Nebius Group N.V.
NBIS
572 hedge funds and large institutions have $10.9B invested in Nebius Group N.V. in 2025 Q3 according to their latest regulatory filings, with 228 funds opening new positions, 151 increasing their positions, 129 reducing their positions, and 57 closing their positions.
300% more first-time investments, than exits
New positions opened: 228 | Existing positions closed: 57
139% more capital invested
Capital invested by funds: $4.57B → $10.9B (+$6.35B)
41% more funds holding
Funds holding: 406 → 572 (+166)
17% more repeat investments, than reductions
Existing positions increased: 151 | Existing positions reduced: 129
13% more funds holding in top 10
Funds holding in top 10: 23 → 26 (+3)
12% more call options, than puts
Call options by funds: $2.85B | Put options by funds: $2.54B
6.95% more ownership
Funds ownership: 41.43% → 48.38% (+6.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FAM
Fred Alger Management
New York
|
+$176M |
| 2 |
Wells Fargo
San Francisco,
California
|
+$169M |
| 3 |
Two Sigma Investments
New York
|
+$162M |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$161M |
| 5 |
Two Sigma Advisers
New York
|
+$155M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
-$337M |
| 2 |
SPC
Slate Path Capital
New York
|
-$218M |
| 3 |
DCM
Discovery Capital Management
South Norwalk,
Connecticut
|
-$100M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$80.6M |
| 5 |
D.E. Shaw & Co
New York
|
-$55.8M |
NBIS Hedge Fund Activity: Q3 2025 in Review
572 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Nebius Group N.V. (NBIS) for Q3 2025, worth a combined $10.9B — up 139% from $4.57B a quarter earlier.
Buyers outnumbered sellers: 228 funds opened new NBIS positions and 57 closed out — a net gain of 171 holders — while 151 added to existing stakes and 129 trimmed.
The largest buyer was Fred Alger Management, adding an estimated $176M. The largest seller was Orbis Allan Gray, cutting an estimated $337M.
- 572 institutional investors held Nebius Group N.V. (NBIS) as of Q3 2025, up from 406 in Q2 2025.
- Funds reported $10.9B of Nebius Group N.V. stock for Q3 2025, up 139% quarter-over-quarter.
- 228 funds opened new Nebius Group N.V. positions in Q3 2025 and 57 closed out, a net change of +171 holders.
- The largest Nebius Group N.V. buyer in Q3 2025 was Fred Alger Management, an estimated $176M added.
- The largest Nebius Group N.V. seller in Q3 2025 was Orbis Allan Gray, an estimated $337M sold.
Based on aggregated 13F filings for Q3 2025.