Latest CALAMOS ADVISORS LLC Stock Portfolio

CALAMOS ADVISORS LLC Performance:

2025 Q4: -3.53%YTD: 8.06%2024: 23.22%

Performance for 2025 Q4 is -3.53%, and YTD is 8.06%, and 2024 is 23.22%.

About CALAMOS ADVISORS LLC and 13F Hedge Fund Stock Holdings

Calamos Advisors LLC is a hedge fund based in Naperville, IL. On 2026-01-29, the fund reported it's updated stock portfolio. In the 13F Holdings report, Calamos Advisors LLC reported an equity portfolio of $26.6 Billions as of 31 Dec, 2025.

The top stock holdings of Calamos Advisors LLC are NVDA, AAPL, MSFT. The fund has invested 5% of it's portfolio in NVIDIA CORPORATION and 4.1% of portfolio in APPLE INC.

The fund managers got completely rid off KELLANOVA (K), ELECTRONIC ARTS INC (EA) and TRANSDIGM GROUP INC (TDG) stocks. They significantly reduced their stock positions in AIRBNB INC (ABNB), MERCADOLIBRE INC (MELI) and CELSIUS HLDGS INC (CELH). Calamos Advisors LLC opened new stock positions in SOUTHERN CO (SO), KENVUE INC and ISHARES TR (IJR). The fund showed a lot of confidence in some stocks as they added substantially to NETFLIX INC (NFLX), ANYWHERE REAL ESTATE INC (HOUS) and SPDR SERIES TRUST (BIL).

CALAMOS ADVISORS LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Calamos Advisors LLC made a return of -3.53% in the last quarter. In trailing 12 months, it's portfolio return was 8.06%.

Performance
S&P 500

New Buys

Ticker	$ Bought
southern co	125,180,000
datadog inc	83,624,100
strategy inc	74,896,100
bill holdings inc	73,263,400
guidewire software inc	61,796,300
nutanix inc	49,651,900
kenvue inc	46,575,000
live nation entertainment in	33,189,700

New stocks bought by CALAMOS ADVISORS LLC

Additions

Ticker	% Inc.
repligen corp	3,526
netflix inc	807
anywhere real estate inc	526
servicenow inc	321
zebra technologies corporati	295
jfrog ltd	280
iqvia hldgs inc	268
booz allen hamilton hldg cor	261

Additions to existing portfolio by CALAMOS ADVISORS LLC

Reductions

Ticker	% Reduced
southern co	-92.49
halozyme therapeutics inc	-80.3
marriott vacations worldwide	-75.16
halozyme therapeutics inc	-70.69
pg&e corp	-66.22
rapid7 inc	-56.02
haemonetics corp mass	-55.61
spdr s&p 500 etf tr	-52.97

CALAMOS ADVISORS LLC reduced stake in above stock

Sold off

None of the stocks were completely sold off by CALAMOS ADVISORS LLC

Sector Distribution

Calamos Advisors LLC has about 33.1% of it's holdings in Technology sector.

Sector	%
Technology	33.1
Financial Services	10.6
Communication Services	10.6
Consumer Cyclical	10
Healthcare	9.2
Others	7.7
Industrials	6.9
Consumer Defensive	4
Energy	2.6
Utilities	2.4
Basic Materials	1.8
Real Estate	1.1

Market Cap. Distribution

Calamos Advisors LLC has about 89.5% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
MEGA-CAP	52.4
LARGE-CAP	37.1
UNALLOCATED	7.7
MID-CAP	2.1

Stocks belong to which Index?

About 88.1% of the stocks held by Calamos Advisors LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
S&P 500	86.7
Others	11.9
RUSSELL 2000	1.4

Top 5 Winners (%)		%
	schmid group n.v.	500.8 %
	roadzen inc	292.9 %
	engene holdings inc	290.0 %
	haymaker acquisition corp iv	246.8 %
	syntec optics hldgs inc	175.8 %

Top 5 Winners ($)		$
GOOG	alphabet inc	158.2 M
LLY	eli lilly & co	85.2 M
AAPL	apple inc	69.4 M
GOOG	alphabet inc	66.2 M
MU	micron technology inc	46.9 M

Top 5 Losers (%)		%
NFLX	netflix inc	-86.7 %
	classover hldgs inc	-85.0 %
	united homes group inc	-84.6 %
	zooz strategy ltd	-81.5 %
	murano global invts plc	-79.2 %

Top 5 Losers ($)		$
NFLX	netflix inc	-986.5 M
NOW	servicenow inc	-223.2 M
MSFT	microsoft corp	-74.2 M
META	meta platforms inc	-49.8 M
ORCL	oracle corp	-46.4 M

CALAMOS ADVISORS LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of CALAMOS ADVISORS LLC

Calamos Advisors LLC has 685 stocks in it's portfolio. About 25.4% of the portfolio is in top 10 stocks. NFLX proved to be the most loss making stock for the portfolio. GOOG was the most profitable stock for Calamos Advisors LLC last quarter.

Last Reported on: 29 Jan, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
A	agilent technologies inc	0.08	163,570	22,257,000	reduced	-3.9

AAPL	apple inc	4.06	3,975,060	1,080,660,000	reduced	-2.45

ABBV	abbvie inc	0.40	466,290	106,543,000	added	3.43

ABNB	airbnb inc	0.47	125,424,000	124,281,000	unchanged	0.00

ABT	abbott labs	0.24	501,683	62,855,900	reduced	-1.73

ACN	accenture plc ireland	0.10	98,975	26,555,000	reduced	-3.76

ACWV	ishares inc	0.04	230,390	9,577,310	new

ADBE	adobe inc	0.10	74,586	26,104,400	reduced	-3.9

ADI	analog devices inc	0.16	158,057	42,865,100	added	12.11

ADM	archer daniels midland co	0.03	144,895	8,330,010	reduced	-3.9

ADP	automatic data processing in	0.09	95,826	24,649,300	reduced	-3.9

ADSK	autodesk inc	0.05	43,264	12,806,600	reduced	-3.9

AEIS	advanced energy inds	0.27	43,482,000	71,359,600	added	12.86

AEP	american elec pwr co inc	0.06	135,218	15,592,000	reduced	-3.9

AFL	aflac inc	0.05	122,136	13,467,900	reduced	-3.9

AFRM	affirm hldgs inc	0.06	13,197,000	14,687,300	new

AGGH	simplify exchange traded fun	0.03	156,265	7,877,320	added	11.62

AIZ	assurant inc	0.10	105,812	25,484,800	reduced	-2.46

AJG	gallagher arthur j & co	0.08	85,528	22,133,800	reduced	-3.51

AKAM	akamai technologies inc	0.19	49,700,000	50,037,000	reduced	-20.7