NEBIUS GROUP N.V. (NBIS) Top Institutional Shareholders
NEBIUS GROUP N.V. (NBIS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $11.79B in NBIS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NBIS tracked by InsiderSet, reporting ownership valued at approximately $1.03B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $2.79B, representing an estimated gain of +170.73% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed NBIS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fred Alger Management, Llc, Orbis Allan Gray Ltd, and several other long-term asset managers with concentrated positions in NEBIUS GROUP N.V. (NBIS).
This page ranks the largest institutional NBIS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
707
Total Reported Value
$11.79B
Largest Holder
Blackrock, Inc.
Largest Position
$1.03B
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
114
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 9,937,586 | $1,031,123,962 | $2,791,567,283 | +$1,760,443,321 | +170.73% | |
| Fred Alger Management, Llc | 4.38% | 9,599,306 | $996,023,990 | $2,696,541,048 | +$1,700,517,058 | +170.73% | |
| Orbis Allan Gray Ltd | 3.64% | 8,314,766 | $862,740,120 | $2,335,700,917 | +$1,472,960,797 | +170.73% | |
| Value Aligned Research Advisors, Llc | 7.14% | 5,813,450 | $603,203,572 | $1,633,056,240 | +$1,029,852,668 | +170.73% | |
| Accel Leaders 4 Associates L.P. | 100.00% | 4,580,952 | $475,319,580 | $1,286,835,226 | +$811,515,646 | +170.73% | |
| Morgan Stanley | 0.02% | 3,665,034 | $380,284,083 | $1,029,544,701 | +$649,260,618 | +170.73% | |
| State Street Corp | 0.01% | 3,501,460 | $363,311,490 | $983,595,129 | +$620,283,639 | +170.73% | |
| Capital Research Global Investors | 0.05% | 3,359,169 | $348,417,935 | $943,624,164 | +$595,206,229 | +170.83% | |
| Janus Henderson Group Plc | 0.17% | 3,221,553 | $334,263,381 | $904,966,453 | +$570,703,072 | +170.73% | |
| Ubs Group Ag | 0.06% | 3,119,738 | $323,704,015 | $876,365,602 | +$552,661,587 | +170.73% | |
| Goldman Sachs Group Inc | 0.04% | 3,084,095 | $320,005,697 | $866,353,126 | +$546,347,429 | +170.73% | |
| Clear Street Group Inc. | 1.78% | 3,058,590 | $317,359,298 | $859,188,517 | +$541,829,219 | +170.73% | |
| Two Sigma Investments, Lp | 0.24% | 2,795,083 | $290,017,812 | $785,166,766 | +$495,148,954 | +170.73% | |
| Accel Leaders 3 Associates L.P. | 100.00% | 2,251,905 | $233,657,663 | $632,582,634 | +$398,924,971 | +170.73% | |
| Geode Capital Management, Llc | 0.01% | 2,090,589 | $215,034,064 | $587,267,356 | +$372,233,292 | +173.10% | |
| Rovida Investment Management Ltd | 24.62% | 1,893,647 | $196,333,321 | $531,944,379 | +$335,611,058 | +170.94% | |
| Invesco Ltd. | 0.03% | 1,764,360 | $183,069,993 | $495,626,368 | +$312,556,375 | +170.73% | |
| Jennison Associates Llc | 0.12% | 1,700,223 | $176,415,171 | $477,609,643 | +$301,194,472 | +170.73% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 1,551,669 | $161,001,176 | $435,879,339 | +$274,878,163 | +170.73% | |
| Bank Of America Corp | 0.01% | 1,498,631 | $155,497,954 | $420,980,434 | +$265,482,480 | +170.73% | |
| Jane Street Group, Llc | 0.16% | 1,451,981 | $150,657,549 | $407,875,983 | +$257,218,434 | +170.73% | |
| Amundi | 0.04% | 1,343,954 | $139,448,666 | $377,530,118 | +$238,081,452 | +170.73% | |
| Nvidia Corp | 0.67% | 1,190,476 | $123,523,790 | $334,416,613 | +$210,892,823 | +170.73% | |
| Legal & General Group Plc | 0.03% | 1,187,682 | $123,233,883 | $333,631,751 | +$210,397,868 | +170.73% | |
| Kora Management Lp | 15.62% | 1,055,816 | $109,551,468 | $296,589,273 | +$187,037,805 | +170.73% | |
| Northern Trust Corp | 0.01% | 1,023,147 | $106,161,732 | $287,412,224 | +$181,250,492 | +170.73% | |
| Tree Line Advisors (Hong Kong) Ltd. | 42.44% | 1,070,000 | $98,718,200 | $300,573,700 | +$201,855,500 | +204.48% | |
| Gilder Gagnon Howe & Co Llc | 1.18% | 951,093 | $98,685,410 | $267,171,535 | +$168,486,125 | +170.73% | |
| Susquehanna International Group, Llp | 0.10% | 764,289 | $79,302,626 | $214,696,423 | +$135,393,797 | +170.73% | |
| Swiss National Bank | 0.04% | 739,190 | $76,698,354 | $207,645,863 | +$130,947,509 | +170.73% | |
| Marex Group Plc | 0.85% | 713,063 | $73,987,417 | $200,306,527 | +$126,319,110 | +170.73% | |
| Sei Investments Co | 0.06% | 655,488 | $68,013,916 | $184,133,134 | +$116,119,218 | +170.73% | |
| Deutsche Bank Ag\ | 0.02% | 614,799 | $63,791,544 | $172,703,187 | +$108,911,643 | +170.73% | |
| Lpl Financial Llc | 0.02% | 601,274 | $62,388,232 | $168,903,879 | +$106,515,647 | +170.73% | |
| Ghisallo Capital Management Llc | 1.64% | 575,000 | $59,662,000 | $161,523,250 | +$101,861,250 | +170.73% | |
| Anther Capital Ltd | 1.49% | 548,192 | $56,880,402 | $153,992,615 | +$97,112,213 | +170.73% | |
| Wcm Investment Management, Llc | 0.13% | 595,840 | $54,972,199 | $167,377,414 | +$112,405,215 | +204.48% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | 517,317 | $53,676,812 | $145,319,518 | +$91,642,706 | +170.73% | |
| Nuveen, Llc | 0.01% | 502,668 | $52,156,832 | $141,204,468 | +$89,047,636 | +170.73% | |
| Raymond James Financial Inc | 0.01% | 457,222 | $47,441,350 | $128,438,232 | +$80,996,882 | +170.73% | |
| Citadel Advisors Llc | 0.03% | 456,668 | $47,383,872 | $128,282,608 | +$80,898,736 | +170.73% | |
| Liontrust Investment Partners Llp | 0.58% | 468,424 | $39,209,431 | $131,584,986 | +$92,375,555 | +235.60% | |
| Point72 Asset Management, L.P. | 0.07% | 373,881 | $38,793,893 | $105,026,912 | +$66,233,019 | +170.73% | |
| M37 Management Lp | 14.47% | 350,000 | $36,316,000 | $98,318,500 | +$62,002,500 | +170.73% | |
| Tidal Investments Llc | 0.11% | 347,754 | $36,082,955 | $97,687,576 | +$61,604,621 | +170.73% | |
| Bank Of New York Mellon Corp | 0.01% | 339,462 | $35,222,530 | $95,358,270 | +$60,135,740 | +170.73% | |
| Envestnet Asset Management Inc | 0.01% | 332,168 | $34,465,752 | $93,309,313 | +$58,843,561 | +170.73% | |
| Royal Bank Of Canada | 0.01% | 304,336 | $31,578,000 | $85,491,026 | +$53,913,026 | +170.73% | |
| Himension Capital (Singapore) Pte. Ltd. | 2.34% | 293,019 | $30,403,651 | $82,311,967 | +$51,908,316 | +170.73% | |
| Cetera Investment Advisers | 0.03% | 292,669 | $30,367,335 | $82,213,649 | +$51,846,314 | +170.73% |
Frequently asked questions about NBIS
Who owns the most NBIS stock?
The largest holders of NBIS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NEBIUS GROUP N.V. (NBIS).
Is NBIS widely held by superinvestors?
Many widely followed stocks like NBIS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NBIS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.