CALAMOS ADVISORS LLC

Filed: 10/20/2025ACC: 0001316507-25-000003

📋 What this filing means

CALAMOS ADVISORS LLC filed this quarterly 13F‑HR report disclosing 885 equity positions with a total reported market value of $27.08B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

885

Positions

$27.08B

Total AUM (reported)

5.56B

Total Shares

Allocation by class

COM$12.94B47.8%

TR UNIT$1.26B4.6%

CL A$1.06B3.9%

CAP STK CL A$546.55M2.0%

UNIT SER 1$516.99M1.9%

NOTE 3/1$490.68M1.8%

NOTE 0.500% 6/0$448.06M1.7%

Portfolio Concentration

Top 3$3.87B14.3%

4–10$4.19B15.5%

11–25$3.31B12.2%

Rest$15.70B58.0%

Top 3 weight

14.3%

Top 10 weight

29.8%

Voting Authority Distribution

Total shares with voting rights: 182.19M

Sole

Full voting authority

181.81M

% of voting shares99.8%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

379.60K

% of voting shares0.2%

Investment Discretion (by position count)

Sole836

Shared0

Other49

Dominant voting typeSole · 99.8% of voting shares

Institutional Holdings885

Rows:

NVIDIA CORPORATION

SOLE

COM

Shares7.53M

TypeSH

Market value$1.40B

5.18%

Sole

7.50M

Shared

0.00

None

26.02K

SPDR S&P 500 ETF TR

SOLE

TR UNIT

Shares2.02M

TypeSH

Market value$1.26B

4.65%

Sole

Shared

0.00

None

12.16K

MICROSOFT CORP

SOLE

COM

Shares2.34M

TypeSH

Market value$1.21B

4.46%

Sole

2.33M

Shared

0.00

None

6.60K

APPLE INC

SOLE

COM

Shares4.08M

TypeSH

Market value$1.04B

3.84%

Sole

4.08M

Shared

0.00

None

9.60K

AMAZON COM INC

SOLE

COM

Shares3.22M

TypeSH

Market value$707.38M

2.61%

Sole

3.21M

Shared

0.00

None

13.37K

ALPHABET INC

SOLE

CAP STK CL A

Shares2.25M

TypeSH

Market value$546.55M

2.02%

Sole

2.24M

Shared

0.00

None

12.19K

INVESCO QQQ TR

SOLE

UNIT SER 1

Shares937.15K

TypeSH

Market value$516.99M

1.91%

Sole

937.15K

Shared

0.00

None

0.00

META PLATFORMS INC

SOLE

CL A

Shares680.60K

TypeSH

Market value$499.82M

1.85%

Sole

678.29K

Shared

0.00

None

2.31K

BROADCOM INC

SOLE

COM

Shares1.41M

TypeSH

Market value$463.83M

1.71%

Sole

1.40M

Shared

0.00

None

4.30K

ALIBABA GROUP HLDG LTD

SOLE

NOTE 0.500% 6/0

Shares227.06M

TypePRN

Market value$417.53M

1.54%

Sole

225.68K

Shared

0.00

None

1.38K

TESLA INC

SOLE

COM

Shares827.21K

TypeSH

Market value$360.78M

1.33%

Sole

825.84K

Shared

0.00

None

1.37K

ISHARES TR

SOLE

RUSSELL 2000 ETF

Shares1.35M

TypeSH

Market value$290.93M

1.07%

Sole

1.35M

Shared

0.00

None

0.00

WESTERN DIGITAL CORP

SOLE

NOTE 3.000%11/1

Shares78.40M

TypePRN

Market value$251.13M

0.93%

Sole

78.37K

Shared

0.00

None

26.00

VISA INC

SOLE

COM CL A

Shares717.36K

TypeSH

Market value$244.89M

0.90%

Sole

713.80K

Shared

0.00

None

3.56K

BOEING CO

SOLE

DEP CONV PFD A

Shares3.42M

TypeSH

Market value$238.25M

0.88%

Sole

3.42M

Shared

0.00

None

1.94K

JPMORGAN CHASE & CO.

SOLE

COM

Shares744.57K

TypeSH

Market value$234.86M

0.87%

Sole

744K

Shared

0.00

None

564.00

ALPHABET INC

SOLE

CAP STK CL C

Shares961.59K

TypeSH

Market value$234.20M

0.86%

Sole

961.59K

Shared

0.00

None

0.00

NETFLIX INC

SOLE

COM

Shares179.25K

TypeSH

Market value$215.19M

0.79%

Sole

178.31K

Shared

0.00

None

940.00

SPOTIFY USA INC

SOLE

NOTE 3/1

Shares155.53M

TypePRN

Market value$213.06M

0.79%

Sole

155.12K

Shared

0.00

None

409.00

ELI LILLY & CO

SOLE

COM

Shares274.31K

TypeSH

Market value$209.30M

0.77%

Sole

273.21K

Shared

0.00

None

1.10K

ORACLE CORP

SOLE

COM

Shares646.53K

TypeSH

Market value$181.83M

0.67%

Sole

643.85K

Shared

0.00

None

2.68K

WALMART INC

SOLE

COM

Shares1.65M

TypeSH

Market value$170.45M

0.63%

Sole

1.65M

Shared

0.00

None

4.50K

SEAGATE HDD CAYMAN

SOLE

NOTE 3.500% 6/0

Shares55.29M

TypePRN

Market value$158.49M

0.59%

Sole

54.90K

Shared

0.00

None

384.00

SOUTHERN CO

SOLE

NOTE 4.500% 6/1

Shares141.26M

TypePRN

Market value$157.42M

0.58%

Sole

140.23K

Shared

0.00

None

1.03K

WELLS FARGO CO NEW

SOLE

COM

Shares1.78M

TypeSH

Market value$149.35M

0.55%

Sole

1.78M

Shared

0.00

None

4.67K

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
NVIDIA CORPORATIONSOLE	COM	7.53M	SH	$1.40B 5.18%	7.50M	26.02K
SPDR S&P 500 ETF TRSOLE	TR UNIT	2.02M	SH	$1.26B 4.65%	2M	12.16K
MICROSOFT CORPSOLE	COM	2.34M	SH	$1.21B 4.46%	2.33M	6.60K
APPLE INCSOLE	COM	4.08M	SH	$1.04B 3.84%	4.08M	9.60K
AMAZON COM INCSOLE	COM	3.22M	SH	$707.38M 2.61%	3.21M	13.37K
ALPHABET INCSOLE	CAP STK CL A	2.25M	SH	$546.55M 2.02%	2.24M	12.19K
INVESCO QQQ TRSOLE	UNIT SER 1	937.15K	SH	$516.99M 1.91%	937.15K	0.00
META PLATFORMS INCSOLE	CL A	680.60K	SH	$499.82M 1.85%	678.29K	2.31K
BROADCOM INCSOLE	COM	1.41M	SH	$463.83M 1.71%	1.40M	4.30K
ALIBABA GROUP HLDG LTDSOLE	NOTE 0.500% 6/0	227.06M	PRN	$417.53M 1.54%	225.68K	1.38K
TESLA INCSOLE	COM	827.21K	SH	$360.78M 1.33%	825.84K	1.37K
ISHARES TRSOLE	RUSSELL 2000 ETF	1.35M	SH	$290.93M 1.07%	1.35M	0.00
WESTERN DIGITAL CORPSOLE	NOTE 3.000%11/1	78.40M	PRN	$251.13M 0.93%	78.37K	26.00
VISA INCSOLE	COM CL A	717.36K	SH	$244.89M 0.90%	713.80K	3.56K
BOEING COSOLE	DEP CONV PFD A	3.42M	SH	$238.25M 0.88%	3.42M	1.94K
JPMORGAN CHASE & CO.SOLE	COM	744.57K	SH	$234.86M 0.87%	744K	564.00
ALPHABET INCSOLE	CAP STK CL C	961.59K	SH	$234.20M 0.86%	961.59K	0.00
NETFLIX INCSOLE	COM	179.25K	SH	$215.19M 0.79%	178.31K	940.00
SPOTIFY USA INCSOLE	NOTE 3/1	155.53M	PRN	$213.06M 0.79%	155.12K	409.00
ELI LILLY & COSOLE	COM	274.31K	SH	$209.30M 0.77%	273.21K	1.10K
ORACLE CORPSOLE	COM	646.53K	SH	$181.83M 0.67%	643.85K	2.68K
WALMART INCSOLE	COM	1.65M	SH	$170.45M 0.63%	1.65M	4.50K
SEAGATE HDD CAYMANSOLE	NOTE 3.500% 6/0	55.29M	PRN	$158.49M 0.59%	54.90K	384.00
SOUTHERN COSOLE	NOTE 4.500% 6/1	141.26M	PRN	$157.42M 0.58%	140.23K	1.03K
WELLS FARGO CO NEWSOLE	COM	1.78M	SH	$149.35M 0.55%	1.78M	4.67K

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