CALAMOS ADVISORS LLC

Filed: 8/8/2025ACC: 0001085146-25-004696

📋 What this filing means

CALAMOS ADVISORS LLC filed this quarterly 13F‑HR report disclosing 879 equity positions with a total reported market value of $25.41B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

879

Positions

$25.41B

Total AUM (reported)

5.70B

Total Shares

Allocation by class

COM$12.36B48.7%

TR UNIT$1.38B5.4%

CL A$1.08B4.3%

NOTE 3/1$462.31M1.8%

CAP STK CL A$416.54M1.6%

COM NEW$353.19M1.4%

NOTE 0.500% 6/0$350.89M1.4%

Portfolio Concentration

Top 3$3.70B14.6%

4–10$3.51B13.8%

11–25$2.91B11.5%

Rest$15.28B60.1%

Top 3 weight

14.6%

Top 10 weight

28.4%

Voting Authority Distribution

Total shares with voting rights: 180.18M

Sole

Full voting authority

179.81M

% of voting shares99.8%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

369.15K

% of voting shares0.2%

Investment Discretion (by position count)

Sole836

Shared0

Other43

Dominant voting typeSole · 99.8% of voting shares

Institutional Holdings879

Rows:

SPDR S&P 500 ETF TR

SOLE

TR UNIT

Shares2.44M

TypeSH

Market value$1.38B

5.42%

Sole

2.43M

Shared

0.00

None

12.92K

NVIDIA CORPORATION

SOLE

COM

Shares7.73M

TypeSH

Market value$1.21B

4.78%

Sole

7.71M

Shared

0.00

None

27.23K

MICROSOFT CORP

SOLE

COM

Shares2.23M

TypeSH

Market value$1.11B

4.37%

Sole

2.23M

Shared

0.00

None

6.92K

APPLE INC

SOLE

COM

Shares4.15M

TypeSH

Market value$851.07M

3.35%

Sole

4.14M

Shared

0.00

None

10.13K

AMAZON COM INC

SOLE

COM

Shares3.35M

TypeSH

Market value$732.67M

2.88%

Sole

3.33M

Shared

0.00

None

14.50K

META PLATFORMS INC

SOLE

CL A

Shares679.16K

TypeSH

Market value$501.12M

1.97%

Sole

676.74K

Shared

0.00

None

2.42K

ALPHABET INC

SOLE

CAP STK CL A

Shares2.36M

TypeSH

Market value$416.54M

1.64%

Sole

2.35M

Shared

0.00

None

14.06K

BROADCOM INC

SOLE

COM

Shares1.40M

TypeSH

Market value$384.85M

1.51%

Sole

1.39M

Shared

0.00

None

4.89K

ALIBABA GROUP HLDG LTD

SOLE

NOTE 0.500% 6/0

Shares250.33M

TypePRN

Market value$319.05M

1.26%

Sole

248.79K

Shared

0.00

None

1.54K

ISHARES TR

SOLE

RUSSELL 2000 ETF

Shares1.53M

TypeSH

Market value$307.47M

1.21%

Sole

1.53M

Shared

0.00

None

0.00

VISA INC

SOLE

COM CL A

Shares724.14K

TypeSH

Market value$257.11M

1.01%

Sole

720.11K

Shared

0.00

None

4.04K

TESLA INC

SOLE

COM

Shares785.81K

TypeSH

Market value$249.06M

0.98%

Sole

784.36K

Shared

0.00

None

1.45K

NETFLIX INC

SOLE

COM

Shares177.69K

TypeSH

Market value$237.54M

0.93%

Sole

176.71K

Shared

0.00

None

984.00

BOEING CO

SOLE

DEP CONV PFD A

Shares3.43M

TypeSH

Market value$233.25M

0.92%

Sole

3.43M

Shared

0.00

None

1.94K

INVESCO QQQ TR

SOLE

UNIT SER 1

Shares489.70K

TypeSH

Market value$229.63M

0.90%

Sole

489.70K

Shared

0.00

None

0.00

ELI LILLY & CO

SOLE

COM

Shares278.57K

TypeSH

Market value$217.15M

0.85%

Sole

277.31K

Shared

0.00

None

1.25K

JPMORGAN CHASE & CO.

SOLE

COM

Shares747.05K

TypeSH

Market value$216.58M

0.85%

Sole

746.49K

Shared

0.00

None

564.00

SPOTIFY USA INC

SOLE

NOTE 3/1

Shares125.33M

TypePRN

Market value$189.94M

0.75%

Sole

124.77K

Shared

0.00

None

561.00

ALPHABET INC

SOLE

CAP STK CL C

Shares961.46K

TypeSH

Market value$170.55M

0.67%

Sole

961.46K

Shared

0.00

None

0.00

WALMART INC

SOLE

COM

Shares1.74M

TypeSH

Market value$170.26M

0.67%

Sole

1.74M

Shared

0.00

None

5.96K

ORACLE CORP

SOLE

COM

Shares751.26K

TypeSH

Market value$160.66M

0.63%

Sole

748.83K

Shared

0.00

None

2.43K

BERKSHIRE HATHAWAY INC DEL

SOLE

CL B NEW

Shares314.50K

TypeSH

Market value$152.77M

0.60%

Sole

314.50K

Shared

0.00

None

0.00

WELLS FARGO CO NEW

SOLE

COM

Shares1.81M

TypeSH

Market value$145.32M

0.57%

Sole

1.81M

Shared

0.00

None

4.44K

WESTERN DIGITAL CORP

SOLE

NOTE 3.000%11/1

Shares78.43M

TypePRN

Market value$140.77M

0.55%

Sole

78.41K

Shared

0.00

None

26.00

SOUTHERN CO

SOLE

NOTE 4.500% 6/1

Shares127.49M

TypePRN

Market value$140.16M

0.55%

Sole

127.22K

Shared

0.00

None

262.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
SPDR S&P 500 ETF TRSOLE	TR UNIT	2.44M	SH	$1.38B 5.42%	2.43M	12.92K
NVIDIA CORPORATIONSOLE	COM	7.73M	SH	$1.21B 4.78%	7.71M	27.23K
MICROSOFT CORPSOLE	COM	2.23M	SH	$1.11B 4.37%	2.23M	6.92K
APPLE INCSOLE	COM	4.15M	SH	$851.07M 3.35%	4.14M	10.13K
AMAZON COM INCSOLE	COM	3.35M	SH	$732.67M 2.88%	3.33M	14.50K
META PLATFORMS INCSOLE	CL A	679.16K	SH	$501.12M 1.97%	676.74K	2.42K
ALPHABET INCSOLE	CAP STK CL A	2.36M	SH	$416.54M 1.64%	2.35M	14.06K
BROADCOM INCSOLE	COM	1.40M	SH	$384.85M 1.51%	1.39M	4.89K
ALIBABA GROUP HLDG LTDSOLE	NOTE 0.500% 6/0	250.33M	PRN	$319.05M 1.26%	248.79K	1.54K
ISHARES TRSOLE	RUSSELL 2000 ETF	1.53M	SH	$307.47M 1.21%	1.53M	0.00
VISA INCSOLE	COM CL A	724.14K	SH	$257.11M 1.01%	720.11K	4.04K
TESLA INCSOLE	COM	785.81K	SH	$249.06M 0.98%	784.36K	1.45K
NETFLIX INCSOLE	COM	177.69K	SH	$237.54M 0.93%	176.71K	984.00
BOEING COSOLE	DEP CONV PFD A	3.43M	SH	$233.25M 0.92%	3.43M	1.94K
INVESCO QQQ TRSOLE	UNIT SER 1	489.70K	SH	$229.63M 0.90%	489.70K	0.00
ELI LILLY & COSOLE	COM	278.57K	SH	$217.15M 0.85%	277.31K	1.25K
JPMORGAN CHASE & CO.SOLE	COM	747.05K	SH	$216.58M 0.85%	746.49K	564.00
SPOTIFY USA INCSOLE	NOTE 3/1	125.33M	PRN	$189.94M 0.75%	124.77K	561.00
ALPHABET INCSOLE	CAP STK CL C	961.46K	SH	$170.55M 0.67%	961.46K	0.00
WALMART INCSOLE	COM	1.74M	SH	$170.26M 0.67%	1.74M	5.96K
ORACLE CORPSOLE	COM	751.26K	SH	$160.66M 0.63%	748.83K	2.43K
BERKSHIRE HATHAWAY INC DELSOLE	CL B NEW	314.50K	SH	$152.77M 0.60%	314.50K	0.00
WELLS FARGO CO NEWSOLE	COM	1.81M	SH	$145.32M 0.57%	1.81M	4.44K
WESTERN DIGITAL CORPSOLE	NOTE 3.000%11/1	78.43M	PRN	$140.77M 0.55%	78.41K	26.00
SOUTHERN COSOLE	NOTE 4.500% 6/1	127.49M	PRN	$140.16M 0.55%	127.22K	262.00

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