Form
SCHEDULE 13G
Passive or exempt beneficial ownership filing.
Situational Awareness LP - 19 May 2026 SCHEDULE 13G Report for Nebius Group N.V. Class A Ordinary Shares (NBIS)
- Filing manager
- Situational Awareness LP
- Reporting owner
- Situational Awareness LP
- Beneficially owned shares
- 12,410,060 shares
- Large-stake signal
-
Ownership
5.6%Beneficial ownership of this reported class.
Shares
12,410,060 sharesShares beneficially owned as disclosed.
Event date
19 May 2026Date tied to the ownership event or amendment.
Accepted by SEC
27 May 2026EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 5.6%
- Symbol
- NBIS
- Shares outstanding
- 221,608,214 shares
- SEC form
- SCHEDULE 13G
- Accepted by SEC
- 27 May 2026, 17:01:40 UTC
- Event date
- 19 May 2026
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Situational Awareness LP disclosed 5.6% ownership in Nebius Group N.V. Class A Ordinary Shares (NBIS) on 19 May 2026.
Key facts
- Situational Awareness LP filed SCHEDULE 13G for Nebius Group N.V. Class A Ordinary Shares (NBIS).
- Disclosed ownership: 5.6%.
- Date of event: 19 May 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 27 May 2026, 17:01.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (6)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Situational Awareness LP | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Leopold Aschenbrenner | Leopold Aschenbrenner, Managing Partner | |
| SAF AI GP LP | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Leopold Aschenbrenner | Leopold Aschenbrenner, Managing Partner | |
| Situational Awareness LLC | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Leopold Aschenbrenner | Leopold Aschenbrenner, Manager | |
| Situational Awareness Partners LP | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Leopold Aschenbrenner | Managing Partner of SAF AI GP LP, general partner of Situational Awareness Partners LP | |
| Leopold Aschenbrenner | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Leopold Aschenbrenner | Reporting person | |
| Carl Shulman | 5.6% | 12,410,060 | 0 | 12,410,060 | /s/ Carl Shulman | Reporting person |
CIK / CUSIP context first