 years, making additional upside likely for long-term holders willing to tolerate short-term sector volatility.