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Mackay Shields LLC

SEC CIK
0000061227
Latest filing
Jul 28, 2026

Holdings in Q4 2024

Holdings as of Dec 31, 2024, filed Feb 4, 2025. Long positions only; changes compare share counts with Q3 2024.

Institution overview
Positions
147
+3 vs. Q3 2024
Portfolio value
$3.39B
−$256.4M (−7.0%) vs. Q3 2024
Filed
Feb 4, 2025
SEC
Holdings of Mackay Shields LLC in Q4 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
Liberty Media Corp531229AP7NOTE 3.750% 3/1–$30.9M0.9%–––
Enphase Energy, Inc.29355AAH0NOTE 3/0–$31.3M0.9%–––
TransMedics Group, Inc.89377MAB5NOTE 1.500% 6/0–$32.5M1.0%–––
WFC.PLWells Fargo & CompanyPERP PFD CNV A28,119$33.5M1.0%−281−1.0%ReducedHistory
IAUiShares Gold TrustETF690,000$34.2M1.0%−239,500−25.8%ReducedHistory
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$36.3M1.1%–––
Seagate HDD Cayman81180WBL4NOTE 3.500% 6/0–$36.3M1.1%–––
Bank of Amer Corp0605056827.25%CNV PFD L29,964$36.4M1.1%−512−1.7%Reduced–
Etsy Inc29786AAJ5NOTE 0.125%10/0–$36.4M1.1%–––
NZFNuveen Municipal Credit Income FundCOM SH BEN INT3,047,961$37.1M1.1%−40,936−1.3%ReducedHistory
Tyler Tex Indpt SCH Dist902252AB1NOTE 0.250% 3/1–$37.6M1.1%–––
Amphastar Pharmaceuticals IN03209RAB9NOTE 2.000% 3/1–$37.9M1.1%–––
Northern Oil & Gas, Inc.665531AJ8NOTE 3.625% 4/1–$38.1M1.1%–––
Centennial Resource Dev Inc15136AAA0NOTE 3.250% 4/0–$38.2M1.1%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$38.2M1.1%–––
BA.PABoeing CoDEP CONV PFD A627,351$38.6M1.1%+627,351NewHistory
Dexcom Inc252131AK3NOTE 0.250%11/1–$39.0M1.2%–––
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$39.4M1.2%–––
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$42.0M1.2%–New–
Mirum Pharmaceuticals, Inc.604749AB7NOTE 4.000% 5/0–$42.8M1.3%–––
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$42.9M1.3%–––
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$43.2M1.3%–New–
MGP Ingredients Inc55303JAB2NOTE 1.875%11/1–$43.5M1.3%–––
Advanced Energy Inds007973AE0NOTE 2.500% 9/1–$43.9M1.3%–––
Cable One, Inc.12685JAG0NOTE 1.125% 3/1–$44.4M1.3%–––
NEANuveen AMT-Free Quality Municipal Income FundCOM4,041,001$45.6M1.3%+36,981+0.9%AddedHistory
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$46.9M1.4%–––
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$47.7M1.4%–––
Nutanix, Inc.67059NAH1NOTE 0.250%10/0–$50.0M1.5%–––
Nextera Energy Inc65339F713UNIT 09/01/20251,216,811$50.2M1.5%−21,059−1.7%Reduced–
CONMED Corp207410AH4NOTE 2.250% 6/1–$50.8M1.5%–––
Chefs Whse Inc163086AE1NOTE 2.375%12/1–$50.9M1.5%–––
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$51.1M1.5%–––
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$53.2M1.6%–––
Ford MTR Co Del345370CZ1NOTE 3/1–$56.8M1.7%–––
Patk703343AG812/01/2028–$57.2M1.7%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$57.5M1.7%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$59.0M1.7%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV733,576$64.0M1.9%−6,505−0.9%Reduced–
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$64.7M1.9%–––
NICE Ltd.653656AB4NOTE 9/1–$65.9M1.9%–––
PG&E Corp69331CAL2NOTE 4.250%12/0–$66.4M2.0%–New–
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$67.9M2.0%–––
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$69.3M2.0%–––
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$73.3M2.2%–––
Lantheus Hldgs Inc516544AB9NOTE 2.625%12/1–$74.8M2.2%–––
Tetra Tech Inc88162GAB9DBCV 2.250% 8/1–$75.4M2.2%–––

Sold out since Q3 2024 (8)

Positions held at the end of Q3 2024 that are gone from this filing.

Positions of Mackay Shields LLC sold out since Q3 2024
SecurityClassShares in Q3 2024Value in Q3 2024% of portfolio in Q3 2024History
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$77.4M2.1%–
Zillow Group, Inc.98954MAG6NOTE 1.375% 9/0–$72.6M2.0%–
Envestnet, Inc.29404KAG1NOTE 2.625%12/0–$35.3M1.0%–
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$21.2M0.6%–
Forum Energy Technologies IN34984VAC4NOTE 9.000% 8/0–$17.4M0.5%–
Century Alum Co156431AQ1NOTE 2.750% 5/0–$3.13M0.1%–
ARCCAres Capital CorpCEF28,999$607.2K<0.1%History
Zillow Group, Inc.98954MAH4NOTE 2.750% 5/1–$11.2K<0.1%–