NEBIUS NBIS
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$46.36M (7 inflow days, 13 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 25.5% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 23.71% to 17.52% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +3,155,953 | 4.7% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +13,032,966 | 8.3% |
| Invesco Capital Management LLC | Mutual Fund | 2026/Q3 | +5,724,064 | 2.1% |
| Bank of America Corporation | Public Company | 2026/Q3 | +4,687,048 | 2.1% |
| Situational Awareness LP | Hedge Fund | 2026/Q3 | +4,464,260 | 1.6% |
| Lone Pine Capital LLC | Hedge Fund | 2026/Q3 | +4,258,008 | 1.6% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +2,895,696 | 1.1% |
| Jennison Associates LLC | Mutual Fund | 2026/Q3 | +2,283,676 | 1.5% |
| Healthcare of Ontario Pension Plan Trust Fund | Government Pension Fund | 2026/Q3 | +1,978,639 | 0.7% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +1,625,750 | 1.0% |
| BlackRock | Mutual Fund | 2026/Q3 | +1,593,684 | 4.2% |
| Holocene Advisors, LP | Hedge Fund | 2026/Q3 | +1,203,154 | 0.4% |
| Anatole Investment Management Limited | Hedge Fund | 2026/Q3 | +1,093,920 | 0.4% |
| Voloridge Investment Management, LLC | Hedge Fund | 2026/Q3 | +1,073,592 | 0.4% |
| California Public Employees' Retirement System | Government Pension Fund | 2026/Q3 | +991,274 | 0.4% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 25 Oct 2026 | Arne Grimme | Independent Non-Executive Director | Open Market Acquisition | +770 | $161.97 | 6,046 |
| 20 Oct 2026 | Arne Grimme | Independent Non-Executive Director | Automatic Acquisition | +299 | $167.94 | 5,276 |
| 18 Oct 2026 | Arne Grimme | Independent Non-Executive Director | Automatic Acquisition | +148 | $169.99 | 4,977 |
| 15 Oct 2026 | Arne Grimme | Independent Non-Executive Director | Automatic Acquisition | +296 | $169.99 | 4,829 |
| 14 Oct 2026 | Johanna Boynton | Independent Non-Executive Chairperson | Open Market Disposition | -7,260 | $188.77 | 402,170 |
| 11 Oct 2026 | Marc Boroditsky | Chief Revenue Officer | Derivative Exercise and Sale | -7,000 | $211.23 | – |
| 4 Oct 2026 | Ophir Nave | COO & Non-Independent Executive Director | Automatic Disposition | -500,000 | $243.50 | 454,685 |
| 4 Oct 2026 | Ophir Nave | COO & Non-Independent Executive Director | Intent to Sell (Form 144) | -500,000 | $242.81 | – |
| 30 Sep 2026 | Arkady Volozh | Founder, CEO & Non-Independent Executive Director | Open Market Disposition | -37,778 | $234.16 | 785,236 |
| 30 Sep 2026 | Andrey Korolenko | Chief Product & Infrastructure Officer | Open Market Disposition | -29,090 | $234.16 | 522,248 |
| 30 Sep 2026 | Danila Shtan | Chief Technology Officer | Open Market Disposition | -14,546 | $234.16 | 260,217 |
| 28 Sep 2026 | Johanna Boynton | Independent Non-Executive Chairperson | Automatic Disposition | -50 | $235.01 | 409,430 |
| 14 Sep 2026 | Johanna Boynton | Independent Non-Executive Chairperson | Open Market Disposition | -6,364 | $216.52 | 409,480 |
| 13 Sep 2026 | Marc Boroditsky | Chief Revenue Officer | Derivative Exercise and Sale | -7,000 | $209.26 | 26,886 |
| 31 Aug 2026 | Johanna Boynton | Independent Non-Executive Chairperson | Other Acquisition | +1,352 | – | 1,352 |
| 31 Aug 2026 | Arkady Volozh | Founder, CEO & Non-Independent Executive Director | Other Acquisition | +1,352 | – | 823,014 |
| 31 Aug 2026 | Charles Emmitt Ryan | Independent Non-Executive Director | Other Acquisition | +1,352 | – | 1,352 |
| 31 Aug 2026 | Kira Radinsky | Independent Non-Executive Director | Other Acquisition | +1,352 | – | 1,352 |
| 31 Aug 2026 | Elena Bunina | Head of Science and Education & Non-Independent Non-Executive Director | Other Acquisition | +1,352 | – | 12,124 |
| 31 Aug 2026 | Matthew Weigand | Independent Non-Executive Director | Other Acquisition | +1,352 | – | 1,352 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 47,638,283 | 17.5% | 2.4 |
| 30 Sep 2026 | 44,695,449 | 16.4% | 2.7 |
| 15 Sep 2026 | 46,779,540 | 17.2% | 3.6 |
| 31 Aug 2026 | 45,272,901 | 16.7% | 2.3 |
| 14 Aug 2026 | 55,355,915 | 20.4% | 2.0 |
| 31 Jul 2026 | 60,202,888 | 23.7% | 2.4 |
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