Nebius Group N.V.
NBIS
621 hedge funds and large institutions have $8.67B invested in Nebius Group N.V. in 2025 Q4 according to their latest regulatory filings, with 190 funds opening new positions, 219 increasing their positions, 148 reducing their positions, and 136 closing their positions.
48% more repeat investments, than reductions
Existing positions increased: 219 | Existing positions reduced: 148
40% more first-time investments, than exits
New positions opened: 190 | Existing positions closed: 136
9% more funds holding
Funds holding: 572 → 621 (+49)
1% more call options, than puts
Call options by funds: $2.43B | Put options by funds: $2.4B
0.2% less ownership
Funds ownership: 48.38% → 48.18% (-0.2%)
12% less funds holding in top 10
Funds holding in top 10: 26 → 23 (-3)
21% less capital invested
Capital invested by funds: $10.9B → $8.67B (-$2.25B)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$975M |
| 2 |
State Street
Boston,
Massachusetts
|
+$320M |
| 3 |
Capital Research Global Investors
Los Angeles,
California
|
+$287M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$194M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$194M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
-$981M |
| 2 |
JCAM
Jericho Capital Asset Management
New York
|
-$517M |
| 3 |
Two Sigma Advisers
New York
|
-$257M |
| 4 |
Wells Fargo
San Francisco,
California
|
-$247M |
| 5 |
Two Sigma Investments
New York
|
-$241M |
NBIS Hedge Fund Activity: Q4 2025 in Review
621 institutional investors reported a position in Nebius Group N.V. (NBIS) for Q4 2025, worth a combined $8.67B — down 21% from $10.9B a quarter earlier.
Buyers outnumbered sellers: 190 funds opened new NBIS positions and 136 closed out — a net gain of 54 holders — while 219 added to existing stakes and 148 trimmed.
The largest buyer was BlackRock, adding an estimated $975M. The largest seller was Orbis Allan Gray, cutting an estimated $981M.
- 621 institutional investors held Nebius Group N.V. (NBIS) as of Q4 2025, up from 572 in Q3 2025.
- Funds reported $8.67B of Nebius Group N.V. stock for Q4 2025, down 21% quarter-over-quarter.
- 190 funds opened new Nebius Group N.V. positions in Q4 2025 and 136 closed out, a net change of +54 holders.
- The largest Nebius Group N.V. buyer in Q4 2025 was BlackRock, an estimated $975M added.
- The largest Nebius Group N.V. seller in Q4 2025 was Orbis Allan Gray, an estimated $981M sold.
Based on aggregated 13F filings for Q4 2025.