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 Q1	–	Sell	-35,500	Closed	-$2.47M	–	974
2020 Q4	$2.47M	Buy	+35,500	New	+$2.27M	0.01%	615

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

UBS Group Zurich, Switzerland $666B AUM 30.12% 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

Clear Street New York $24.6B AUM 56.26% 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

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

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

Calamos Advisors's NBIS Position: Q4 2025 in Review

Calamos Advisors sold out of Nebius Group N.V. (NBIS) in Q4 2025, closing a stake of 38,467 shares — an estimated $4.32M sold.

Calamos Advisors first reported a position in NBIS in Q4 2013 and held it in 16 quarters. The position peaked at $12.2M in Q3 2016. 621 funds tracked by Wall St. Rank hold NBIS as of Q4 2025.

Calamos Advisors reported no remaining Nebius Group N.V. position as of Q4 2025 after selling out during the quarter.
Calamos Advisors sold 38,467 Nebius Group N.V. shares in Q4 2025, an estimated $4.32M.
Calamos Advisors first reported a position in Nebius Group N.V. in Q4 2013 and held it in 16 quarters.
Calamos Advisors's Nebius Group N.V. position peaked at $12.2M in Q3 2016.
621 funds tracked by Wall St. Rank held Nebius Group N.V. as of Q4 2025.

Based on Calamos Advisors's 13F filing for Q4 2025, filed 29 Jan 2026.