Nebius Gains Over 10% in Pre-Market Trading After Stake Revelation

US Stock Market Update
2026.05.28 11:20

Nebius (NBIS.US) surged 10.19% in pre-market trading to $229.60. The notable price action follows the disclosure of a significant stake acquisition by the AI-focused hedge fund Situational Awareness, led by Leopold Aschenbrenner, formerly of OpenAI. The fund reported owning 12.4 million Class A shares, equating to 5.6% of Nebius, worth approximately $2.6 billion at the previous closing price. The strategic stake underlines confidence in Nebius's capabilities as a key player in AI cloud services.