NBIS
NEBIUS GROUP N.V.Data as of 2026 Q2 (06-30) · 13F snapshot
Summary
NEBIUS GROUP N.V. (NBIS) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$2.76B; the largest are Leopold Aschenbrenner, Stephen Mandel, Ken Griffin. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 4 new, 1 added, 1 trimmed, 1 closed. 3 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders64 also report options
Congress trades3
Price$231.88vs quarter-end-16.04%
Sectors0
This quarter's moves
Top holderLeopold AschenbrennerNew4
Added1
Trimmed / sold2
Common-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Leopold AschenbrennerNew large stake
Value $1.23B6.1% of portfolio4,464,2602026 Q2
Stephen MandelNew large stake
Value $1.18B7.2% of portfolio4,258,0082026 Q2
George SorosNew large stake
Value $85.61M1.4% of portfolio310,0002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Leopold Aschenbrenner | $1.23B | 6.1% | New large stake |
| Stephen Mandel | $1.18B | 7.2% | New large stake |
| George Soros | $85.61M | 1.4% | New large stake |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $1.55B— of portfolio5,598,0002026 Q2
Value $1.44B— of portfolio5,226,1002026 Q2
Value $658.03M— of portfolio2,382,7002026 Q2
Value $89.26M— of portfolio323,2002026 Q2
Value $66.17M— of portfolio239,6002026 Q2
Value $48.47M— of portfolio175,5002026 Q2
Value $34.30M— of portfolio124,2002026 Q2
Value $29.77M— of portfolio107,8002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $1.55B | — | — |
| Ken GriffinPUT | $1.44B | — | — |
| Izzy EnglanderPUT | $658.03M | — | — |
| Izzy EnglanderCALL | $89.26M | — | — |
| Steven CohenPUT | $66.17M | — | — |
| Paul Tudor JonesCALL | $48.47M | — | — |
| Paul Tudor JonesPUT | $34.30M | — | — |
| Steven CohenCALL | $29.77M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.