SCHEDULE: Situational Awareness Discloses 5.6% Stake in Nebius Group

Situational Awareness LP and associated entities have reported a 5.6% beneficial ownership stake in Nebius Group N.V. Class A Ordinary Shares.

Summary

• Situational Awareness LP, along with its affiliates and principals Leopold Aschenbrenner and Carl Shulman, filed a Schedule 13G reporting beneficial ownership of 12,410,060 Class A Ordinary Shares of Nebius Group N.V.
• The reported stake represents 5.6% of the total outstanding Class A Ordinary Shares, based on 220,406,311 shares outstanding as of March 31, 2026.
• The reporting persons share voting and dispositive power over the entire 12,410,060 share position.
• The filing confirms the acquisition was made in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral, routine regulatory disclosure of an existing investment position that does not signal a change in corporate strategy or management.

Positives

• The investment indicates institutional confidence in Nebius Group's long-term prospects.
• The reporting entities have explicitly stated the investment is passive, reducing concerns regarding immediate hostile takeover or activist intervention.

Negatives

• The disclosure of a significant 5.6% position can sometimes lead to increased share price volatility as market participants react to the concentration of ownership.

Risks

• Market risk associated with the volatility of Nebius Group's share price.
• Regulatory and compliance risks inherent in maintaining and reporting significant equity positions under SEC rules.

Future Outlook

The reporting persons have certified that the securities were acquired in the ordinary course of business and are not held for the purpose of changing or influencing the control of the issuer.

Management Comments

• The reporting persons certify that the information set forth in the statement is true, complete, and correct.

Industry Context

StockSavvy.ai notes that the entry of specialized investment vehicles like Situational Awareness into the Nebius Group cap table reflects growing institutional interest in the company's specific market niche, consistent with broader trends of capital allocation toward AI-adjacent infrastructure providers.

Comparison to Industry Standards

• The filing follows standard SEC disclosure requirements for institutional investors crossing the 5% ownership threshold.
• The use of a joint filing agreement is a standard practice for affiliated investment funds to streamline regulatory compliance.

Stakeholder Impact

• Shareholders may view the entry of a 5.6% holder as a validation of the company's current direction.
• The market may experience short-term price adjustments based on the disclosure of this significant block of shares.

Next Steps

• The reporting persons will continue to monitor their investment in Nebius Group.
• Future filings (Forms 4 or 5) may be required if there are further changes in the beneficial ownership of the reporting persons.

Key Dates

Keywords

Nebius Group, Schedule 13G, Institutional Ownership, Situational Awareness LP, Leopold Aschenbrenner, Equity Disclosure