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Nebius Joins Nasdaq-100 After Closing Eigen AI as Shares Surge

Index buying follows the Eigen AI deal as hyperscaler contracts and Nvidia funding underwrite a multigigawatt buildout that raises execution and power risks.

Overview

  • The Nasdaq-100 inclusion, which Nasdaq confirmed will take effect on June 22, has prompted near-term buying by index-tracking funds and helped push Nebius shares sharply higher.
  • Nebius completed its acquisition of inference specialist Eigen AI on June 10, a move intended to fold model-optimization technology into its AI cloud stack and deepen product capabilities.
  • The company reported Q1 revenue of $399 million, up 684% year over year, and showed positive adjusted EBITDA, spurring multiple Wall Street price-target upgrades even as some analysts remain cautious.
  • Management has guided very large 2026 capital spending roughly in the $20–$25 billion range with targets for multiple gigawatts of power and region-specific projects such as a £1.7 billion UK program.
  • Investor risks include heavy upfront capex, permitting and power sourcing challenges, customer concentration with large hyperscaler contracts, notable insider stock sales and elevated short interest that heighten volatility.