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NBIS

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.

New
Increased
Maintained
Reduced
Closed

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

Holders
406
Holders Change
+73
Holders Change %
+21.92%
% of All Funds
5.35%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.3%
New
157
Increased
83
Reduced
94
Closed
83
Calls
$1.04B
Puts
$659M
Net Calls
+$378M
Net Calls Change
+$281M

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
Bermuda
+$67.1M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$66.9M
5
RIM
Rovida Investment Management
Cayman Islands
+$59.9M

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$120M
2
SPC
Slate Path Capital
New York
-$67.7M
3
Marshall Wace
Marshall Wace
United Kingdom
-$60M
4
GAMH
Greenwoods Asset Management (HK)
Hong Kong
-$32.4M
5
DCP
Diameter Capital Partners
New York
-$25.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
MIM
101
Monashee Investment Management
Massachusetts
$3.32M +$2.07M +60,000 New
SSA
102
Schonfeld Strategic Advisors
New York
$3.29M +$692K +20,091 +51%
First Trust Advisors
103
First Trust Advisors
Illinois
$3.26M -$184K -5,332 -8%
ASN
104
Advisory Services Network
Georgia
$3.24M -$274K -7,965 -12%
SRL
105
Scientech Research LLC
New Jersey
$3.15M +$542K +15,729 +38%
Mirae Asset Global Investments
106
Mirae Asset Global Investments
South Korea
$3.14M -$77.5K -2,250 -4%
Two Sigma Advisers
107
Two Sigma Advisers
New York
$3.13M +$1.95M +56,600 New
Simplex Trading
108
Simplex Trading
Illinois
$3.04M +$1.89M +54,883 New
SS
109
SBI Securities
Japan
$2.98M -$193K -5,618 -9%
SL
110
Siren LLC
Connecticut
$2.82M -$3.06M -89,000 -64%
Marshall Wace
111
Marshall Wace
United Kingdom
$2.8M -$60M -1,741,850 -97%
Verition Fund Management
112
Verition Fund Management
Connecticut
$2.79M -$9.86M -286,460 -85%
AS
113
Altshuler Shaham
Israel
$2.78M – – –
OGC
114
Oak Grove Capital
New Hampshire
$2.73M +$1.7M +49,300 New
Balyasny Asset Management
115
Balyasny Asset Management
Illinois
$2.61M -$3.46M -100,444 -68%
PCM
116
Prelude Capital Management
New York
$2.5M +$756K +21,952 +95%
Handelsbanken Fonder
117
Handelsbanken Fonder
Sweden
$2.49M +$1.55M +45,000 New
CC
118
Cannell Capital
Wyoming
$2.46M +$1.53M +44,527 New
National Bank of Canada
119
National Bank of Canada
Quebec, Canada
$2.41M +$1.5M +43,500 New
IUHSA
120
Itau Unibanco Holding S.A.
Brazil
$2.32M +$1.45M +42,000 New
CCA
121
Cruiser Capital Advisors
Connecticut
$2.32M +$103K +3,000 +8%
CIC
122
Carnegie Investment Counsel
Ohio
$2.3M +$1.43M +41,554 New
URS
123
Utah Retirement Systems
Utah
$2.28M – – –
SA
124
Sanctuary Advisors
Indiana
$2.15M -$39.8K -1,156 -3%
CCM
125
Corsair Capital Management
New York
$2.13M +$172K +5,000 +15%
3 4
5
6 7

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.