MACKAY SHIELDS LLC

CIK 0000061227 • 6 13F filings • Apr 29, 2025 – Jul 28, 2026

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Filer information

Filed by, address, phone, and AUM appear here after the 13f-holdings-enricher runs (it reads the SEC cover page for each filing).

AUM over time

$0 latest

Sector allocation over time

Past 5 quarters

Q4 2025

Q3 2025

Q2 2026

Q2 2025

Q1 2026

TechnologyFinancialsIndustrialsOther

Holdings by filing

Portfolio value: $2.73B7 positionsView on SEC.gov

			% of Portfolio
ABRDN NATL MUN INCOME FD	SH BEN INT	$4.0M	0.1%Prev: 0.1%	401,695 SH	Decreased
ADVANCED ENERGY INDS	NOTE 2.500% 9/1	$95.4M	3.5%Prev: 1.5%	39,644,000 PRN	Increased-5,980,000 PRN
AEROVIRONMENT INC	NOTE 7/1	$13.0M	0.5%	13,220,000 PRN	New
AFFIRM HLDGS INC	NOTE 0.750%12/1	$25.5M	0.9%	27,150,000 PRN	New
AKAMAI TECHNOLOGIES INC	NOTE 0.375% 9/0	$39.2M	1.4%Prev: 1.4%	33,819,000 PRN	Decreased-10,366,000 PRN
ALNYLAM PHARMACEUTICALS INC	NOTE 1.000% 9/1	$19.1M	0.7%Prev: 0.6%	14,844,000 PRN	Increased-507,000 PRN
APOLLO GLOBAL MGMT INC	SER A MAND CNV	$42.0M	1.5%Prev: 1.7%	713,809 SH	Decreased-15,016 SH
ARES MANAGEMENT CORPORATION	6.75 SE B PFD	$17.8M	0.7%Prev: 0.7%	480,034 SH	Decreased-1,595 SH
ARROWHEAD PHARMACEUTICALS IN	NOTE 1/1	$3.1M	0.1%	3,000,000 PRN	New
BANK AMERICA CORP	7.25%CNV PFD L	$24.9M	0.9%Prev: 1.2%	20,867 SH	Decreased-9,084 SH
BILL HOLDINGS INC	NOTE 4/0	$13.5M	0.5%	15,102,000 PRN	New
BIOMARIN PHARMACEUTICAL INC	NOTE 1.250% 5/1	$25.6M	0.9%Prev: 1.7%	26,502,000 PRN	Decreased-28,428,000 PRN
BLACKLINE INC	NOTE 1.000% 6/0	$598K	0.0%	635,000 PRN	New
BLACKROCK MUN TARGET TERM TR	COM SHS BEN IN	$35.6M	1.3%Prev: 1.1%	1,566,262 SH	Increased+2,355 SH
BLACKROCK MUNIHLDGS NJ QLTY	COM	$13.3M	0.5%Prev: 0.5%	1,147,932 SH	Decreased-103,118 SH
BLACKROCK MUNIHLDNGS CALI	COM	$1.5M	0.1%	146,840 SH	New
BLACKROCK MUNIHOLDINGS FD IN	COM	$22.4M	0.8%Prev: 0.7%	1,982,355 SH	Decreased+2,669 SH
BLACKROCK MUNIYIELD MICH QU	COM	$7.8M	0.3%Prev: 0.2%	658,969 SH	Increased-5,850 SH
BLACKROCK MUNIYIELD N Y QUAL	COM	$22.6M	0.8%Prev: 0.4%	2,349,687 SH	Increased+1,203,332 SH
BLACKROCK MUNIYIELD QUALITY	COM	$5.5M	0.2%Prev: 0.3%	526,256 SH	Decreased-500,549 SH
BLACKROCK MUNIYILD QULT FD I	COM	$17.5M	0.6%Prev: 0.1%	1,594,019 SH	Increased+1,236,182 SH
BOEING CO	DEP CONV PFD A	$53.9M	2.0%Prev: 1.2%	829,414 SH	Increased+207,334 SH
BRIDGEBIO PHARMA INC	NOTE 2.250% 2/0	$37.4M	1.4%Prev: 0.7%	33,315,000 PRN	Increased+8,827,000 PRN
BURLINGTON STORES INC	NOTE 1.250%12/1	$33.7M	1.2%Prev: 0.9%	20,379,000 PRN	Increased-182,000 PRN
CABLE ONE INC	NOTE 1.125% 3/1	$58.4M	2.1%Prev: 1.4%	77,359,000 PRN	Increased+23,679,000 PRN
CHEESECAKE FACTORY INC	NOTE 0.375% 6/1	$15.2M	0.6%Prev: 0.8%	15,388,000 PRN	Decreased-10,569,000 PRN
CHEFS WHSE INC	NOTE 2.375%12/1	$35.1M	1.3%Prev: 1.6%	23,749,000 PRN	Decreased-11,036,000 PRN
CHEGG INC	NOTE 9/0	$43K	0.0%Prev: 0.0%	45,000 PRN	Increased
CLOUDFLARE INC	NOTE 8/1	$6.6M	0.2%Prev: 1.2%	5,680,000 PRN	Decreased-31,818,000 PRN
DATADOG INC	NOTE 12/0	$32.8M	1.2%	33,802,000 PRN	New
DEXCOM INC	NOTE 0.375% 5/1	$27.6M	1.0%	29,970,000 PRN	New
DROPBOX INC	NOTE 3/0	$23.1M	0.8%Prev: 1.0%	24,323,000 PRN	Decreased-6,416,000 PRN
DUKE ENERGY CORP NEW	NOTE 4.125% 4/1	$552K	0.0%Prev: 0.0%	500,000 PRN	Increased
EATON VANCE MUN BD FD	COM	$1.2M	0.0%Prev: 0.1%	125,764 SH	Decreased-183,628 SH
ETSY INC	NOTE 0.125%10/0	$32.0M	1.2%Prev: 1.2%	32,736,000 PRN	Decreased-4,982,000 PRN
FIVE9 INC	NOTE 1.000% 3/1	$5.5M	0.2%Prev: 0.4%	6,265,000 PRN	Decreased-6,705,000 PRN
FLUOR CORP	NOTE 1.125% 8/1	$32.5M	1.2%	26,312,000 PRN	New
FRESHPET INC	NOTE 3.000% 4/0	$36.6M	1.3%	31,791,000 PRN	New
GLOBAL PMTS INC	NOTE 1.500% 3/0	$11.4M	0.4%Prev: 0.8%	12,879,000 PRN	Decreased-14,551,000 PRN
GREENBRIER COS INC	NOTE 2.875% 4/1	$22.0M	0.8%Prev: 0.7%	19,032,000 PRN	Increased-173,000 PRN
GUIDEWIRE SOFTWARE INC	NOTE 1.250%11/0	$25.1M	0.9%	25,147,000 PRN	New
GULFPORT ENERGY CORP	COMMON SHARES	$20.9M	0.8%Prev: 0.3%	98,592 SH	Increased+41,810 SH
HALOZYME THERAPEUTICS INC	NOTE 0.250% 3/0	$5.6M	0.2%	5,416,000 PRN	New
HEWLETT PACKARD ENTERPRISE C	7.625 MAND CONV	$39.0M	1.4%Prev: 0.9%	601,856 SH	Increased-9,869 SH
INTEGER HLDGS CORP	DBCV 1.875% 3/1	$43.3M	1.6%	45,159,000 PRN	New
INTEGER HLDGS CORP	NOTE 2.125% 2/1	$4.5M	0.2%Prev: 0.2%	3,845,000 PRN	Decreased-448,000 PRN
INVESCO ADVANTAGE MUN INCOME	SH BEN INT	$392K	0.0%Prev: 0.1%	45,320 SH	Decreased-359,641 SH
INVESCO MUN OPPORTUNIT TR	COM	$1.2M	0.0%	126,255 SH	New
INVESCO MUNICIPAL TRUST	COM	$2.0M	0.1%Prev: 0.1%	208,814 SH	Decreased-116,293 SH
INVESCO TR INVT GRADE MUNS	COM	$2.1M	0.1%Prev: 0.1%	209,167 SH	Decreased-160,995 SH
IONIS PHARMACEUTICALS INC	NOTE 1.750% 6/1	$15.7M	0.6%Prev: 1.0%	10,410,000 PRN	Decreased-20,383,000 PRN
IRHYTHM HOLDINGS INC	NOTE 1.500% 9/0	$35.8M	1.3%	32,631,000 PRN	New
ISHARES GOLD TR	ISHARES NEW	$34.4M	1.3%Prev: 1.3%	390,150 SH	Decreased-269,850 SH
JAZZ INVESTMENTS I LTD	NOTE 2.000% 6/1	$15.9M	0.6%Prev: 0.9%	13,087,000 PRN	Decreased-13,366,000 PRN
LANTHEUS HLDGS INC	NOTE 2.625%12/1	$61.2M	2.2%Prev: 2.5%	50,898,000 PRN	Decreased-5,121,000 PRN
LIBERTY MEDIA CORP DEL	NOTE 2.250% 8/1	$39.3M	1.4%Prev: 1.4%	33,972,000 PRN	Decreased-841,000 PRN
LIBERTY MEDIA CORP DEL	NOTE 3.750% 3/1	$25.5M	0.9%Prev: 1.0%	24,458,000 PRN	Decreased-5,377,000 PRN
LIVE NATION ENTERTAINMENT IN	NOTE 2.875% 1/1	$32.1M	1.2%	29,737,000 PRN	New
LIVE NATION ENTERTAINMENT IN	NOTE 3.125% 1/1	$7.2M	0.3%Prev: 0.2%	4,726,000 PRN	Decreased-531,000 PRN
LUMENTUM HLDGS INC	NOTE 0.500% 6/1	$143.6M	5.3%Prev: 0.9%	26,786,000 PRN	Increased-3,659,000 PRN
LUMENTUM HLDGS INC	NOTE 0.500%12/1	$15.6M	0.6%Prev: 0.2%	2,200,000 PRN	Increased-3,092,000 PRN
MERITAGE HOMES CORP	NOTE 1.750% 5/1	$27.2M	1.0%	28,125,000 PRN	New
MFS MUN INCOME TR	SH BEN INT	$1.8M	0.1%Prev: 0.1%	333,155 SH	Increased
MGP INGREDIENTS INC NEW	NOTE 1.875%11/1	$13.8M	0.5%Prev: 0.8%	14,287,000 PRN	Decreased-11,163,000 PRN
MICROCHIP TECHNOLOGY INC.	DEP SHS REPSTG	$34.3M	1.3%Prev: 0.8%	601,047 SH	Increased+92,397 SH
MIRUM PHARMACEUTICALS INC	NOTE 4.000% 5/0	$69.0M	2.5%Prev: 1.5%	23,054,000 PRN	Increased-4,904,000 PRN
MKS INC.	NOTE 1.250% 6/0	$60.4M	2.2%	36,510,000 PRN	New
NCL CORP LTD	NOTE 1.125% 2/1	$38.0M	1.4%Prev: 1.4%	38,891,000 PRN	Decreased-6,257,000 PRN
NEUBERGER MUN FD INC	COM	$6.3M	0.2%	623,277 SH	New
NEW YORK LIFE INVTS ACTIVE E	NYLI MACKAY SECU	$295K	0.0%	11,504 SH	New
NEXTERA ENERGY INC	UNIT 06/01/2027	$26.7M	1.0%	472,936 SH	New
NINE ENERGY SERVICE INC	COMMON STOCK	$25.1M	0.9%	3,066,434 SH	New
NORTHERN OIL & GAS INC	NOTE 3.625% 4/1	$36.6M	1.3%Prev: 1.1%	33,296,000 PRN	Increased+940,000 PRN
NUTANIX INC	NOTE 0.250%10/0	$4.7M	0.2%Prev: 1.8%	4,604,000 PRN	Decreased-36,408,000 PRN
NUTANIX INC	NOTE 0.500%12/1	$26.8M	1.0%	29,645,000 PRN	New
NUVEEN MUN CR INCOME FD	COM SH BEN INT	$678K	0.0%	55,659 SH	New
NUVEEN NY AMT FREE	COM	$5.3M	0.2%	519,880 SH	New
NUVEEN PA INVT QUALITY MUN F	COM	$1.4M	0.1%	117,934 SH	New
ON SEMICONDUCTOR CORP	NOTE 5/0	$50.6M	1.9%	39,171,000 PRN	New
ORACLE CORP	6.5 DEP CUM SR D	$29.7M	1.1%	646,846 SH	New
OSI SYSTEMS INC	NOTE 2.250% 8/0	$6.9M	0.3%	4,525,000 PRN	New
PARSONS CORP DEL	NOTE 2.625% 3/0	$25.8M	0.9%Prev: 0.7%	26,133,000 PRN	Increased+3,712,000 PRN
PATRICK INDS INC	NOTE 1.750%12/0	$33.2M	1.2%Prev: 1.3%	19,136,000 PRN	Decreased-10,425,000 PRN
PELOTON INTERACTIVE INC	NOTE 5.500%12/0	$26.0M	1.0%	19,417,000 PRN	New
PG&E CORP	NOTE 4.250%12/0	$48.1M	1.8%Prev: 2.1%	46,384,000 PRN	Decreased-14,532,000 PRN
POST HLDGS INC	NOTE 2.500% 8/1	$43.6M	1.6%Prev: 2.3%	40,228,000 PRN	Decreased-18,521,000 PRN
PPL CAP FDG INC	NOTE 2.875% 3/1	$586K	0.0%Prev: 0.0%	500,000 PRN	Increased
PROGRESS SOFTWARE CORP	NOTE 3.500% 3/0	$25.6M	0.9%Prev: 0.7%	28,693,000 PRN	Increased+7,714,000 PRN
Q2 HLDGS INC	NOTE 0.750% 6/0	$13.2M	0.5%Prev: 0.3%	13,281,000 PRN	Increased+5,526,000 PRN
QXO INC	5.50 DEP PFD	$65.3M	2.4%	1,170,361 SH	New
RIVIAN AUTOMOTIVE INC	NOTE 4.625% 3/1	$19.9M	0.7%Prev: 0.6%	18,587,000 PRN	Increased-338,000 PRN
SEAGATE HDD CAYMAN	NOTE 3.500% 6/0	$31.5M	1.2%Prev: 1.2%	6,638,000 PRN	Decreased-23,502,000 PRN
SHIFT4 PMTS INC	NOTE 0.500% 8/0	$18.4M	0.7%Prev: 1.3%	19,532,000 PRN	Decreased-20,468,000 PRN
SNOWFLAKE INC	NOTE 10/0	$38.5M	1.4%	32,570,000 PRN	New
SOUTHERN CO	NOTE 4.500% 6/1	$6.3M	0.2%	5,640,000 PRN	New
SPDR GOLD TR	GOLD SHS	$6.6M	0.2%Prev: 0.1%	15,336 SH	Increased
SPECTRUM BRANDS INC	NOTE 3.375% 6/0	$7.9M	0.3%	7,857,000 PRN	New
SYNAPTICS INC	NOTE 0.750%12/0	$16.8M	0.6%	16,169,000 PRN	New
TALOS ENERGY INC	COM	$20.9M	0.8%Prev: 1.0%	1,329,097 SH	Decreased-1,803,079 SH
TELADOC HEALTH INC	NOTE 1.250% 6/0	$7.2M	0.3%Prev: 0.5%	7,505,000 PRN	Decreased-8,034,000 PRN
TETRA TECH INC NEW	DBCV 2.250% 8/1	$57.2M	2.1%Prev: 2.2%	54,518,000 PRN	Decreased-10,192,000 PRN
UBER TECHNOLOGIES INC	NOTE 0.875%12/0	$54.6M	2.0%Prev: 1.7%	45,352,000 PRN	Increased+1,979,000 PRN
UNITY SOFTWARE INC	NOTE 3/1	$26.8M	1.0%	26,902,000 PRN	New
UPSTART HLDGS INC	NOTE 1.000%11/1	$17.9M	0.7%	25,168,000 PRN	New
VERTEX INC	NOTE 0.750% 5/0	$8.0M	0.3%	9,185,000 PRN	New
WARNER BROS DISCOVERY INC	COM SER A	$6.2M	0.2%	226,250 SH	New
WEC ENERGY GROUP INC	NOTE 4.375% 6/0	$6.5M	0.2%	5,266,000 PRN	New
WELLS FARGO & CO	PERP PFD CNV A	$17.1M	0.6%	14,760 SH	New
WESTERN DIGITAL CORP	NOTE 3.000%11/1	$110.8M	4.1%Prev: 0.8%	15,476,000 PRN	Increased-3,935,000 PRN
WORKIVA INC	NOTE 1.250% 8/1	$15.8M	0.6%Prev: 0.5%	16,850,000 PRN	Decreased-220,000 PRN
WW INTL INC	COM NEW	$197K	0.0%	14,371 SH	New

Sold (vs prior filing)

AMERICAN AIRLINES GROUP INC — $7.3M
AMPHASTAR PHARMACEUTICALS IN — $20.7M
ARRAY TECHNOLOGIES INC — $7.2M
BENTLEY SYS INC — $7.8M
BILL HOLDINGS INC — $72K
BLACKROCK INVT QUALITY MUN T — $1.1M
BLACKROCK MUN INCOME QUALITY — $3.4M
BLACKROCK MUN INCOME TR — $6.5M
BLACKROCK MUNI INCOME TR II — $3.7M
BLACKROCK MUNIHLDGS NY QLTY — $12.1M
BLACKROCK MUNIHLDNGS CALI QL — $10.5M
BLACKROCK MUNIVEST FD II INC — $694K
BLACKROCK MUNIVEST FD INC — $10.0M
BLACKROCK MUNIYIELD FD INC — $5.9M
BLACKROCK N Y MUN INCOME TRU — $2.2M
BOOKING HOLDINGS INC — $27.9M
CABLE ONE INC — $24.4M
CHART INDS INC — $22.3M
CONMED CORP — $31.8M
DANAHER CORPORATION — $15.7M
… and 54 more

All filings

Open a filing on Jive Data

Filing Date	Quarter	Form	Accession	Portfolio	Filing
Oct 13, 2026	Q3 2026	13F-HR	0000061227-26-000003	—	View
Jan 29, 2026	Q4 2025	13F-HR	0000061227-26-000001	$2.86B	View
Oct 27, 2025	Q3 2025