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Mackay Shields LLC

SEC CIK
0000061227
Latest filing
Jul 28, 2026

Holdings in Q2 2024

Holdings as of Jun 30, 2024, filed Aug 8, 2024. Long positions only; changes compare share counts with Q1 2024.

Institution overview
Positions
139
−1 vs. Q1 2024
Portfolio value
$3.29B
−$318.2M (−8.8%) vs. Q1 2024
Filed
Aug 8, 2024
SEC
Holdings of Mackay Shields LLC in Q2 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
TransMedics Group, Inc.89377MAB5NOTE 1.500% 6/0–$90.0M2.7%–New–
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$87.6M2.7%–––
NICE Ltd.653656AB4NOTE 9/1–$85.0M2.6%–––
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$82.2M2.5%–––
Lantheus Hldgs Inc516544AB9NOTE 2.625%12/1–$70.5M2.1%–––
Ford MTR Co Del345370CZ1NOTE 3/1–$70.4M2.1%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$69.5M2.1%–––
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$65.6M2.0%–––
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$64.4M2.0%–––
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$63.9M1.9%–––
Zillow Group, Inc.98954MAG6NOTE 1.375% 9/0–$62.5M1.9%–New–
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$61.3M1.9%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$54.8M1.7%–––
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$54.7M1.7%–––
Patk703343AG812/01/2028–$51.8M1.6%–––
Nextera Energy Inc65339F713UNIT 09/01/20251,244,233$51.8M1.6%−11,770−0.9%Reduced–
CONMED Corp207410AH4NOTE 2.250% 6/1–$49.8M1.5%–––
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$49.8M1.5%–––
Nutanix, Inc.67059NAH1NOTE 0.250%10/0–$48.7M1.5%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV739,572$48.6M1.5%−8,574−1.1%Reduced–
MGP Ingredients Inc55303JAB2NOTE 1.875%11/1–$48.6M1.5%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$47.2M1.4%–––
Live Nation Entertainment IN538034BA6NOTE 3.125% 1/1–$45.1M1.4%–––
Chefs Whse Inc163086AE1NOTE 2.375%12/1–$44.6M1.4%–––
NEANuveen AMT-Free Quality Municipal Income FundCOM3,804,020$43.6M1.3%+1,977,705+108.3%AddedHistory
Etsy Inc29786AAN6NOTE 0.250% 6/1–$42.5M1.3%–––
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$42.4M1.3%–––
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$42.1M1.3%–New–
Centennial Resource Dev Inc15136AAA0NOTE 3.250% 4/0–$41.8M1.3%–––
Mirum Pharmaceuticals, Inc.604749AB7NOTE 4.000% 5/0–$41.7M1.3%–New–
Dexcom Inc252131AK3NOTE 0.250%11/1–$41.6M1.3%–––
GPORGulfport Energy CorpCOMMON SHARES274,844$41.5M1.3%−547,777−66.6%ReducedHistory
IAUiShares Gold TrustETF929,500$40.8M1.2%00.0%UnchangedHistory
TALOTalos Energy Inc.COM3,142,973$38.2M1.2%−10,000−0.3%ReducedHistory
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$37.9M1.2%–––
DHRDanaher CorpStock150,217$37.5M1.1%00.0%UnchangedHistory
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$37.5M1.1%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$36.9M1.1%–––
NZFNuveen Municipal Credit Income FundCOM SH BEN INT2,979,726$36.8M1.1%+1,735,448+139.5%AddedHistory
Bank of Amer Corp0605056827.25%CNV PFD L30,455$36.5M1.1%−481−1.6%Reduced–
Enphase Energy, Inc.29355AAH0NOTE 3/0–$36.0M1.1%–––
Envestnet, Inc.29404KAG1NOTE 2.625%12/0–$35.7M1.1%–––
Forum Energy Technologies IN34984VAC4NOTE 9.000% 8/0–$34.4M1.0%–––
Vail Resorts Inc91879QAN9NOTE 1/0–$34.3M1.0%–––
WFC.PLWells Fargo & CompanyPERP PFD CNV A28,491$34.0M1.0%−219−0.8%ReducedHistory
Oil STS Intl Inc678026AK1NOTE 4.750% 4/0–$33.8M1.0%–––
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$33.6M1.0%–––
Northern Oil & Gas, Inc.665531AJ8NOTE 3.625% 4/1–$33.5M1.0%–––
Liberty Media Corp531229AP7NOTE 3.750% 3/1–$31.2M0.9%–––
Ionis Pharmaceuticals Inc462222AD2NOTE 4/0–$31.0M0.9%–––
BTTBlackRock Municipal 2030 Target Term TrustCOM SHS BEN IN1,401,701$29.1M0.9%00.0%UnchangedHistory
NVGNuveen AMT-Free Municipal Credit Income FundCEF2,278,835$28.4M0.9%+1,574,612+223.6%AddedHistory
Cable One, Inc.12685JAG0NOTE 1.125% 3/1–$28.2M0.9%–––
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$26.3M0.8%–––
NADNuveen Quality Municipal Income FundCOM2,185,212$25.7M0.8%+1,828,758+513.0%AddedHistory
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$25.3M0.8%–––
Haemonetics Corp Mass405024AB6NOTE 3/0–$24.8M0.8%–––
NACNuveen California Quality Municipal Income FundCOM2,124,904$24.5M0.7%+1,682,375+380.2%AddedHistory
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$24.4M0.7%–––
Summit Hotel Pptys Inc866082AA8NOTE 1.500% 2/1–$24.1M0.7%–––
Euronet Worldwide, Inc.298736AL3NOTE 0.750% 3/1–$23.8M0.7%–––
Chart Inds Inc16115Q4076.75DP CNV PFD B410,660$23.5M0.7%−3,290−0.8%Reduced–
Dropbox, Inc.26210CAD6NOTE 3/0–$22.5M0.7%–––
MHDBlackRock Muniholdings Fund, Inc.COM1,795,430$21.7M0.7%+440,000+32.5%AddedHistory
Cable One, Inc.12685JAE5NOTE 3/1–$21.6M0.7%–––
Greenbrier Cos Inc393657AM3NOTE 2.875% 4/1–$20.7M0.6%–––
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$20.3M0.6%–––
BridgeBio Pharma, Inc.10806XAD4NOTE 2.250% 2/0–$18.2M0.6%–––
Array Technologies, Inc.04271TAB6NOTE 1.000%12/0–$17.4M0.5%–––
FETForum Energy Technologies, Inc.COM942,040$15.9M0.5%−31,199−3.2%ReducedHistory
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$15.7M0.5%–––
Impinj Inc453204AD1NOTE 1.125% 5/1–$15.5M0.5%–––
Solaredge Technologies, Inc.83417MAD6NOTE 9/1–$15.4M0.5%–––
American Airls Group Inc02376RAF9NOTE 6.500% 7/0–$14.7M0.4%–––
MUJBlackRock Muniholdings New Jersey Quality Fund, Inc.COM1,260,319$14.4M0.4%+117,432+10.3%AddedHistory
Okta, Inc.679295AD7NOTE 0.125% 9/0–$13.1M0.4%–––
Alnylam Pharmaceuticals, Inc.02043QAB3NOTE 1.000% 9/1–$12.8M0.4%–––
MHNBlackRock Muniholdings New York Quality Fund, Inc.COM1,115,776$12.0M0.4%+4,012+0.4%AddedHistory
MVFBlackRock Munivest Fund, Inc.COM1,660,494$11.9M0.4%+638,872+62.5%AddedHistory
Pebblebrook Hotel Tr70509VAA8NOTE 1.750%12/1–$10.9M0.3%–––
VODVodafone Group Public Ltd CoADR1,166,022$10.3M0.3%00.0%UnchangedHistory
GLDSPDR Gold TrustETF47,836$10.3M0.3%−7,500−13.6%ReducedHistory
MQTBlackRock Muniyield Quality Fund II, Inc.COM992,093$10.2M0.3%00.0%UnchangedHistory
MUIBlackRock Municipal Credit Alpha Portfolio, Inc.COM779,528$9.62M0.3%+40,282+5.4%AddedHistory
NRKNuveen New York Amt-Free Quality Municipal Income FundCOM797,635$8.85M0.3%+11,304+1.4%AddedHistory
Nuvasive Inc670704AJ4NOTE 0.375% 3/1–$8.74M0.3%–––
MYNBlackRock Muniyield New York Quality Fund, Inc.COM830,046$8.69M0.3%+15,422+1.9%AddedHistory
Ziff Davis, Inc.48123VAE2NOTE 1.750%11/0–$8.51M0.3%–––
ARCCAres Capital CorpCEF392,848$8.19M0.2%−217,376−35.6%ReducedHistory
Bentley Sys Inc08265TAB5NOTE 0.125% 1/1–$7.97M0.2%–––
Q2 Hldgs Inc74736LAD1NOTE 0.750% 6/0–$7.74M0.2%–––
MIYBlackRock Muniyield Michigan Quality Fund, Inc.COM664,819$7.61M0.2%00.0%UnchangedHistory
MHIPioneer Municipal High Income Fund, Inc.COM SHS796,898$7.28M0.2%+25,013+3.2%AddedHistory
Uber Technologies, Inc90353TAJ9NOTE 12/1–$6.75M0.2%–––
MAVPioneer Municipal High Income Advantage Fund, Inc.COM816,300$6.70M0.2%+63,944+8.5%AddedHistory
Dropbox, Inc.26210CAC8NOTE 3/0–$6.46M0.2%–––
Marriott Vacations Worldwide Corp57164YAD9NOTE 1/1–$6.11M0.2%–––
NCL Corp Ltd62886HAX9NOTE 5.375% 8/0–$5.93M0.2%–––
Integra Lifesciences Hldgs C457985AM1NOTE 0.500% 8/1–$5.77M0.2%–––
BFKBlackRock Municipal Income TrustSH BEN INT551,464$5.63M0.2%+225,238+69.0%AddedHistory

Sold out since Q1 2024 (15)

Positions held at the end of Q1 2024 that are gone from this filing.

Positions of Mackay Shields LLC sold out since Q1 2024
SecurityClassShares in Q1 2024Value in Q1 2024% of portfolio in Q1 2024History
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$103.9M2.9%–
Pacira BioSciences, Inc.695127AF7NOTE 0.750% 8/0–$33.9M0.9%–
Model N, Inc.607525AD4NOTE 1.875% 3/1–$22.5M0.6%–
Snap Inc83304AAH9NOTE 0.125% 3/0–$19.7M0.5%–
Omnicell Com68213NAD1NOTE 0.250% 9/1–$18.9M0.5%–
Snap Inc83304AAF3NOTE 5/0–$17.2M0.5%–
CHRDChord Energy CorpCOM NEW95,748$17.1M0.5%History
Infinera Corp45667GAE3NOTE 2.500% 3/0–$12.2M0.3%–
InterDigital, Inc.45867GAB7NOTE 2.000% 6/0–$10.0M0.3%–
KOSKosmos Energy Ltd.COM1,503,656$8.96M0.2%History
Biomarin Pharmaceutical Inc09061GAH4NOTE 0.599% 8/0–$8.69M0.2%–
NCL Corp Ltd62886HAT8NOTE 6.000% 5/1–$7.22M0.2%–
Sabre GLBL Inc78573NAE2NOTE 4.000% 4/1–$2.92M0.1%–
VSTVistra Corp.Stock13,918$969.4K<0.1%History
Chefs Whse Inc163086AB7NOTE 1.875%12/0–$27.7K<0.1%–