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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
LIM
126
Leavell Investment Management
Alabama
$2.09M +$618K +17,950 +91%
JRP
127
Jasper Ridge Partners
California
$2M – – –
Vontobel Holding
128
Vontobel Holding
Switzerland
$1.97M -$300K -8,704 -20%
MYIA
129
Mount Yale Investment Advisors
Colorado
$1.97M +$697K +20,253 +132%
SWM
130
SeaCrest Wealth Management
New York
$1.88M +$428K +12,443 +58%
Commonwealth Equity Services
131
Commonwealth Equity Services
Massachusetts
$1.87M +$5.23K +152 +0.5%
HCM
132
Hodges Capital Management
Texas
$1.82M -$2.79M -81,105 -71%
BFM
133
Boothbay Fund Management
New York
$1.78M +$408K +11,849 +58%
WI
134
Westbourne Investments
Virginia
$1.72M +$1.07M +31,073 New
Truist Financial
135
Truist Financial
North Carolina
$1.66M +$393K +11,417 +61%
Cambridge Investment Research Advisors
136
Cambridge Investment Research Advisors
Iowa
$1.66M +$694K +20,162 +204%
OAM
137
Oppenheimer Asset Management
New York
$1.65M +$669K +19,424 +186%
Stifel Financial
138
Stifel Financial
Missouri
$1.6M -$2.44M -70,745 -71%
CBUSF
139
Construction & Building Unions Superannuation Fund
Australia
$1.58M -$1.04M -30,255 -52%
HA
140
Harbor Advisors
Florida
$1.52M – – –
CM
141
Caption Management
Oklahoma
$1.43M +$888K +25,800 New
PHS
142
Pekin Hardy Strauss
Illinois
$1.42M -$488K -14,185 -36%
EL
143
Essex LLC
Illinois
$1.41M +$879K +25,530 New
SCA
144
Sassicaia Capital Advisers
New York
$1.41M +$874K +25,400 New
MAMNY
145
Marathon Asset Management (New York)
New York
$1.38M -$861K -25,000 -50%
ACMH
146
Andar Capital Management (HK)
Hong Kong
$1.33M +$826K +24,000 New
HI
147
Harbour Investments
Wisconsin
$1.31M +$14.5K +421 +2%
Barclays
148
Barclays
United Kingdom
$1.26M -$14.3M -416,079 -95%
CM
149
CastleKnight Management
New York
$1.26M -$1.8M -52,300 -70%
Bank of New York Mellon
150
Bank of New York Mellon
New York
$1.21M -$3.2K -93 -0.4%
4 5
6
7 8

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.