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Situational Awareness Takes 5.6% Stake as Nvidia Praise Sends Nebius Stock Higher

Institutional buying plus public endorsement from Nvidia have boosted investor confidence in Nebius’s plan to scale to multigigawatt GPU capacity.

Overview

  • A Schedule 13G filed with the SEC and reported Monday shows Leopold Aschenbrenner’s fund Situational Awareness bought 12.4 million Nebius shares, giving it a 5.6% passive stake.
  • Nvidia CEO Jensen Huang referenced and praised Nebius onstage at a major industry keynote, a signal that helped push the stock to new 52‑week highs and lift trading volumes.
  • Nebius reported Q1 revenue of $399 million, a 684% year‑over‑year rise, and has set a 2026 goal of a $7–9 billion annualized run rate while raising capex guidance to about $20–$25 billion and a designated power target above 4 gigawatts.
  • The stock has surged strongly year to date with analysts raising price targets, but insiders sold roughly $123.5 million of shares recently and short interest sits near 21% of the float, a mix that raises the chance of sharp price swings.
  • The company’s rapid buildout could deliver large, recurring revenue if execution succeeds but creates clear near‑term risks from heavy spending needs, permitting and construction hurdles, power sourcing challenges, and the need for continued contract wins from big AI customers.