Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in NBIS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 16.2M | $1.68B | +3.4% | 6.745% | 0.19% |
| 2 | BlackRock, Inc. | 9.9M | $1.03B | +5.4% | 4.141% | 0.02% |
| 3 | FRED ALGER MANAGEMENT, LLC | 9.6M | $996.0M | +20.9% | 4.000% | 4.38% |
| 4 | Orbis Allan Gray Ltd | 8.3M | $862.7M | +149.3% | 3.465% | 3.64% |
| 5 | Value Aligned Research Advisors, LLC | 6.2M | $647.6M | +76.6% | 2.601% | 3.18% |
| 6 | CITADEL ADVISORS LLC | 6.0M | $620.9M | -30.3% | 2.493% | 0.29% |
| 7 | Accel Leaders 4 Associates L.P. | 4.6M | $475.3M | 0.0% | 1.909% | 100.00% |
| 8 | GOLDMAN SACHS GROUP INC | 4.3M | $447.7M | +28.6% | 1.798% | 0.05% |
| 9 | MORGAN STANLEY | 3.7M | $380.3M | -1.1% | 1.527% | 0.02% |
| 10 | UBS Group AG | 3.6M | $368.5M | -36.0% | 1.480% | 0.06% |
| 11 | STATE STREET CORP | 3.5M | $363.3M | +8.8% | 1.459% | 0.01% |
| 12 | Capital Research Global Investors | 3.4M | $348.4M | +21.4% | 1.400% | 0.05% |
| 13 | JANUS HENDERSON GROUP PLC | 3.2M | $334.3M | +14.9% | 1.342% | 0.17% |
| 14 | Clear Street Group Inc. | 3.1M | $317.4M | -12.9% | 1.274% | 1.29% |
| 15 | TWO SIGMA INVESTMENTS, LP | 2.8M | $291.1M | +3080.5% | 1.169% | 0.24% |
| 16 | Accel Leaders 3 Associates L.P. | 2.3M | $233.7M | 0.0% | 0.938% | 100.00% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $215.0M | +2.1% | 0.871% | 0.01% |
| 18 | Rovida Investment Management Ltd | 1.9M | $196.3M | +3.5% | 0.789% | 24.62% |
| 19 | Invesco Ltd. | 1.8M | $183.1M | -35.4% | 0.735% | 0.03% |
| 20 | JENNISON ASSOCIATES LLC | 1.7M | $176.4M | β | 0.708% | 0.12% |
| 21 | UBS ASSET MANAGEMENT AMERICAS INC | 1.6M | $161.0M | +6.2% | 0.647% | 0.03% |
| 22 | BANK OF AMERICA CORP /DE/ | 1.5M | $155.5M | +49.6% | 0.624% | 0.01% |
| 23 | Amundi | 1.3M | $139.4M | +10.6% | 0.560% | 0.04% |
| 24 | NVIDIA CORP | 1.2M | $123.5M | 0.0% | 0.496% | 0.67% |
| 25 | Legal & General Group Plc | 1.2M | $123.2M | +8.7% | 0.495% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in NBIS β a direct measure of their conviction.
Filings activity in NBIS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new NBIS position in Q1 2026
Institutions that fully closed their NBIS position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 700 | +17% | 25.51% | +6.32 pp | $14.23B | +33% |
| Q4 2025 | 598 | +8.5% | 19.19% | 6.81 pp | $10.70B | 26% |
| Q3 2025 | 551 | +39% | 26.00% | +9.47 pp | $14.50B | +57% |
| Q2 2025 | 395 | +25% | 16.53% | +13.39 pp | $9.22B | +427% |
| Q1 2025 | 317 | +10% | 3.14% | 1.71 pp | $1.75B | 35% |
| Q4 2024 | 288 | +50% | 4.85% | 18.95 pp | $2.71B | 80% |
| Q3 2024 | 192 | 0.5% | 23.80% | +23.20 pp | $13.27B | +3869% |
| Q2 2024 | 193 | β | 0.60% | β | $334M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NBIS stock.
Based on Q1 2026 13F filings, institutional ownership of Nebius Group N.V. stands at 25.5%, held across 700 reporting institutions.
SUSQUEHANNA INTERNATIONAL GROUP, LLP is the largest reported institutional holder of NBIS, with approximately 16,187,789 shares worth $1.68B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of NBIS, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for NBIS is 84 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
192 institutions opened new positions in NBIS during Q1 2026, while 90 fully exited. 417 added to existing positions and 84 trimmed.
NBIS institutional ownership rose by 6.32 percentage points quarter-over-quarter, with a net change of +102 holders.
The top 10 institutions account for 52.8% of all reported 13F value in NBIS, and the top 25 account for 76.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Nebius Group N.V. (NBIS) Institutional Ownership