BLACKROCK
Rank #1
4.53%
- Shares
- 9.94M
- Change
- +506.19K
- Change %
- +5.37%
- Filing
- Mar 31, 2026
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · COMMUNICATION SERVICES · 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.
Ownership read
NBIS insider sentiment: Net selling.
BLACKROCK is the largest loaded institutional holder. 22 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
NBIS
Purchases—
Sales4.24M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
9.94M
BLACKROCK
Insider stance
Net selling
$607.71M sold / — bought
Latest filing
Jun 2, 2026
Most recent holder or insider filing date
Rows loaded
146
120 holder / 26 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- Jun 2, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 79
- 35 decreased in loaded rows
- Insider rows
- 26
- Market data feed
Top 120 institutional holders
Nebius Group N.V. (NBIS) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
FRED ALGER MANAGEMENT
Rank #2
4.38%
- Shares
- 9.60M
- Change
- +1.66M
- Change %
- +20.93%
- Filing
- Mar 31, 2026
Increased
ORBIS ALLAN GRAY LTD
Rank #3
3.79%
- Shares
- 8.31M
- Change
- +4.98M
- Change %
- +1.49%
- Filing
- Mar 31, 2026
Increased
VALUE ALIGNED RESEARCH ADVISORS
Rank #4
2.65%
- Shares
- 5.81M
- Change
- +2.51M
- Change %
- +75.86%
- Filing
- Mar 31, 2026
Increased
ACCEL LEADERS 4 ASSOCIATES L.P.
Rank #5
2.09%
- Shares
- 4.58M
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
MORGAN STANLEY
Rank #6
1.67%
- Shares
- 3.67M
- Change
- -39.63K
- Change %
- -1.07%
- Filing
- Mar 31, 2026
Decreased
STATE STREET CORP
Rank #7
1.60%
- Shares
- 3.50M
- Change
- +282.13K
- Change %
- +8.76%
- Filing
- Mar 31, 2026
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #8
1.53%
- Shares
- 3.36M
- Change
- +591.89K
- Change %
- +21.39%
- Filing
- Mar 31, 2026
Increased
JANUS HENDERSON GROUP PLC
Rank #9
1.47%
- Shares
- 3.22M
- Change
- +416.73K
- Change %
- +14.86%
- Filing
- Mar 31, 2026
Increased
UBS GROUP AG
Rank #10
1.42%
- Shares
- 3.12M
- Change
- -1.46M
- Change %
- -31.91%
- Filing
- Mar 31, 2026
Decreased
GOLDMAN SACHS GROUP INC
Rank #11
1.41%
- Shares
- 3.08M
- Change
- +418.87K
- Change %
- +15.72%
- Filing
- Mar 31, 2026
Increased
CLEAR STREET GROUP INC.
Rank #12
1.39%
- Shares
- 3.06M
- Change
- -453.07K
- Change %
- -12.90%
- Filing
- Mar 31, 2026
Decreased
TWO SIGMA INVESTMENTS
Rank #13
1.27%
- Shares
- 2.80M
- Change
- +2.71M
- Change %
- +30.69%
- Filing
- Mar 31, 2026
Increased
ACCEL LEADERS 3 ASSOCIATES L.P.
Rank #14
1.03%
- Shares
- 2.25M
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
GEODE CAPITAL MANAGEMENT
Rank #15
0.95%
- Shares
- 2.09M
- Change
- +43.79K
- Change %
- +2.14%
- Filing
- Mar 31, 2026
Increased
ROVIDA INVESTMENT MANAGEMENT LTD
Rank #16
0.86%
- Shares
- 1.89M
- Change
- +65.00K
- Change %
- +3.56%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #17
0.80%
- Shares
- 1.76M
- Change
- -967.43K
- Change %
- -35.41%
- Filing
- Mar 31, 2026
Decreased
JENNISON ASSOCIATES LLC
Rank #18
0.78%
- Shares
- 1.70M
- Change
- +1.70M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
UBS AM
Rank #19
0.71%
- Shares
- 1.55M
- Change
- +90.17K
- Change %
- +6.17%
- Filing
- Mar 31, 2026
Increased
BANK OF AMERICA CORP
Rank #20
0.68%
- Shares
- 1.50M
- Change
- +496.70K
- Change %
- +49.57%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 4.53% | 9.94M | +506.19K Increased | +5.37% | Mar 31, 2026 | |
| 2 | FRED ALGER MANAGEMENT | 4.38% | 9.60M | +1.66M Increased | +20.93% | Mar 31, 2026 |
| 3 | ORBIS ALLAN GRAY LTD | 3.79% | 8.31M | +4.98M Increased | +1.49% | Mar 31, 2026 |
| 4 | VALUE ALIGNED RESEARCH ADVISORS | 2.65% | 5.81M | +2.51M Increased | +75.86% | Mar 31, 2026 |
| 5 | ACCEL LEADERS 4 ASSOCIATES L.P. | 2.09% | 4.58M | — Unchanged | 0.00% | Mar 31, 2026 |
| 6 | 1.67% | 3.67M | -39.63K Decreased | -1.07% | Mar 31, 2026 | |
| 7 | 1.60% | 3.50M | +282.13K Increased | +8.76% | Mar 31, 2026 | |
| 8 | 1.53% | 3.36M | +591.89K Increased | +21.39% | Mar 31, 2026 | |
| 9 | JANUS HENDERSON GROUP PLC | 1.47% | 3.22M | +416.73K Increased | +14.86% | Mar 31, 2026 |
| 10 | 1.42% | 3.12M | -1.46M Decreased | -31.91% | Mar 31, 2026 | |
| 11 | 1.41% | 3.08M | +418.87K Increased | +15.72% | Mar 31, 2026 | |
| 12 | CLEAR STREET GROUP INC. | 1.39% | 3.06M | -453.07K Decreased | -12.90% | Mar 31, 2026 |
| 13 | TWO SIGMA INVESTMENTS | 1.27% | 2.80M | +2.71M Increased | +30.69% | Mar 31, 2026 |
| 14 | ACCEL LEADERS 3 ASSOCIATES L.P. | 1.03% | 2.25M | — Unchanged | 0.00% | Mar 31, 2026 |
| 15 | 0.95% | 2.09M | +43.79K Increased | +2.14% | Mar 31, 2026 | |
| 16 | ROVIDA INVESTMENT MANAGEMENT LTD | 0.86% | 1.89M | +65.00K Increased | +3.56% | Mar 31, 2026 |
| 17 | 0.80% | 1.76M | -967.43K Decreased | -35.41% | Mar 31, 2026 | |
| 18 | 0.78% | 1.70M | +1.70M Initiated | — | Mar 31, 2026 | |
| 19 | 0.71% | 1.55M | +90.17K Increased | +6.17% | Mar 31, 2026 | |
| 20 | 0.68% | 1.50M | +496.70K Increased | +49.57% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
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.
Boroditsky Marc
- Shares
- 26.89K
- % company
- 0.01%
- Price
- $276.20
- Value
- $7,425,919
Filed Jun 2, 2026
Alonso Sanchez Maria del Dado
- Shares
- 12.67K
- % company
- <0.01%
- Price
- $276.20
- Value
- $3,500,009
Filed Jun 2, 2026
Tal Boaz
- Shares
- 80.75K
- % company
- 0.04%
- Price
- $199.01
- Value
- $16,070,789
Filed May 20, 2026
Tal Boaz
- Shares
- 81.25K
- % company
- 0.04%
- Price
- $200.00
- Value
- $16,250,800
Filed May 20, 2026
Tal Boaz
- Shares
- 83.25K
- % company
- 0.04%
- Price
- $199.00
- Value
- $16,567,546
Filed May 20, 2026
Boroditsky Marc
- Shares
- 37.66K
- % company
- 0.02%
- Price
- $217.55
- Value
- $8,193,368
Filed May 15, 2026
Korolenko Andrey
- Shares
- 1.50M
- % company
- 0.68%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
Korolenko Andrey
- Shares
- 585.21K
- % company
- 0.27%
- Price
- $203.24
- Value
- $118,937,877
Filed May 13, 2026
Korolenko Andrey
- Shares
- 1.09M
- % company
- 0.49%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
Korolenko Andrey
- Shares
- 1.50M
- % company
- 0.68%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
Korolenko Andrey
- Shares
- 585.21K
- % company
- 0.27%
- Price
- $203.24
- Value
- $118,937,877
Filed May 13, 2026
Korolenko Andrey
- Shares
- 1.09M
- % company
- 0.49%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Boroditsky Marc | 0.01% | Sale | 26.89K | $276.20 | $7,425,919 | Jun 2, 2026 |
| 2 | Alonso Sanchez Maria del Dado | <0.01% | Sale | 12.67K | $276.20 | $3,500,009 | Jun 2, 2026 |
| 3 | Tal Boaz | 0.04% | Sale | 80.75K | $199.01 | $16,070,789 | May 20, 2026 |
| 4 | Tal Boaz | 0.04% | Sale | 81.25K | $200.00 | $16,250,800 | May 20, 2026 |
| 5 | Tal Boaz | 0.04% | Sale | 83.25K | $199.00 | $16,567,546 | May 20, 2026 |
| 6 | Boroditsky Marc | 0.02% | Sale | 37.66K | $217.55 | $8,193,368 | May 15, 2026 |
| 7 | Korolenko Andrey | 0.68% | Option exercise | 1.50M | No cash value | No cash value | May 13, 2026 |
| 8 | Korolenko Andrey | 0.27% | Sale | 585.21K | $203.24 | $118,937,877 | May 13, 2026 |
| 9 | Korolenko Andrey | 0.49% | Option exercise | 1.09M | No cash value | No cash value | May 13, 2026 |
| 10 | Korolenko Andrey | 0.68% | Option exercise | 1.50M | No cash value | No cash value | May 13, 2026 |
| 11 | Korolenko Andrey | 0.27% | Sale | 585.21K | $203.24 | $118,937,877 | May 13, 2026 |
| 12 | Korolenko Andrey | 0.49% | Option exercise | 1.09M | No cash value | No cash value | May 13, 2026 |
Showing 12 of 26 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest NBIS shareholders?
BLACKROCK is the largest institutional holder in the loaded NBIS ownership feed, with 9.94 million shares, or about 4.53% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of NBIS?
The current TECHi snapshot has 120 loaded institutional rows for Nebius Group N.V.. 79 rows are marked increased or initiated, while 35 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Nebius Group N.V. insider transactions?
The insider transaction table currently shows 26 loaded Form 4 rows for NBIS, with the latest insider filing dated Jun 2, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are NBIS insiders buying or selling?
The loaded NBIS Form 4 rows currently read Net selling: 22 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active NBIS insider in the loaded filings?
Korolenko Andrey is the most active insider by absolute share movement in the loaded NBIS rows, with 7.54 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.