Citadel Advisors’s Nebius Group N.V. NBIS Stock Holding History

Citadel Advisors’s Portfolio NBIS Stock Details NBIS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$191M	Sell	1,839,300 -1,174,700	-39%	-$117M	0.03%	471
2025 Q4	$252M	Sell	3,014,000 -1,573,100	-34%	-$163M	0.04%	398
2025 Q3	$515M	Buy	4,587,100 +2,009,100	+78%	+$139M	0.08%	177
2025 Q2	$143M	Buy	2,578,000 +158,300	+7%	+$5.45M	0.02%	549
2025 Q1	$51.1M	Buy	2,419,700 +1,372,600	+131%	+$45.2M	0.01%	1127
2024 Q4	$29M	Buy	+1,047,100	New	+$25.5M	0.01%	1780
2022 Q2	–	Sell	-241,600	Closed	-$1.66M	–	14301
2022 Q1	$1.66M	Sell	241,600 -507,100	-68%	-$24.1M	﹤0.01%	6509
2021 Q4	$45.3M	Buy	748,700 +139,400	+23%	+$10.3M	0.01%	1246
2021 Q3	$48.6M	Buy	609,300 +14,000	+2%	+$1.02M	0.01%	1148
2021 Q2	$42.1M	Buy	595,300 +488,300	+456%	+$32M	0.01%	1278
2021 Q1	$6.85M	Sell	107,000 -15,200	-12%	-$1.02M	﹤0.01%	3629
2020 Q4	$8.5M	Sell	122,200 -24,100	-16%	-$1.54M	﹤0.01%	2858
2020 Q3	$9.55M	Buy	146,300 +9,600	+7%	+$572K	﹤0.01%	2342
2020 Q2	$6.84M	Sell	136,700 -17,200	-11%	-$689K	﹤0.01%	2658
2020 Q1	$5.24M	Sell	153,900 -130,800	-46%	-$5.4M	﹤0.01%	2643
2019 Q4	$12.4M	Buy	284,700 +100,600	+55%	+$3.75M	0.01%	1978
2019 Q3	$6.45M	Sell	184,100 -69,400	-27%	-$2.62M	﹤0.01%	2763
2019 Q2	$9.63M	Buy	253,500 +11,400	+5%	+$423K	﹤0.01%	2219
2019 Q1	$8.31M	Sell	242,100 -144,500	-37%	-$4.79M	﹤0.01%	2292
2018 Q4	$10.6M	Sell	386,600 -225,500	-37%	-$6.62M	0.01%	1834
2018 Q3	$20.1M	Buy	612,100 +62,200	+11%	+$2.11M	0.01%	1390
2018 Q2	$19.7M	Buy	549,900 +271,800	+98%	+$9.47M	0.01%	1335
2018 Q1	$11M	Sell	278,100 -145,400	-34%	-$5.71M	0.01%	1627
2017 Q4	$13.9M	Buy	423,500 +106,000	+33%	+$3.46M	0.01%	1417
2017 Q3	$10.5M	Buy	317,500 +206,800	+187%	+$6.31M	0.01%	1567
2017 Q2	$2.9M	Sell	110,700 -22,500	-17%	-$586K	﹤0.01%	2697
2017 Q1	$2.92M	Buy	133,200 +1,800	+1%	+$41K	﹤0.01%	2618
2016 Q4	$2.65M	Buy	131,400 +36,900	+39%	+$726K	﹤0.01%	2635
2016 Q3	$1.99M	Sell	94,500 -33,500	-26%	-$729K	﹤0.01%	2976
2016 Q2	$2.8M	Buy	128,000 +76,200	+147%	+$1.48M	﹤0.01%	2387
2016 Q1	$794K	Sell	51,800 -11,000	-18%	-$150K	﹤0.01%	3761
2015 Q4	$987K	Sell	62,800 -85,200	-58%	-$1.27M	﹤0.01%	3591
2015 Q3	$1.59M	Sell	148,000 -15,600	-10%	-$204K	﹤0.01%	3236
2015 Q2	$2.49M	Sell	163,600 -92,300	-36%	-$1.69M	﹤0.01%	2808
2015 Q1	$3.88M	Buy	255,900 +30,000	+13%	+$482K	﹤0.01%	2302
2014 Q4	$4.06M	Sell	225,900 -14,800	-6%	-$357K	﹤0.01%	2174
2014 Q3	$6.69M	Sell	240,700 -3,100	-1%	-$94K	0.01%	1723
2014 Q2	$8.69M	Buy	243,800 +90,500	+59%	+$2.78M	0.01%	1381
2014 Q1	$4.63M	Buy	153,300 +9,500	+7%	+$351K	0.01%	1852
2013 Q4	$6.21M	Buy	143,800 +69,500	+94%	+$2.7M	0.01%	1525
2013 Q3	$2.71M	Buy	74,300 +50,000	+206%	+$1.64M	﹤0.01%	2121
2013 Q2	$671K	Buy	+24,300	New	+$617K	﹤0.01%	3555

Other funds holding NBIS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

FAM

Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return

AL4A

Accel Leaders 4 Associates Palo Alto, California $475M AUM 391.52% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citadel Advisors's NBIS Position: Q1 2026 in Review

Citadel Advisors reduced its Nebius Group N.V. (NBIS) stake by 13% in Q1 2026, selling an estimated $6.94M and leaving 456,668 shares worth $47.4M. The position accounts for 0.01% of the portfolio, ranked #1416.

Citadel Advisors first reported a position in NBIS in Q3 2013 and has held it in 49 quarters since. The position peaked at $116M in Q4 2024. 723 funds tracked by Wall St. Rank hold NBIS as of Q1 2026.

Citadel Advisors held 456,668 shares of Nebius Group N.V. worth $47.4M as of Q1 2026.
Citadel Advisors sold 69,578 Nebius Group N.V. shares in Q1 2026, an estimated $6.94M.
Nebius Group N.V. made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1416 holding.
Citadel Advisors first reported a position in Nebius Group N.V. in Q3 2013 and has held it in 49 quarters since.
Citadel Advisors's Nebius Group N.V. position peaked at $116M in Q4 2024.
723 funds tracked by Wall St. Rank held Nebius Group N.V. as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.