Nebius Stock Is Up 170% in 2026, and Leopold Aschenbrenner Just Bought a 5.6% Stake. Here’s Why
Key Points Leopold Aschenbrenner, a prominent German AI researcher and investor who previously worked at OpenAI, recently acquired a 5.6% stake in the cloud-based AI infrastructure company Nebius (NASDAQ: NBIS) through his Situational Awareness fund. That purchase might seem surprising, since Nebius’ stock has already …