MACKAY SHIELDS LLC

Filed: 10/31/2024ACC: 0001085146-24-005246

📋 What this filing means

MACKAY SHIELDS LLC filed this quarterly 13F‑HR report disclosing 144 equity positions with a total reported market value of $3.65B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

144

Positions

$3.65B

Total AUM (reported)

2.49B

Total Shares

Allocation by class

COM$387.50M10.6%

NOTE 3/0$92.71M2.5%

NOTE 3/1$91.87M2.5%

NOTE 2.625%12/1$87.62M2.4%

DBCV 2.250% 8/1$85.23M2.3%

NOTE 1.500% 6/0$81.17M2.2%

NOTE 0.125%11/1$77.45M2.1%

Portfolio Concentration

Top 3$254.02M7.0%

4–10$499.91M13.7%

11–25$823.58M22.6%

Rest$2.07B56.8%

Top 3 weight

7.0%

Top 10 weight

20.7%

Voting Authority Distribution

Total shares with voting rights: 2.49B

Sole

Full voting authority

174.40M

% of voting shares7.0%

Shared

Joint voting authority

2.31B

% of voting shares93.0%

None

No voting authority

566.13K

% of voting shares0.0%

Investment Discretion (by position count)

Sole64

Shared0

Other80

Dominant voting typeShared · 93.0% of voting shares

Institutional Holdings144

Rows:

LANTHEUS HLDGS INC

OTR

NOTE 2.625%12/1

Shares56.33M

TypePRN

Market value$87.62M

2.40%

Sole

2.53M

Shared

53.79M

None

11K

TETRA TECH INC NEW

SOLE

DBCV 2.250% 8/1

Shares64.91M

TypePRN

Market value$85.23M

2.34%

Sole

2.89M

Shared

62.01M

None

13K

TRANSMEDICS GROUP INC

SOLE

NOTE 1.500% 6/0

Shares43.97M

TypePRN

Market value$81.17M

2.22%

Sole

1.78M

Shared

42.18M

None

MICROCHIP TECHNOLOGY INC.

OTR

NOTE 0.125%11/1

Shares77.44M

TypePRN

Market value$77.45M

2.12%

Sole

3.21M

Shared

74.21M

None

15K

NRG ENERGY INC

DFND

DBCV 2.750% 6/0

Shares33.51M

TypePRN

Market value$74.35M

2.04%

Sole

1.57M

Shared

31.94M

None

ZILLOW GROUP INC

SOLE

NOTE 1.375% 9/0

Shares49.06M

TypePRN

Market value$72.61M

1.99%

Sole

2.36M

Shared

46.69M

None

10K

POST HLDGS INC

OTR

NOTE 2.500% 8/1

Shares59.37M

TypePRN

Market value$70.72M

1.94%

Sole

2.27M

Shared

57.08M

None

14K

BIOMARIN PHARMACEUTICAL INC

OTR

NOTE 1.250% 5/1

Shares72.57M

TypePRN

Market value$69.23M

1.90%

Sole

3.24M

Shared

69.32M

None

16K

FORD MTR CO

OTR

NOTE 3/1

Shares69.33M

TypePRN

Market value$68.10M

1.87%

Sole

2.98M

Shared

66.34M

None

14K

INTEGER HLDGS CORP

OTR

NOTE 2.125% 2/1

Shares42.66M

TypePRN

Market value$67.45M

1.85%

Sole

1.94M

Shared

40.71M

None

11K

NICE LTD

SOLE

NOTE 9/1

Shares69.83M

TypePRN

Market value$67.03M

1.84%

Sole

3.15M

Shared

66.66M

None

22K

SOUTHWEST AIRLS CO

SOLE

NOTE 1.250% 5/0

Shares63.42M

TypePRN

Market value$64.12M

1.76%

Sole

2.40M

Shared

61.02M

None

11K

PATRICK INDS INC

SOLE

NOTE 1.750%12/0

Shares42.38M

TypePRN

Market value$63.98M

1.75%

Sole

1.80M

Shared

40.57M

None

18K

LUMENTUM HLDGS INC

SOLE

NOTE 0.500%12/1

Shares60.40M

TypePRN

Market value$59.52M

1.63%

Sole

2.75M

Shared

57.64M

None

14K

NEXTERA ENERGY INC

SOLE

UNIT 09/01/2025

Shares1.24M

TypeSH

Market value$58.37M

1.60%

Sole

75.59K

Shared

1.16M

None

571.00

ON SEMICONDUCTOR CORP

OTR

NOTE 0.500% 3/0

Shares56.71M

TypePRN

Market value$57.52M

1.58%

Sole

2.62M

Shared

54.07M

None

16K

HALOZYME THERAPEUTICS INC

OTR

NOTE 1.000% 8/1

Shares44.49M

TypePRN

Market value$52.93M

1.45%

Sole

2.03M

Shared

42.45M

None

15K

CONMED CORP

SOLE

NOTE 2.250% 6/1

Shares55.47M

TypePRN

Market value$51.58M

1.41%

Sole

2.52M

Shared

52.93M

None

14K

MGP INGREDIENTS INC NEW

OTR

NOTE 1.875%11/1

Shares47.56M

TypePRN

Market value$50.89M

1.39%

Sole

2.22M

Shared

45.33M

None

11K

APOLLO GLOBAL MGMT INC

SOLE

SER A MAND CNV

Shares740.08K

TypeSH

Market value$50.61M

1.39%

Sole

38.10K

Shared

701.72K

None

256.00

LIVE NATION ENTERTAINMENT IN

OTR

NOTE 3.125% 1/1

Shares40.61M

TypePRN

Market value$50.07M

1.37%

Sole

2.05M

Shared

38.54M

None

14K

BOOKING HOLDINGS INC

OTR

NOTE 0.750% 5/0

Shares22.32M

TypePRN

Market value$50.03M

1.37%

Sole

1.32M

Shared

21M

None

0.00

NUTANIX INC

SOLE

NOTE 0.250%10/0

Shares41.53M

TypePRN

Market value$49.70M

1.36%

Sole

1.97M

Shared

39.54M

None

13K

MIRUM PHARMACEUTICALS INC

SOLE

NOTE 4.000% 5/0

Shares33.34M

TypePRN

Market value$48.97M

1.34%

Sole

1.26M

Shared

32.07M

None

PALO ALTO NETWORKS INC

OTR

NOTE 0.375% 6/0

Shares14.03M

TypePRN

Market value$48.25M

1.32%

Sole

483K

Shared

13.54M

None

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	Shared	None
LANTHEUS HLDGS INCOTR	NOTE 2.625%12/1	56.33M	PRN	$87.62M 2.40%	2.53M	53.79M	11K
TETRA TECH INC NEWSOLE	DBCV 2.250% 8/1	64.91M	PRN	$85.23M 2.34%	2.89M	62.01M	13K
TRANSMEDICS GROUP INCSOLE	NOTE 1.500% 6/0	43.97M	PRN	$81.17M 2.22%	1.78M	42.18M	9K
MICROCHIP TECHNOLOGY INC.OTR	NOTE 0.125%11/1	77.44M	PRN	$77.45M 2.12%	3.21M	74.21M	15K
NRG ENERGY INCDFND	DBCV 2.750% 6/0	33.51M	PRN	$74.35M 2.04%	1.57M	31.94M	8K
ZILLOW GROUP INCSOLE	NOTE 1.375% 9/0	49.06M	PRN	$72.61M 1.99%	2.36M	46.69M	10K
POST HLDGS INCOTR	NOTE 2.500% 8/1	59.37M	PRN	$70.72M 1.94%	2.27M	57.08M	14K
BIOMARIN PHARMACEUTICAL INCOTR	NOTE 1.250% 5/1	72.57M	PRN	$69.23M 1.90%	3.24M	69.32M	16K
FORD MTR COOTR	NOTE 3/1	69.33M	PRN	$68.10M 1.87%	2.98M	66.34M	14K
INTEGER HLDGS CORPOTR	NOTE 2.125% 2/1	42.66M	PRN	$67.45M 1.85%	1.94M	40.71M	11K
NICE LTDSOLE	NOTE 9/1	69.83M	PRN	$67.03M 1.84%	3.15M	66.66M	22K
SOUTHWEST AIRLS COSOLE	NOTE 1.250% 5/0	63.42M	PRN	$64.12M 1.76%	2.40M	61.02M	11K
PATRICK INDS INCSOLE	NOTE 1.750%12/0	42.38M	PRN	$63.98M 1.75%	1.80M	40.57M	18K
LUMENTUM HLDGS INCSOLE	NOTE 0.500%12/1	60.40M	PRN	$59.52M 1.63%	2.75M	57.64M	14K
NEXTERA ENERGY INCSOLE	UNIT 09/01/2025	1.24M	SH	$58.37M 1.60%	75.59K	1.16M	571.00
ON SEMICONDUCTOR CORPOTR	NOTE 0.500% 3/0	56.71M	PRN	$57.52M 1.58%	2.62M	54.07M	16K
HALOZYME THERAPEUTICS INCOTR	NOTE 1.000% 8/1	44.49M	PRN	$52.93M 1.45%	2.03M	42.45M	15K
CONMED CORPSOLE	NOTE 2.250% 6/1	55.47M	PRN	$51.58M 1.41%	2.52M	52.93M	14K
MGP INGREDIENTS INC NEWOTR	NOTE 1.875%11/1	47.56M	PRN	$50.89M 1.39%	2.22M	45.33M	11K
APOLLO GLOBAL MGMT INCSOLE	SER A MAND CNV	740.08K	SH	$50.61M 1.39%	38.10K	701.72K	256.00
LIVE NATION ENTERTAINMENT INOTR	NOTE 3.125% 1/1	40.61M	PRN	$50.07M 1.37%	2.05M	38.54M	14K
BOOKING HOLDINGS INCOTR	NOTE 0.750% 5/0	22.32M	PRN	$50.03M 1.37%	1.32M	21M	0.00
NUTANIX INCSOLE	NOTE 0.250%10/0	41.53M	PRN	$49.70M 1.36%	1.97M	39.54M	13K
MIRUM PHARMACEUTICALS INCSOLE	NOTE 4.000% 5/0	33.34M	PRN	$48.97M 1.34%	1.26M	32.07M	5K
PALO ALTO NETWORKS INCOTR	NOTE 0.375% 6/0	14.03M	PRN	$48.25M 1.32%	483K	13.54M	6K

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