Calamos Advisors LLC

CIK

1316507

City

NAPERVILLE

State / Country

Stock

CSX — Csx Corp

Top Portfolio Positions

682 positions · $19,317,960,460 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	2,414,103	$1,569,987,745	8.13%
NVDA	Nvidia Corp Technology	8,196,787	$1,429,519,652	7.40%
AAPL	Apple Inc. Technology	4,787,595	$1,215,043,735	6.29%
MSFT	Microsoft Corp Technology	2,430,907	$899,848,844	4.66%
GOOGL	Alphabet Inc. Communication Services	2,564,613	$737,480,114	3.82%
AMZN	Amazon Com Inc Consumer Cyclical	3,481,660	$725,125,328	3.75%
AVGO	Broadcom Inc. Technology	1,658,320	$513,266,623	2.66%
QQQ	Invesco Qqq Trust, Series 1	765,765	$441,984,242	2.29%
META	Meta Platforms, Inc. Communication Services	745,002	$426,237,994	2.21%
TSLA	Tesla, Inc. Consumer Cyclical	843,050	$313,403,837	1.62%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$70,655,793	1,721,213	+1.7%	Shares	Sole	2026-05-04
2025-12-31	$61,321,478	1,691,627	+34.4%	Shares	Sole	2026-01-29
2025-09-30	$44,684,860	1,258,374	+0.2%	Shares	Sole	2025-10-20
2025-06-30	$40,972,512	1,255,670	-20.8%	Shares	Sole	2025-08-08
2025-03-31	$46,653,642	1,585,241	+0.8%	Shares	Sole	2025-04-29
2024-12-31	$50,766,809	1,573,189	-12.0%	Shares	Sole	2025-01-24
2024-09-30	$61,703,763	1,786,961	-3.5%	Shares	Sole	2024-11-07
2024-06-30	$61,931,604	1,851,468	-14.7%	Shares	Sole	2024-07-25
2024-03-31	$80,495,762	2,171,453	-5.8%	Shares	Sole	2024-05-08
2023-12-31	$79,890,497	2,304,312	-3.1%	Shares	Sole	2024-01-31
2023-09-30	$73,112,153	2,377,631	-8.9%	Shares	Sole	2023-10-26
2023-06-30	$89,024,767	2,610,697	+6.3%	Shares	Sole	2023-07-28
2023-03-31	$73,533,777	2,456,038	-6.3%	Shares	Sole	2023-05-04
2022-12-31	$81,197,278	2,620,958	-4.2%	Shares	Sole	2023-01-26
2022-09-30	$72,891,915	2,736,183	+4.0%	Shares	Sole	2022-10-24
2022-06-30	$76,453,430	2,630,882	-0.1%	Shares	Sole	2022-08-01
2022-03-31	$98,614,276	2,633,225	+0.4%	Shares	Sole	2022-05-03
2021-12-31	$98,636,268	2,623,305	-4.1%	Shares	Sole	2022-02-01
2021-09-30	$81,328,015	2,734,634	+5.1%	Shares	Sole	2021-10-26
2021-06-30	$83,451,243	2,601,348	+262.5%	Shares	Sole	2021-07-22
2021-03-31	$23,066,878	717,700	+4.3%	Shares	Sole	2021-04-12
2020-12-31	$20,806,373	687,814	-1.6%	Shares	Sole	2021-01-27
2020-09-30	$18,093,614	698,865	-4.3%	Shares	Sole	2020-10-26
2020-06-30	$16,976,879	730,292	+20.2%	Shares	Sole	2020-07-27
2020-03-31	$11,600,996	607,382	—	Shares	Sole	2020-04-28
No 13F history on record for this holder in this stock.