Situational Awareness LP Reports New 5.6% Stake in Nebius Group N.V. (NBIS)

On May 27, 2026, Situational Awareness LP and its affiliates filed a Schedule 13G reporting a new 5.6% ownership stake in Nebius Group N.V. (NBIS). The reporting group, which includes Situational Awareness LP (Adviser), SAF AI GP LP (General Partner), Situational Awareness LLC, Situational Awareness Partners LP (Fund), Leopold Aschenbrenner, and Carl Shulman, reported aggregate beneficial ownership of 12,410,060 Class A Ordinary Shares. The event triggering this filing occurred on May 19, 2026. Leopold Aschenbrenner serves as the managing partner and control person for the entities, while Carl Shulman is the co-portfolio manager of the Fund. The filings indicate that the shares were acquired in the ordinary course of business and not for the purpose of influencing or changing control of the issuer. All reporting persons share voting and dispositive power over the reported shares. The ownership percentage is based on 220,406,311 Class A Ordinary Shares outstanding as of March 31, 2026.