ADVENT CAPITAL MANAGEMENT /DE/

Filed: 8/11/2026ACC: 0001140361-26-032210

📋 What this filing means

ADVENT CAPITAL MANAGEMENT /DE/ filed this quarterly 13F‑HR report disclosing 234 equity positions with a total reported market value of $4.46B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

234

Positions

$4.46B

Total AUM (reported)

2.77B

Total Shares

Allocation by class

CONV$3.14B70.4%

CONV PFD$1.16B25.9%

COM$162.84M3.7%

Portfolio Concentration

Top 3$506.76M11.4%

4–10$678.37M15.2%

11–25$907.11M20.3%

Rest$2.37B53.1%

Top 3 weight

11.4%

Top 10 weight

26.6%

Voting Authority Distribution

Total shares with voting rights: 2.77B

Sole

Full voting authority

1.55B

% of voting shares56.0%

Shared

Joint voting authority

98.65M

% of voting shares3.6%

None

No voting authority

1.12B

% of voting shares40.4%

Investment Discretion (by position count)

Sole234

Shared0

Other0

Dominant voting typeSole · 56.0% of voting shares

Institutional Holdings234

Rows:

BANK OF AMERICA CORP

SOLE

CONV PFD

Shares146.28K

TypeSH

Market value$183.86M

4.12%

Sole

83.61K

Shared

3.99K

None

58.67K

WELLS FARGO & COMPANY

SOLE

CONV PFD

Shares152.08K

TypeSH

Market value$176.56M

3.96%

Sole

85.20K

Shared

4.21K

None

62.67K

UBER TECHNOLOGIES INC

SOLE

CONV

Shares122.09M

TypePRN

Market value$146.35M

3.28%

Sole

101M

Shared

624K

None

20.47M

DOORDASH INC

SOLE

CONV

Shares141.27M

TypePRN

Market value$139.33M

3.12%

Sole

58.28M

Shared

4.78M

None

78.21M

NEXTERA ENERGY INC

SOLE

CONV PFD

Shares1.95M

TypeSH

Market value$104.79M

2.35%

Sole

1.66M

Shared

24.87K

None

266.99K

CMS ENERGY CORP

SOLE

CONV

Shares82.24M

TypePRN

Market value$92.30M

2.07%

Sole

72.38M

Shared

748K

None

9.11M

PPL CAPITAL FUNDING INC

SOLE

CONV

Shares80.08M

TypePRN

Market value$91.67M

2.05%

Sole

70.04M

Shared

551K

None

9.49M

GLOBAL PAYMENTS INC

SOLE

CONV

Shares94.08M

TypePRN

Market value$85.14M

1.91%

Sole

61.67M

Shared

1.63M

None

30.77M

ALPHABET INC

SOLE

CONV PFD

Shares1.64M

TypeSH

Market value$82.70M

1.85%

Sole

1.13M

Shared

51.63K

None

456.42K

AKAMAI TECHNOLOGIES INC

SOLE

CONV

Shares56.43M

TypePRN

Market value$82.44M

1.85%

Sole

37.19M

Shared

244K

None

18.99M

KKR & CO INC

SOLE

CONV PFD

Shares2.06M

TypeSH

Market value$81.98M

1.84%

Sole

1.83M

Shared

15.79K

None

212.92K

WESTERN DIGITAL CORP

SOLE

CONV

Shares4.51M

TypePRN

Market value$76.06M

1.70%

Sole

3.52M

Shared

153K

None

843K

AEROVIRONMENT INC

SOLE

CONV

Shares75.87M

TypePRN

Market value$72.52M

1.63%

Sole

32.11M

Shared

3.46M

None

40.30M

APOLLO GLOBAL MANAGEMENT

SOLE

CONV PFD

Shares1.09M

TypeSH

Market value$66.36M

1.49%

Sole

957.67K

Shared

8.88K

None

122.31K

SNOWFLAKE INC

SOLE

CONV

Shares36.11M

TypePRN

Market value$63.93M

1.43%

Sole

21.90M

Shared

562K

None

13.64M

ALPHABET INC

SOLE

CONV PFD

Shares1.27M

TypeSH

Market value$63.89M

1.43%

Sole

864.30K

Shared

21.68K

None

382K

SOUTHERN CO

SOLE

CONV PFD

Shares1.22M

TypeSH

Market value$60.82M

1.36%

Sole

987.29K

Shared

10.27K

None

217.92K

BOEING CO/THE

SOLE

CONV PFD

Shares887.38K

TypeSH

Market value$60.21M

1.35%

Sole

733.27K

Shared

25.09K

None

129.01K

TETRA TECH INC

SOLE

CONV

Shares53.81M

TypePRN

Market value$57.19M

1.28%

Sole

35.17M

Shared

1.45M

None

17.19M

IRHYTHM HOLDINGS INC

SOLE

CONV

Shares47.42M

TypePRN

Market value$52.47M

1.18%

Sole

21.72M

Shared

1.39M

None

24.31M

NEXTERA ENERGY CAPITAL

SOLE

CONV

Shares38.88M

TypePRN

Market value$51.49M

1.15%

Sole

30.55M

Shared

0.00

None

8.32M

CLOUDFLARE INC

SOLE

CONV

Shares39.63M

TypePRN

Market value$50.22M

1.13%

Sole

22.26M

Shared

59K

None

17.32M

FIRSTENERGY CORP

SOLE

CONV

Shares44.37M

TypePRN

Market value$50.11M

1.12%

Sole

40.27M

Shared

476K

None

3.62M

MERITAGE HOMES CORP

SOLE

CONV

Shares48.27M

TypePRN

Market value$50.09M

1.12%

Sole

31.86M

Shared

1.32M

None

15.09M

CENTERPOINT ENERGY INC

SOLE

CONV

Shares40.77M

TypePRN

Market value$49.77M

1.12%

Sole

38.14M

Shared

0.00

None

2.63M

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	Shared	None
BANK OF AMERICA CORPSOLE	CONV PFD	146.28K	SH	$183.86M 4.12%	83.61K	3.99K	58.67K
WELLS FARGO & COMPANYSOLE	CONV PFD	152.08K	SH	$176.56M 3.96%	85.20K	4.21K	62.67K
UBER TECHNOLOGIES INCSOLE	CONV	122.09M	PRN	$146.35M 3.28%	101M	624K	20.47M
DOORDASH INCSOLE	CONV	141.27M	PRN	$139.33M 3.12%	58.28M	4.78M	78.21M
NEXTERA ENERGY INCSOLE	CONV PFD	1.95M	SH	$104.79M 2.35%	1.66M	24.87K	266.99K
CMS ENERGY CORPSOLE	CONV	82.24M	PRN	$92.30M 2.07%	72.38M	748K	9.11M
PPL CAPITAL FUNDING INCSOLE	CONV	80.08M	PRN	$91.67M 2.05%	70.04M	551K	9.49M
GLOBAL PAYMENTS INCSOLE	CONV	94.08M	PRN	$85.14M 1.91%	61.67M	1.63M	30.77M
ALPHABET INCSOLE	CONV PFD	1.64M	SH	$82.70M 1.85%	1.13M	51.63K	456.42K
AKAMAI TECHNOLOGIES INCSOLE	CONV	56.43M	PRN	$82.44M 1.85%	37.19M	244K	18.99M
KKR & CO INCSOLE	CONV PFD	2.06M	SH	$81.98M 1.84%	1.83M	15.79K	212.92K
WESTERN DIGITAL CORPSOLE	CONV	4.51M	PRN	$76.06M 1.70%	3.52M	153K	843K
AEROVIRONMENT INCSOLE	CONV	75.87M	PRN	$72.52M 1.63%	32.11M	3.46M	40.30M
APOLLO GLOBAL MANAGEMENTSOLE	CONV PFD	1.09M	SH	$66.36M 1.49%	957.67K	8.88K	122.31K
SNOWFLAKE INCSOLE	CONV	36.11M	PRN	$63.93M 1.43%	21.90M	562K	13.64M
ALPHABET INCSOLE	CONV PFD	1.27M	SH	$63.89M 1.43%	864.30K	21.68K	382K
SOUTHERN COSOLE	CONV PFD	1.22M	SH	$60.82M 1.36%	987.29K	10.27K	217.92K
BOEING CO/THESOLE	CONV PFD	887.38K	SH	$60.21M 1.35%	733.27K	25.09K	129.01K
TETRA TECH INCSOLE	CONV	53.81M	PRN	$57.19M 1.28%	35.17M	1.45M	17.19M
IRHYTHM HOLDINGS INCSOLE	CONV	47.42M	PRN	$52.47M 1.18%	21.72M	1.39M	24.31M
NEXTERA ENERGY CAPITALSOLE	CONV	38.88M	PRN	$51.49M 1.15%	30.55M	0.00	8.32M
CLOUDFLARE INCSOLE	CONV	39.63M	PRN	$50.22M 1.13%	22.26M	59K	17.32M
FIRSTENERGY CORPSOLE	CONV	44.37M	PRN	$50.11M 1.12%	40.27M	476K	3.62M
MERITAGE HOMES CORPSOLE	CONV	48.27M	PRN	$50.09M 1.12%	31.86M	1.32M	15.09M
CENTERPOINT ENERGY INCSOLE	CONV	40.77M	PRN	$49.77M 1.12%	38.14M	0.00	2.63M

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