Calamos Advisors LLC 13F Holdings

Name: SEC Form 13F Institutional Holdings Database
Creator: 13F Fund Database
License: https://www.sec.gov/about/secdataaccess

CIK 0001316507 · NAPERVILLE, IL

As of Sep 30, 2025, Calamos Advisors LLC reported 1,003 positions worth $21.8B in its SEC Form 13F filing.

Top 25 holdings

Security	Ticker	Sector	Shares	Value	% of portfolio
NVIDIA CORP	NVDA	Technology	7,475,880	.4B	6.38%
SPDR S&P 500 ETF TRUST	SPY	—	2,015,516	.3B	5.76%
MICROSOFT CORP	MSFT	Technology	2,339,339	.2B	5.53%
APPLE INC	AAPL	Technology	4,074,858	.0B	4.75%
AMAZON.COM INC	AMZN	Equity	3,213,654	$705.6M	3.23%
ALPHABET INC	GOOGL	Equity	2,241,020	$544.8M	2.49%
INVESCO QQQ TRUST SERIES 1	QQQ	—	936,800	$516.8M	2.37%
META PLATFORMS INC	META	Communication Services	678,596	$498.3M	2.28%
BROADCOM INC	AVGO	Technology	1,400,671	$462.1M	2.11%
ALIBABA GROUP HLDG LTD	—	—	227,062,000	$417.5M	1.91%
TESLA INC	TSLA	Consumer Cyclical	771,312	$343.0M	1.57%
ISHARES RUSSELL 2000 ETF	IWM	—	1,348,200	$290.9M	1.33%
WESTERN DIGITAL CORP	—	—	78,399,000	$251.1M	1.15%
VISA INC-CLASS A SHARES	V	Financial Services	717,360	$244.9M	1.12%
BOEING CO	BA-PA	Industrials	3,424,571	$238.2M	1.09%
JPMORGAN CHASE & CO	JPM	Financial Services	744,568	$234.9M	1.07%
ALPHABET INC	GOOG	Equity	961,591	$234.2M	1.07%
SPOTIFY USA INC	—	—	155,525,000	$213.1M	0.98%
NETFLIX INC	NFLX	Communication Services	177,255	$212.5M	0.97%
ELI LILLY & CO	LLY	Healthcare	274,313	$209.3M	0.96%
ORACLE CORP	ORCL	Technology	646,529	81.8M	0.83%
WALMART INC	WMT	Consumer Defensive	1,653,891	70.5M	0.78%
SEAGATE HDD CAYMAN	—	—	55,286,000	58.5M	0.73%
SOUTHERN CO	—	—	141,259,000	57.4M	0.72%
WELLS FARGO & COMPANY	WFC	Financial Services	1,781,796	49.4M	0.68%