SEC ownership of Nebius Group N.V.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001513845.

Comparable stake leader

GOLDMAN SACHS GROUP INC

Disclosed value leader

NVIDIA CORP

Comparable rows

50/50

Latest evidence

15 Sep 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
GOLDMAN SACHS GROUP INC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
15 Sep 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001513845
Issuer location
Amsterdam

Ownership snapshot

Top shareholders of Nebius Group N.V. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
GOLDMAN SACHS GROUP INC
Disclosed value leader
NVIDIA CORP
Comparable rows
50/50
Latest evidence
15 Sep 2026
13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: GOLDMAN SACHS GROUP INC Showing 1-8 of 50 holder rows.

Quick read

GOLDMAN SACHS GROUP INC leads the comparable SEC ownership view at 10%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GOLDMAN SACHS GROUP INC's linked filing trail.
Comparable ownership Top 5
GOLDMAN SACHS GROUP INC 10%
NVIDIA CORP 9.3%
Situational Awareness LP 5.6%
ORBIS INVESTMENT MANAGEMENT LTD 1.5%
Ophir Nave 0.43%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
GOLDMAN SACHS GROUP INC
13D/G 13F
THE GOLDMAN SACHS GROUP, INC. · Company
10%
$4,865,120,311
23,111,113 shares
+$1,518,778,496 31 Jul 2026
NVIDIA CORP
13D/G 13F
NVIDIA Corporation · Company
9.3%
$6,146,553,302
22,256,412 shares
$0 13 Jul 2026
Situational Awareness LP
13D/G 13F
Company
5.6%
$1,798,962,298
12,410,060 shares
$0 19 May 2026
ORBIS INVESTMENT MANAGEMENT LTD
13D/G
Orbis Investment Management Limited
1.5%
$351,646,794
3,335,358 shares
-$996,639,806 31 Dec 2025
Ophir Nave
3/4/5
COO, Director
0.43%
$263,655,356
954,685 shares
— 01 Sep 2026
John Wilson Boynton IV
3/4/5
Director
0.21%
$93,672,944
455,832 shares
-$5,616,696 15 Sep 2026
Roman Chernin
3/4/5
Chief Business Officer
0.14%
$32,775,000
312,500 shares
— 18 Mar 2026
Danila Shtan
3/4/5
Chief Technology Officer
0.12%
$64,692,948
274,763 shares
-$9,066,646 01 Jul 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$179,906,349.

Buys
$0
Insiders: 0
Sells
$179,906,349
Insiders: 9
Net
-$179,906,349
Shares: -904,155
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 904,155
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 195,909 $0 $46,328,029 -$46,328,029
3-6 0 708,246 $0 $133,578,320 -$133,578,320
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-15 of 15 reporting-owner rows connected to Nebius Group N.V.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
15
Largest Forms 3/4/5 holder
Ophir Nave
Net 12M change
-$179,906,349
Latest report
15 Sep 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Ophir Nave COO, Director $263,655,356 Median 01 Sep 2026
Arkadiy Volozh CEO, Director, 10%+ Owner $227,291,776 -$14,438,599 -6% Median 01 Sep 2026
Andrey Korolenko Chief Infrastructure Officer $129,812,532 -$115,746,397 -47% Filing P/S 01 Jul 2026
John Wilson Boynton IV Director $93,672,944 -$5,616,696 -5.7% Mixed 15 Sep 2026
Charles E. Ryan Director $75,638,820 -$13,276,633 -15% Median 01 Sep 2026
Danila Shtan Chief Technology Officer $64,692,948 -$9,066,646 -12% Filing P/S 01 Jul 2026
Roman Chernin Chief Business Officer $32,775,000 Mixed 18 Mar 2026
Boaz Tal General Counsel $16,070,788 -$1,316,787 -7.6% Filing P/S 20 May 2026
Kira Radinsky Director $4,626,952 Median 01 Sep 2026
Matthew Robert Weigand Director $4,138,959 Median 01 Sep 2026
Elena Bunina Director $3,348,285 -$8,261,325 -71% Median 01 Sep 2026
Ms. Alonso Sanchez Cfo $2,391,592 -$508,906 -18% Filing P/S 01 Sep 2026
Yael Almog General Counsel $2,152,192 Median 22 Jul 2026
Mr. Arne Grimme Director $1,625,260 Median 01 Sep 2026
Marc Boroditsky Chief Revenue Officer $0 -$11,674,360 -100% Mixed 14 Sep 2026

Recent insider transactions for Nebius Group N.V.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
John Wilson Boynton IV NBIS Class A Shares Sale -1.53% $1,338,712 $210.36 -6,364 410,832 15 Sep 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -100% $1,463,560 $209.08 -7,000 0 14 Sep 2026 Direct
Marc Boroditsky NBIS Class A Shares Options Exercise 7,000 5,000 14 Sep 2026 Direct
Marc Boroditsky NBIS Stock Options Options Exercise -2% -7,000 343,000 14 Sep 2026 Direct
Matthew Robert Weigand NBIS Class A Shares Award 9.92% 1,352 14,987 01 Sep 2026 Direct
Charles E. Ryan NBIS Class A Shares Award 0.5% 1,352 273,885 01 Sep 2026 Direct
Mr. Arne Grimme NBIS Class A Shares Award 29.8% 1,352 5,885 01 Sep 2026 Direct
Kira Radinsky NBIS Class A Shares Award 8.78% 1,352 16,754 01 Sep 2026 Direct
Elena Bunina NBIS Class A Shares Award 12.6% 1,352 12,124 01 Sep 2026 Direct
Ophir Nave NBIS Class A Shares Award 0.14% 1,352 954,685 01 Sep 2026 Direct
Arkadiy Volozh NBIS Class A Shares Award 0.16% 1,352 823,014 01 Sep 2026 Direct
John Wilson Boynton IV NBIS Class A Shares Award 0.33% 1,352 417,196 01 Sep 2026 Direct
Ms. Alonso Sanchez NBIS Class A Shares Sale -3.71% $92,120 $196.00 -470 12,202 01 Sep 2026 Direct
Charles E. Ryan NBIS Class A Shares Sale -15.5% $13,276,633 $265.53 -50,000 272,533 14 Aug 2026 Direct
John Wilson Boynton IV NBIS Class A Shares Sale -1.26% $1,435,147 $270.99 -5,296 415,844 14 Aug 2026 Direct
Yael Almog NBIS Class A Shares Award 7,793 7,793 22 Jul 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -100% $4,410,042 $197.00 -22,386 0 15 Jul 2026 Direct
John Wilson Boynton IV NBIS Class A Shares Sale -1.63% $1,370,744 $197.00 -6,958 421,140 15 Jul 2026 Direct
Arkadiy Volozh NBIS Class A Shares Sale -5.37% $10,978,327 $235.45 -46,627 821,662 01 Jul 2026 Direct
Danila Shtan NBIS Class A Shares Sale -5.81% $3,987,817 $235.45 -16,937 274,763 01 Jul 2026 Direct
Andrey Korolenko NBIS Class A Shares Sale -5.79% $7,974,927 $235.45 -33,871 551,338 01 Jul 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -16.7% $1,125,000 $250.00 -4,500 22,386 15 Jun 2026 Direct
John Wilson Boynton IV NBIS Class A Shares Sale -1.34% $1,472,093 $253.29 -5,812 428,098 15 Jun 2026 Direct
Danila Shtan NBIS Class A Shares Sale -5.1% $3,746,448 $238.96 -15,678 291,700 04 Jun 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -28.6% $2,976,333 $276.20 -10,776 26,886 02 Jun 2026 Direct
Ms. Alonso Sanchez NBIS Class A Shares Sale -10.6% $416,786 $276.20 -1,509 12,672 02 Jun 2026 Direct
Boaz Tal NBIS Class A Shares Sale -5.94% $1,016,905 $199.39 -5,100 80,754 20 May 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -10.7% $978,975 $217.55 -4,500 37,662 15 May 2026 Direct
Andrey Korolenko NBIS Class A Shares Sale -46.1% $101,620,000 $203.24 -500,000 585,209 13 May 2026 Direct
Andrey Korolenko NBIS Class A Shares Options Exercise 85.4% 500,000 1,085,209 13 May 2026 Direct
Andrey Korolenko NBIS Stock Options Options Exercise -25% -500,000 1,500,000 13 May 2026 Direct
Elena Bunina NBIS Class A Shares Sale -50.3% $2,253,640 $206.87 -10,894 10,772 13 May 2026 Direct
Elena Bunina NBIS Class A Shares Sale -33.3% $2,000,050 $184.86 -10,819 21,666 06 May 2026 Direct
Elena Bunina NBIS Class A Shares Sale -15.3% $999,940 $170.00 -5,882 32,485 04 May 2026 Direct
Marc Boroditsky NBIS Class A Shares Sale -9.64% $720,450 $160.10 -4,500 42,162 15 Apr 2026 Direct
Elena Bunina NBIS Class A Shares Sale -14% $1,007,625 $161.22 -6,250 38,367 14 Apr 2026 Direct
Elena Bunina NBIS Class A Shares Sale -13% $1,000,050 $150.00 -6,667 44,617 13 Apr 2026 Direct
Elena Bunina NBIS Class A Shares Sale -12.2% $1,000,020 $140.00 -7,143 51,284 10 Apr 2026 Direct
Andrey Korolenko NBIS Class A Shares Sale -5.09% $3,486,905 $111.20 -31,357 585,209 06 Apr 2026 Direct
Arkadiy Volozh NBIS Class A Shares Sale -3.7% $3,460,272 $103.73 -33,358 868,289 01 Apr 2026 Direct
Danila Shtan NBIS Class A Shares Sale -4.2% $1,332,381 $98.78 -13,489 307,378 31 Mar 2026 Direct
Andrey Korolenko NBIS Class A Shares Sale -4.19% $2,664,565 $98.78 -26,976 616,566 31 Mar 2026 Direct
Boaz Tal NBIS Class A Shares Sale -3.42% $299,882 $98.78 -3,036 85,854 31 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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