Nebius Group N.V.
NBIS
406 hedge funds and large institutions have $4.57B invested in Nebius Group N.V. in 2025 Q2 according to their latest regulatory filings, with 157 funds opening new positions, 83 increasing their positions, 94 reducing their positions, and 83 closing their positions.
165% more capital invested
Capital invested by funds: $1.73B → $4.57B (+$2.85B)
89% more first-time investments, than exits
New positions opened: 157 | Existing positions closed: 83
57% more call options, than puts
Call options by funds: $1.04B | Put options by funds: $659M
44% more funds holding in top 10
Funds holding in top 10: 16 → 23 (+7)
22% more funds holding
Funds holding: 333 → 406 (+73)
0.44% more ownership
Funds ownership: 40.99% → 41.43% (+0.44%)
12% less repeat investments, than reductions
Existing positions increased: 83 | Existing positions reduced: 94
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FAM
Fred Alger Management
New York
|
+$152M |
| 2 |
JCAM
Jericho Capital Asset Management
New York
|
+$102M |
| 3 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
+$67.1M |
| 4 |
D.E. Shaw & Co
New York
|
+$66.9M |
| 5 |
RIM
Rovida Investment Management
Grand Cayman,
Cayman Islands
|
+$59.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$120M |
| 2 |
SPC
Slate Path Capital
New York
|
-$67.7M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$60M |
| 4 |
GAMH
Greenwoods Asset Management (HK)
Hong Kong
|
-$32.4M |
| 5 |
DCP
Diameter Capital Partners
New York
|
-$25.1M |
NBIS Hedge Fund Activity: Q2 2025 in Review
406 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Nebius Group N.V. (NBIS) for Q2 2025, worth a combined $4.57B — up 165% from $1.73B a quarter earlier.
Buyers outnumbered sellers: 157 funds opened new NBIS positions and 83 closed out — a net gain of 74 holders — while 83 added to existing stakes and 94 trimmed.
The largest buyer was Fred Alger Management, adding an estimated $152M. The largest seller was Citadel Advisors, cutting an estimated $120M.
- 406 institutional investors held Nebius Group N.V. (NBIS) as of Q2 2025, up from 333 in Q1 2025.
- Funds reported $4.57B of Nebius Group N.V. stock for Q2 2025, up 165% quarter-over-quarter.
- 157 funds opened new Nebius Group N.V. positions in Q2 2025 and 83 closed out, a net change of +74 holders.
- The largest Nebius Group N.V. buyer in Q2 2025 was Fred Alger Management, an estimated $152M added.
- The largest Nebius Group N.V. seller in Q2 2025 was Citadel Advisors, an estimated $120M sold.
Based on aggregated 13F filings for Q2 2025.