Calamos Advisors LLC

Position in NBIS — Nebius Group N.V.

CIK 1316507 NAPERVILLE, IL

Position in NBIS

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$6,732,748

+$2,414,058 QoQ

Shares Held

24,379

-36.6% QoQ

Ownership

0.009%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#279

of 1,052 holders

Holding Since

Mar 2020

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

Calamos Advisors LLC holds $1,116,515,217 across 4 Internet Content & Information names. NBIS ranks #4 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GOOGL	Alphabet Inc.	2,019,467	$721,696,921
2	META	Meta Platforms, Inc.	657,623	$370,432,459
3	SPOT	Spotify Technology S.A.	38,449	$17,653,089
4	NBIS	Nebius Group N.V. This page	24,379	$6,732,748

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,732,748	24,379	-36.6%	Shares	Sole	2026-07-31
2025-09-30	$4,318,690	38,467	+50.9%	Shares	Sole	2025-10-20
2020-12-31	—	25,500	0.0%	Shares	Sole	2021-01-27
2020-09-30	—	25,500	-27.1%	Shares	Sole	2020-10-26
2020-06-30	—	35,000	+43.1%	Shares	Sole	2020-07-27
2020-03-31	—	24,465	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.