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

Calamos 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
2021 Q2	–	Sell	-49,000	Closed	-$3.14M	–	1014
2021 Q1	$3.14M	Buy	+49,000	New	+$3.28M	0.02%	628
2019 Q4	–	Sell	-54,500	Closed	-$1.91M	–	828
2019 Q3	$1.91M	Sell	54,500 -33,600	-38%	-$1.27M	0.01%	611
2019 Q2	$3.35M	Sell	88,100 -100	-0.1%	-$3.71K	0.02%	574
2019 Q1	$3.03M	Buy	+88,200	New	+$2.92M	0.02%	512
2018 Q4	–	Sell	-102,700	Closed	-$3.38M	–	726
2018 Q3	$3.38M	Sell	102,700 -31,300	-23%	-$1.06M	0.02%	524
2018 Q2	$4.81M	Buy	+134,000	New	+$4.67M	0.03%	447

Other funds holding NBIS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return

FAM

Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

LPC

Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return

Calamos Advisors's NBIS Position: Q2 2026 in Review

Calamos Advisors opened a new position in Nebius Group N.V. (NBIS) in Q2 2026: 24,379 shares worth $6.73M. The stake represents 0.02% of the portfolio and ranks #511 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in NBIS as recently as Q3 2025.

Calamos Advisors first reported a position in NBIS in Q4 2013 and has held it in 17 quarters since. The position peaked at $12.2M in Q3 2016. 1,068 funds tracked by Wall St. Rank hold NBIS as of Q2 2026.

Calamos Advisors held 24,379 shares of Nebius Group N.V. worth $6.73M as of Q2 2026.
Nebius Group N.V. was a new Calamos Advisors position in Q2 2026.
Nebius Group N.V. made up 0.02% of Calamos Advisors's portfolio in Q2 2026, its #511 holding.
Calamos Advisors first reported a position in Nebius Group N.V. in Q4 2013 and has held it in 17 quarters since.
Calamos Advisors's Nebius Group N.V. position peaked at $12.2M in Q3 2016.
1,068 funds tracked by Wall St. Rank held Nebius Group N.V. as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.