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Nebius Group N.V. (NBIS) Institutional Ownership & Insider Trading History
Top NBIS institutional positions and insider transactions, with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $115.88-9.92%
- Nov 13, 2026, 4:00 PM EST · Prices may be delayed
Data dates
Prices as of Nov 13, 4:00 PM EST · Fundamentals checked Nov 15, 4:32 AM EST · Statement period ended Dec 31, 2025
Ownership read
NBIS insider transaction activity: Mixed, sale-heavy.
Blackrock Inc. is the largest institutional holder. 35 classified sales and 4 classified purchases appear in the recent insider records. 3 transactions lack a reliable action code. 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
Mixed, sale-heavy
$321.03M sold / $255.05K bought · 3 unclassified
Observations shown
61
10 holder / 51 insider
- Increased / initiated
- Unavailable
- Prior positions were not supplied
- Insider rows
- 51
- Transaction dates shown per row
Percent outstanding uses the quote share count, market cap divided by the share price (259.60M 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
- Position dates differ
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- Prior-position data unavailable
- 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: 1,504,404
Classified sale shares minus classified purchase 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: 39
- Other / unclassified: 3
- Grant: 9
Top 10 institutional holders
Nebius Group N.V. (NBIS) institutional ownership
Ranked by reported share count. Position dates and filing dates are separate when the provider supplies both.
Source: Yahoo Finance. A position date is not a filing date. View current provider table. To check a manager's 13F, search its name in SEC EDGAR; a search result is not a verified match to a row here.
| # | Institution | % held | Shares | Position date |
|---|---|---|---|---|
| 1 | 4.44% | 11.53M | Position as of Jun 30, 2026 | |
| 2 | 3.77% | 9.80M | Position as of Jun 30, 2026 | |
| 3 | 2.94% | 7.63M | Position as of Sep 30, 2026 | |
| 4 | Orbis Allan Gray Ltd | 2.50% | 6.49M | Position as of Jun 30, 2026 |
| 5 | 2.36% | 6.14M | Position as of Jun 30, 2026 | |
| 6 | Value Aligned Research Advisors, LLC | 2.35% | 6.10M | Position as of Jun 30, 2026 |
| 7 | Fred Alger Management, LLC | 2.21% | 5.73M | Position as of Jun 30, 2026 |
| 8 | 1.95% | 5.06M | Position as of Sep 30, 2026 | |
| 9 | Situational Awareness LP | 1.72% | 4.46M | Position as of Jun 30, 2026 |
| 10 | 1.70% | 4.41M | Position as of Sep 30, 2026 |
Recent insider transactions
Nebius Group N.V. (NBIS) insider transactions
Provider action descriptions keep buys and sales separate from awards, gifts, conversions, and tax withholding. Transaction window: Mar 31, 2026–Oct 29, 2026 · 51 records.
Source: Yahoo Finance. Transaction dates are not filing dates; original filing links appear only when the provider identifies a specific filing. View current provider table. Browse issuer SEC ownership filings; this lookup is not a match to each row.
| # | Insider | % company | Action | Shares | Price | Value | Transaction date |
|---|---|---|---|---|---|---|---|
| 1 | BOYNTON JOHN Director | <0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 333 | $173.07 | $57,632 | Oct 29, 2026 |
| 2 | GRIMME ARNE Director | <0.01% | PurchaseProvider-reported open-market or direct purchase.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 353 | $163.57 | $57,740 | Oct 28, 2026 |
| 3 | GRIMME ARNE Director | <0.01% | PurchaseProvider-reported open-market or direct purchase.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 770 | $159.01 | $122,438 | Oct 26, 2026 |
| 4 | GRIMME ARNE Director | <0.01% | PurchaseProvider-reported open-market or direct purchase.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 299 | $166.26 | $49,713 | Oct 21, 2026 |
| 5 | GRIMME ARNE Director | <0.01% | PurchaseProvider-reported open-market or direct purchase.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 148 | $169.99 | $25,159 | Oct 19, 2026 |
| 6 | BOYNTON JOHN Director | <0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.26K | $177.63 | $1,289,586 | Oct 15, 2026 |
| 7 | BORODITSKY MARC Officer | <0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.00K | $211.23 | $1,478,610 | Oct 12, 2026 |
| 8 | BORODITSKY MARC Officer | <0.01% | UnclassifiedThe available record does not identify a purchase, sale, or other action. Do not infer a trade direction.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.00K | Not reported | Not reported | Oct 12, 2026 |
| 9 | NAVE OPHIR Chief Operating Officer | 0.19% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 500.00K | $235.53 | $117,765,468 | Oct 5, 2026 |
| 10 | SHTAN DANILA Chief Technology Officer | <0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 14.55K | $234.16 | $3,406,091 | Oct 1, 2026 |
| 11 | KOROLENKO ANDREY Officer | 0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 29.09K | $234.16 | $6,811,714 | Oct 1, 2026 |
| 12 | VOLOZH ARKADY Chief Executive Officer | 0.01% | SaleProvider-reported open-market or direct sale.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 37.78K | $234.16 | $8,846,096 | Oct 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 4.44% of shares outstanding.
What do the reported institutional positions show for NBIS?
Nebius Group N.V. has 10 institutional rows on file; the latest displayed position date is Sep 30, 2026. Previous position sizes are unavailable, so increases and reductions cannot be determined.
What insider transactions are available for NBIS?
TECHi shows 51 dated NBIS insider transactions through Oct 29, 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 Mixed, sale-heavy: 35 sales and 4 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 insider rows, totaling 1.12 million shares. The action labels provide the transaction context.
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.
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Next open: 2026-11-16 · 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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