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Mackay Shields LLC

SEC CIK
0000061227
Latest filing
Jul 28, 2026

Holdings in Q1 2024

Holdings as of Mar 31, 2024, filed May 3, 2024. Long positions only; changes compare share counts with Q4 2023.

Institution overview
Positions
140
+1 vs. Q4 2023
Portfolio value
$3.61B
+$180.4M (+5.3%) vs. Q4 2023
Filed
May 3, 2024
SEC
Holdings of Mackay Shields LLC in Q1 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
Nutanix, Inc.67059NAH1NOTE 0.250%10/0–$36.8M1.0%–New–
Enphase Energy, Inc.29355AAH0NOTE 3/0–$36.8M1.0%–––
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$36.8M1.0%–––
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$36.9M1.0%–––
Bank of Amer Corp0605056827.25%CNV PFD L30,936$37.0M1.0%−65−0.2%Reduced–
DHRDanaher CorpStock150,217$37.5M1.0%00.0%UnchangedHistory
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$38.6M1.1%–––
IAUiShares Gold TrustETF929,500$39.0M1.1%00.0%UnchangedHistory
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$39.7M1.1%–––
Etsy Inc29786AAN6NOTE 0.250% 6/1–$42.6M1.2%–––
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$43.0M1.2%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$43.5M1.2%–––
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$43.8M1.2%–––
TALOTalos Energy Inc.COM3,152,973$43.9M1.2%00.0%UnchangedHistory
Zillow Group, Inc.98954MAH4NOTE 2.750% 5/1–$44.4M1.2%–––
Centennial Resource Dev Inc15136AAA0NOTE 3.250% 4/0–$45.0M1.2%–––
Dexcom Inc252131AK3NOTE 0.250%11/1–$45.9M1.3%–––
Square Inc852234AF0NOTE 0.125% 3/0–$46.1M1.3%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV748,146$48.0M1.3%−1,882−0.3%Reduced–
Oil STS Intl Inc678026AK1NOTE 4.750% 4/0–$49.1M1.4%–––
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$49.2M1.4%–New–
Live Nation Entertainment IN538034BA6NOTE 3.125% 1/1–$49.4M1.4%–New–
Nextera Energy Inc65339F713UNIT 09/01/20251,256,003$49.6M1.4%−2,550−0.2%Reduced–
CONMED Corp207410AH4NOTE 2.250% 6/1–$51.3M1.4%–––
MGP Ingredients Inc55303JAB2NOTE 1.875%11/1–$51.9M1.4%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$53.6M1.5%–––
Patk703343AG812/01/2028–$55.8M1.5%–––
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$62.4M1.7%–New–
Vail Resorts Inc91879QAN9NOTE 1/0–$62.6M1.7%–––
Lantheus Hldgs Inc516544AB9NOTE 2.625%12/1–$63.1M1.7%–––
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$64.7M1.8%–––
Exact Sciences Corp30063PAC9NOTE 0.375% 3/0–$69.5M1.9%–––
Ford MTR Co Del345370CZ1NOTE 3/1–$72.5M2.0%–––
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$73.9M2.0%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$75.0M2.1%–––
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$83.0M2.3%–––
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$103.3M2.9%–––
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$103.9M2.9%–––
NICE Ltd.653656AB4NOTE 9/1–$113.4M3.1%–––
GPORGulfport Energy CorpCOMMON SHARES822,621$132.0M3.7%−243,742−22.9%ReducedHistory

Sold out since Q4 2023 (14)

Positions held at the end of Q4 2023 that are gone from this filing.

Positions of Mackay Shields LLC sold out since Q4 2023
SecurityClassShares in Q4 2023Value in Q4 2023% of portfolio in Q4 2023History
DISH Network CORP25470MAD1NOTE 2.375% 3/1–$88.8M2.6%–
Splunk Inc848637AD6NOTE 1.125% 9/1–$43.3M1.3%–
EQT Corp26884LAK5NOTE 1.750% 5/0–$39.8M1.2%–
Viavi Solutions Inc.925550AB1NOTE 1.000% 3/0–$31.8M0.9%–
AES Corp00130H204UNIT 99/99/9999375,335$28.5M0.8%–
BridgeBio Pharma, Inc.10806XAB8NOTE 2.500% 3/1–$17.5M0.5%–
Ares Capital Corp04010LAW3NOTE 4.625% 3/0–$12.3M0.4%–
Parsons Corp70202LAB8NOTE 0.250% 8/1–$11.6M0.3%–
Helix Energy Solutions Grp I42330PAK3NOTE 6.750% 2/1–$10.5M0.3%–
Western Digital Corp958102AP0NOTE 1.500% 2/0–$5.36M0.2%–
Burlington Stores, Inc.122017AB2NOTE 2.250% 4/1–$5.33M0.2%–
State Street SPDR Bloomberg Convertible Securities ETF78464A359ETF65,864$4.75M0.1%–
Workiva Inc98139AAB1NOTE 1.125% 8/1–$165.4K<0.1%–
RingCentral, Inc.76680RAF4NOTE 3/0–$130.9K<0.1%–