MACKAY SHIELDS LLC

SEC CIK
0000061227

Holdings, Q2 2026

Positions as of Jun 30, 2026, filed Jul 28, 2026.SEC

Positions
108
−3 vs. Q1 2026
Total value
$2.99B
+$257.48M (+9.4%) vs. Q1 2026

Compare with Q1 2026: new, added, reduced and sold out

Positions

Long positions only. Changes compare share counts with Q1 2026.

MACKAY SHIELDS LLC holdings in Q2 2026
SecurityClassSharesValue% of portfolioChange in sharesActionHistory
WDCWESTERN DIGITAL CORPNOTE 3.000%11/1–$150.82M5.05%––View
GOOGMALPHABET INCDEP SHS RP1/20 A2,427,303$122.64M4.11%+2,427,303NewView
MKSIMKS INC.NOTE 1.250% 6/0–$107.48M3.60%––View
LUMENTUM HLDGS INC55024UAF6NOTE 0.500% 6/1–$84.11M2.82%–––
LANTHEUS HLDGS INC516544AB9NOTE 2.625%12/1–$74M2.48%–––
HEWLETT PACKARD ENTERPRISE C42824C2087.625 MAND CONV601,263$70.21M2.35%−593−0.1%Reduced–
CABOCABLE ONE INCNOTE 1.125% 3/1–$58.78M1.97%––View
QXO INC82846H5045.50 DEP PFD1,169,488$57.41M1.92%−873−0.1%Reduced–
BOEING CO097023204DEP CONV PFD A828,674$56.17M1.88%−740−0.1%Reduced–
TTEKTETRA TECH INC NEWDBCV 2.250% 8/1–$55.27M1.85%––View
UBERUBER TECHNOLOGIES INCNOTE 0.875%12/0–$54.33M1.82%––View
SNOWSNOWFLAKE INCNOTE 10/0–$54.16M1.81%––View
CHEFS WHSE INC163086AE1NOTE 2.375%12/1–$53.04M1.78%–––
ETSYETSY INCNOTE 0.125%10/0–$50.89M1.70%––View
NEXTERA ENERGY INC65339F663UNIT 06/01/2027940,950$50.46M1.69%+468,014+99.0%Added–
PG&E CORP69331CAL2NOTE 4.250%12/0–$47.53M1.59%–––
MCHPPMICROCHIP TECHNOLOGY INC.DEP SHS REPSTG603,491$46.45M1.56%+2,444+0.4%AddedView
BTTBLACKROCK MUN TARGET TERM TRCOM SHS BEN IN1,967,980$44.77M1.50%+401,718+25.6%AddedView
INTEGER HLDGS CORP45826HAD1DBCV 1.875% 3/1–$43.94M1.47%–––
APOLLO GLOBAL MGMT INC03769M304SER A MAND CNV713,153$43.46M1.46%−656−0.1%Reduced–
LIBERTY MEDIA CORP DEL531229AQ5NOTE 2.250% 8/1–$42.05M1.41%–––
POST HLDGS INC737446AT1NOTE 2.500% 8/1–$41.66M1.40%–––
MERIT MED SYS INC589889AB0NOTE 3.000% 2/0–$41.08M1.38%–New–
AKAMAKAMAI TECHNOLOGIES INCNOTE 0.375% 9/0–$40.84M1.37%––View
ONON SEMICONDUCTOR CORPNOTE 5/0–$39.96M1.34%––View
NINENINE ENERGY SERVICE INCCOMMON STOCK3,011,565$39.18M1.31%−54,869−1.8%ReducedView
DDOGDATADOG INCNOTE 12/0–$39.07M1.31%––View
REVOLUTION MEDICINES INC76155XAA8NOTE 0.500% 5/0–$38.07M1.28%–New–
FRPTFRESHPET INCNOTE 3.000% 4/0–$36.96M1.24%––View
BBIOBRIDGEBIO PHARMA INCNOTE 2.250% 2/0–$36.92M1.24%––View
IRTCIRHYTHM HOLDINGS INCNOTE 1.500% 9/0–$35.9M1.20%––View
LIVE NATION ENTERTAINMENT IN538034BC2NOTE 2.875% 1/1–$35.57M1.19%–––
PTONPELOTON INTERACTIVE INCNOTE 5.500%12/0–$34.87M1.17%––View
FLRFLUOR CORPNOTE 1.125% 8/1–$34.7M1.16%––View
JAZZ INVESTMENTS I LTD472145AH4NOTE 3.125% 9/1–$34.66M1.16%–New–
NOGNORTHERN OIL & GAS INCNOTE 3.625% 4/1–$31.9M1.07%––View
AFFIRM HLDGS INC00827BAD8NOTE 0.750%12/1–$31.7M1.06%–––
CYBERARK SOFTWARE LTD23248VAD7NOTE 6/1–$31.62M1.06%–New–
NETCLOUDFLARE INCNOTE 6/1–$31.51M1.06%–NewView
UUNITY SOFTWARE INCNOTE 3/1–$30.46M1.02%––View
ORACLE CORP68389X2046.5 DEP CUM SR D645,801$29.12M0.98%−1,045−0.2%Reduced–
MTHMERITAGE HOMES CORPNOTE 1.750% 5/1–$29M0.97%––View
PATK703343AG812/01/2028–$28.33M0.95%–––
LIBERTY MEDIA CORP DEL531229AP7NOTE 3.750% 3/1–$28.08M0.94%–––
BURLBURLINGTON STORES INCNOTE 1.250%12/1–$27.99M0.94%––View
PRGSPROGRESS SOFTWARE CORPNOTE 3.500% 3/0–$27.47M0.92%––View
BANK OF AMER CORP0605056827.25%CNV PFD L20,806$26.13M0.88%−61−0.3%Reduced–
PSNPARSONS CORP DELNOTE 2.625% 3/0–$25.81M0.86%––View
BMRNBIOMARIN PHARMACEUTICAL INCNOTE 1.250% 5/1–$25.74M0.86%––View
IAUISHARES GOLD TRUSTETF328,020$24.77M0.83%−62,130−15.9%ReducedView
DBXDROPBOX INCNOTE 3/0–$24.61M0.82%––View
ARROWHEAD PHARMACEUTICALS IN04280AAC4NOTE 1/1–$24.48M0.82%–––
DASHDOORDASH INCNOTE 5/1–$24.37M0.82%–NewView
SYNASYNAPTICS INCNOTE 0.750%12/0–$24.04M0.81%––View
GWREGUIDEWIRE SOFTWARE INCNOTE 1.250%11/0–$23.98M0.80%––View
MYNBLACKROCK MUNIYIELD N Y QUALCOM2,349,687$23.85M0.80%00.0%UnchangedView
MHDBLACKROCK MUNIHOLDINGS FD INCOM1,982,355$23.59M0.79%00.0%UnchangedView
RIVNRIVIAN AUTOMOTIVE INCNOTE 4.625% 3/1–$22.06M0.74%––View
GREENBRIER COS INC393657AM3NOTE 2.875% 4/1–$21.77M0.73%–––
DXCMDEXCOM INCNOTE 0.375% 5/1–$20.92M0.70%––View
UPSTART HLDGS INC91680MAF4NOTE 1.000%11/1–$20.63M0.69%–––
MQYBLACKROCK MUNIYILD QULT FD ICOM1,594,019$18.49M0.62%00.0%UnchangedView
SHIFT4 PMTS INC82452JAD1NOTE 0.500% 8/0–$18.29M0.61%–––
ARES MANAGEMENT CORPORATION03990B3096.75 SE B PFD479,735$18.11M0.61%−299−0.1%Reduced–
ALNYALNYLAM PHARMACEUTICALS INCNOTE 1.000% 9/1–$17.87M0.60%––View
WELLS FARGO & CO949746804PERP PFD CNV A14,748$17.11M0.57%−12−0.1%Reduced–
GPORGULFPORT ENERGY CORPCOMMON SHARES97,512$16.55M0.55%−1,080−1.1%ReducedView
NTNXNUTANIX INCNOTE 0.500%12/1–$16.34M0.55%––View
WKWORKIVA INCNOTE 1.250% 8/1–$15.54M0.52%––View
RBRKRUBRIK INC.NOTE 6/1–$15.17M0.51%–NewView
TALOTALOS ENERGY INCCOM1,163,908$15.03M0.50%−165,189−12.4%ReducedView
MGPIMGP INGREDIENTS INC NEWNOTE 1.875%11/1–$13.86M0.46%––View
ADVANCED ENERGY INDS007973AE0NOTE 2.500% 9/1–$13.23M0.44%–––
BILLBILL HOLDINGS INCNOTE 4/0–$13.08M0.44%––View
GOOGNALPHABET INCDEP SHS RP1/20 B250,000$12.6M0.42%+250,000NewView
GLOBAL PMTS INC37940XAU6NOTE 1.500% 3/0–$11.59M0.39%–––
NEXTERA ENERGY INC65339F655UNIT 02/15/2029228,903$10.97M0.37%+228,903New–
MUJBLACKROCK MUNIHLDGS NJ QLTYCOM881,952$10.86M0.36%−265,980−23.2%ReducedView
WBDWARNER BROS DISCOVERY INC COM SER AStock358,060$9.55M0.32%+131,810+58.3%AddedView
LIFE360 INC532206AC3NOTE 6/0–$9.17M0.31%–New–
GHGUARDANT HEALTH INCNOTE 11/1–$8.93M0.30%–NewView
LIVE NATION ENTERTAINMENT IN538034BA6NOTE 3.125% 1/1–$8.33M0.28%–––
SPECTRUM BRANDS INC84762LAZ8NOTE 3.375% 6/0–$8.21M0.27%–––
VERXVERTEX INCNOTE 0.750% 5/0–$8.19M0.27%––View
TDOCTELADOC HEALTH INCNOTE 1.250% 6/0–$7.31M0.25%––View
NETCLOUDFLARE INCNOTE 8/1–$7.24M0.24%––View
MIRMMIRUM PHARMACEUTICALS INCNOTE 4.000% 5/0–$7.2M0.24%––View
WECWEC ENERGY GROUP INCNOTE 4.375% 6/0–$6.4M0.21%––View
SOUTHERN CO842587DZ7NOTE 4.500% 6/1–$6.13M0.21%–––
HALOHALOZYME THERAPEUTICS INCNOTE 0.250% 3/0–$6.01M0.20%––View
OSISOSI SYSTEMS INCNOTE 2.250% 8/0–$5.98M0.20%––View
MIYBLACKROCK MUNIYLD MICH QLTYCOM479,747$5.89M0.20%−179,222−27.2%ReducedView
GLDSPDR GOLD SHARESETF15,336$5.65M0.19%00.0%UnchangedView
FIVNFIVE9 INCNOTE 1.000% 3/1–$5.48M0.18%––View
NTNXNUTANIX INCNOTE 0.250%10/0–$5.16M0.17%––View
MYIBLACKROCK MUNIYIELD QUALITYCOM439,004$4.88M0.16%−87,252−16.6%ReducedView
SOUTHERN CO842587ED5NOTE 3.250% 6/1–$4.87M0.16%–New–
INTEGER HLDGS CORP45826HAB5NOTE 2.125% 2/1–$4.57M0.15%–––
ABRDN NATL MUN INCOME FD SH BEN INT24610T108CEF401,695$4.17M0.14%00.0%Unchanged–
IONSIONIS PHARMACEUTICALS INCNOTE 1.750% 6/1–$3.75M0.13%––View

Sold out since Q1 2026 (16)

Positions held at the end of Q1 2026 that are no longer in this filing.

MACKAY SHIELDS LLC positions sold out since Q1 2026
SecurityClassShares, Q1 2026Value, Q1 2026% of portfolio, Q1 2026
NCL CORP LTD62886HBD2NOTE 1.125% 2/1–$37.98M1.39%
SEAGATE HDD CAYMAN81180WBL4NOTE 3.500% 6/0–$31.54M1.16%
JAZZ INVESTMENTS I LTD472145AF8NOTE 2.000% 6/1–$15.91M0.58%
LUMENTUM HLDGS INC55024UAD1NOTE 0.500%12/1–$15.55M0.57%
CHEESECAKE FACTORY INC163072AA9NOTE 0.375% 6/1–$15.18M0.56%
Q2 HLDGS INC74736LAD1NOTE 0.750% 6/0–$13.23M0.48%
AVAVAEROVIRONMENT INCNOTE 7/1–$12.96M0.48%
NBHNEUBERGER MUN FD INCCOM623,277$6.33M0.23%
NRKNUVEEN NY AMT FREECOM519,880$5.31M0.19%
VGMINVESCO TR INVT GRADE MUNSCOM209,167$2.06M0.08%
VKQINVESCO MUNICIPAL TRUSTCOM208,814$1.99M0.07%
NUVEEN PENNSYLVANIA QLT MUN670972108COM117,934$1.41M0.05%
VMOINVESCO MUN OPPORTUNIT TRCOM126,255$1.2M0.04%
NZFNUVEEN MUN CR INCOME FDCOM SH BEN INT55,659$677.93K0.02%
DUKE ENERGY CORP NEW26441CBY0NOTE 4.125% 4/1–$551.75K0.02%
VKIINVESCO ADVANTAGE MUN INCOMESH BEN INT45,320$392.47K0.01%

13F filings by quarter

MACKAY SHIELDS LLC 13F filings by quarter
QuarterFiledPositionsTotal valueChangesFiling
Q2 2026Jul 28, 2026108$2.99Bvs. Q1 2026SEC
Q1 2026Apr 27, 2026111$2.73Bvs. Q4 2025SEC
Q4 2025Jan 29, 2026132$2.86Bvs. Q3 2025SEC
Q3 2025Oct 27, 2025136$2.94Bvs. Q2 2025SEC
Q2 2025Jul 24, 2025145$3.12Bvs. Q1 2025SEC
Q1 2025Apr 29, 2025144$3.11Bvs. Q4 2024SEC
Q4 2024Feb 4, 2025147$3.39Bvs. Q3 2024SEC
Q3 2024Oct 31, 2024144$3.65Bvs. Q2 2024SEC
Q2 2024Aug 8, 2024139$3.29Bvs. Q1 2024SEC
Q1 2024May 3, 2024140$3.61Bvs. Q4 2023SEC
Q4 2023Feb 2, 2024139$3.43Bvs. Q3 2023SEC
Q3 2023Oct 25, 2023137$3.63Bvs. Q2 2023SEC
Q2 2023Jul 27, 2023147$3.58Bvs. Q1 2023SEC
Q1 2023Apr 27, 2023154$3.64Bvs. Q4 2022SEC
Q4 2022Jan 31, 2023241$3.92Bvs. Q3 2022SEC
Q3 2022Nov 2, 2022241$3.95Bvs. Q2 2022SEC
Q2 2022Aug 3, 2022244$4.12Bvs. Q1 2022SEC
Q1 2022May 13, 2022731$11.38Bvs. Q4 2021SEC
Q4 2021Feb 4, 2022717$12.04Bvs. Q3 2021SEC
Q3 2021Jan 18, 2022Amended711$10.61Bvs. Q2 2021SEC
Q2 2021Aug 13, 2021708$10.64Bvs. Q1 2021SEC
Q1 2021May 14, 20211,497$13.72B–SEC