NASDAQ · Holders
Nebius Group N.V. (NBIS) Institutional Ownership & Insider Trading History
Top NBIS institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $186.01-10.08%
- Oct 14, 2026, 4:00 PM EDT · Prices may be delayed
Data dates
Prices as of Oct 14, 4:00 PM EDT · Fundamentals checked Oct 14, 3:51 PM EDT · Statement period ended Dec 31, 2025
Ownership read
NBIS insider transaction activity: Net selling.
Blackrock Inc. is the largest institutional holder. 32 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
NBIS
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
11.53M
Blackrock Inc.
Insider transaction activity
Net selling
$318.21M sold / $0.0000 bought
Observations shown
53
10 holder / 43 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 8
- 2 decreased · provider-reported changes
- Insider rows
- 43
- Yahoo Finance · Filing dates shown per row
Percent outstanding uses the quote share count, market cap divided by the share price (238.40M shares). The holder feed's percentages used a different share count, so they are not the figures on this page.
Ownership concentration and transaction activity
- Top 10 reported holders
- 27.98% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- 0 / 0 explicitly reported
- Largest increase with share-count history
- Prior share counts unavailable
These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.
Net shares sold: 1,491,381
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Purchase / sale; plan unknown: 32
- Other / unclassified: 2
- Grant: 9
Top 10 institutional holders
Nebius Group N.V. (NBIS) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Change % | Position / filing date |
|---|---|---|---|---|---|
| 1 | 4.84% | 11.53M | +16.04% | Position as of Jun 30, 2026Filing date unknown | |
| 2 | 4.11% | 9.80M | +217.75% | Position as of Jun 30, 2026Filing date unknown | |
| 3 | 2.91% | 6.94M | +293.53% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | Orbis Allan Gray Ltd | 2.72% | 6.49M | -21.89% | Position as of Jun 30, 2026Filing date unknown |
| 5 | 2.57% | 6.14M | +309.61% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | Value Aligned Research Advisors, LLC | 2.56% | 6.10M | +5.00% | Position as of Jun 30, 2026Filing date unknown |
| 7 | Fred Alger Management, LLC | 2.40% | 5.73M | -40.34% | Position as of Jun 30, 2026Filing date unknown |
| 8 | 2.20% | 5.24M | +68.12% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | Situational Awareness LP | 1.87% | 4.46M | +100.00% | Position as of Jun 30, 2026Filing date unknown |
| 10 | Lone Pine Capital Llc | 1.79% | 4.26M | +100.00% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Nebius Group N.V. (NBIS) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
| # | Insider | % company | Action | Shares | Transaction date |
|---|---|---|---|---|---|
| 1 | NAVE OPHIR Chief Operating Officer | 0.21% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 500.00K | Oct 5, 2026 |
| 2 | VOLOZH ARKADY Chief Executive Officer | 0.02% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 37.78K | Oct 1, 2026 |
| 3 | SHTAN DANILA Chief Technology Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 14.55K | Oct 1, 2026 |
| 4 | KOROLENKO ANDREY Officer | 0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 29.09K | Oct 1, 2026 |
| 5 | BOYNTON JOHN Director | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 6.36K | Sep 15, 2026 |
| 6 | BORODITSKY MARC Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.00K | Sep 14, 2026 |
| 7 | BORODITSKY MARC Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.00K | Sep 14, 2026 |
| 8 | ALONSO SANCHEZ MARIA DEL DADO Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 470 | Sep 1, 2026 |
| 9 | VOLOZH ARKADY Chief Executive Officer | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.35K | Sep 1, 2026 |
| 10 | BOYNTON JOHN Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.35K | Sep 1, 2026 |
| 11 | NAVE OPHIR Chief Operating Officer | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.35K | Sep 1, 2026 |
| 12 | RYAN CHARLES E Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.35K | Sep 1, 2026 |
Frequently asked
Questions about this quote
Who are the largest NBIS shareholders?
Blackrock Inc. is the largest reported institutional holder of NBIS, with 11.53 million shares, or about 4.84% of shares outstanding.
What does the institutional filing activity show for NBIS?
Nebius Group N.V. has 10 institutional rows on file: 8 increased or initiated positions and 2 reduced them.
What insider transactions are available for NBIS?
TECHi shows 43 dated NBIS insider transactions through Oct 5, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are NBIS insiders buying or selling?
The displayed NBIS activity reads Net selling: 32 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported NBIS insider?
KOROLENKO ANDREY has the largest absolute share movement in the displayed NBIS filing rows, totaling 1.12 million shares. The action labels provide the transaction context.
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
What this page answers
Check who owns the float and whether insiders are active.
Explore Institutional concentration, insider transaction pattern, and float context.
Keep in mind Filings are delayed or transactions are administrative rather than economic.
After hours
Regular hours: 9:30 AM–4:00 PM America/New_York
Next open: 2026-10-15 · 9:30 AM America/New_York
Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.
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