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Mackay Shields LLC

SEC CIK
0000061227
Latest filing
Jul 28, 2026

Holdings in Q3 2023

Holdings as of Sep 30, 2023, filed Oct 25, 2023. Long positions only; changes compare share counts with Q2 2023.

Institution overview
Positions
137
−10 vs. Q2 2023
Portfolio value
$3.63B
+$58.0M (+1.6%) vs. Q2 2023
Filed
Oct 25, 2023
SEC
Holdings of Mackay Shields LLC in Q3 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
GPORGulfport Energy CorpCOMMON SHARES1,433,241$186.4M5.1%−169,829−10.6%ReducedHistory
Helix Energy Solutions Grp I42330PAK3NOTE 6.750% 2/1–$109.3M3.0%–––
EQT Corp26884LAK5NOTE 1.750% 5/0–$100.5M2.8%–––
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$98.1M2.7%–––
NICE Ltd.653656AB4NOTE 9/1–$95.2M2.6%–––
DISH Network CORP25470MAD1NOTE 2.375% 3/1–$90.9M2.5%–––
Centennial Resource Dev Inc15136AAA0NOTE 3.250% 4/0–$84.8M2.3%–––
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$79.9M2.2%–––
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$77.5M2.1%–New–
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$74.9M2.1%–––
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$69.3M1.9%–New–
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$66.9M1.8%–––
Ford MTR Co Del345370CZ1NOTE 3/1–$66.8M1.8%–––
Oil STS Intl Inc678026AK1NOTE 4.750% 4/0–$63.6M1.7%–––
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$61.9M1.7%–––
Vail Resorts Inc91879QAN9NOTE 1/0–$60.7M1.7%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,102,499$60.6M1.7%+1,102,499New–
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$60.4M1.7%–––
MGP Ingredients Inc55303JAB2NOTE 1.875%11/1–$59.7M1.6%–––
TALOTalos Energy Inc.COM3,152,973$58.8M1.6%00.0%UnchangedHistory
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$56.4M1.6%–New–
CONMED Corp207410AH4NOTE 2.250% 6/1–$52.1M1.4%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$50.1M1.4%–––
Chart Inds Inc16115QAE0NOTE 1.000%11/1–$48.8M1.3%–––
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$46.4M1.3%–––
Splunk Inc848637AD6NOTE 1.125% 9/1–$45.6M1.3%–––
Exact Sciences Corp30063PAC9NOTE 0.375% 3/0–$43.6M1.2%–––
Zillow Group, Inc.98954MAH4NOTE 2.750% 5/1–$43.2M1.2%–––
Square Inc852234AF0NOTE 0.125% 3/0–$42.1M1.2%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$41.3M1.1%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$40.9M1.1%–––
Patk703343AG812/01/2028–$40.9M1.1%–––
DISH Network CORP25470MAB5NOTE 3.375% 8/1–$40.7M1.1%–––
Etsy Inc29786AAN6NOTE 0.250% 6/1–$40.6M1.1%–––
DHRDanaher CorpStock150,217$38.5M1.1%00.0%UnchangedHistory
Dexcom Inc252131AK3NOTE 0.250%11/1–$38.2M1.1%–––
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$35.7M1.0%–––
Forum Energy Technologies IN34984VAC4NOTE 9.000% 8/0–$34.8M1.0%–––
Enphase Energy, Inc.29355AAH0NOTE 3/0–$34.8M1.0%–––
Chart Inds Inc16115Q4076.75DP CNV PFD B491,940$34.1M0.9%−2,916−0.6%Reduced–
Bank of Amer Corp0605056827.25%CNV PFD L31,708$33.9M0.9%−366−1.1%Reduced–
IAUiShares Gold TrustETF929,500$32.5M0.9%00.0%UnchangedHistory
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$31.8M0.9%–––
Viavi Solutions Inc.925550AB1NOTE 1.000% 3/0–$31.6M0.9%–––
WFC.PLWells Fargo & CompanyPERP PFD CNV A29,075$31.5M0.9%−309−1.1%ReducedHistory
Pacira BioSciences, Inc.695127AF7NOTE 0.750% 8/0–$31.4M0.9%–––
FLRFluor CorpStock848,588$31.1M0.9%+848,588NewHistory
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$30.3M0.8%–New–
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$30.2M0.8%–––
Uber Technologies, Inc90353TAJ9NOTE 12/1–$28.0M0.8%–––
Nuvasive Inc670704AJ4NOTE 0.375% 3/1–$27.7M0.8%–––
BTTBlackRock Municipal 2030 Target Term TrustCOM SHS BEN IN1,401,701$26.6M0.7%00.0%UnchangedHistory
Array Technologies, Inc.04271TAB6NOTE 1.000%12/0–$25.9M0.7%–––
Haemonetics Corp Mass405024AB6NOTE 3/0–$25.8M0.7%–––
Nextera Energy Inc65339F713UNIT 09/01/2025662,773$25.0M0.7%−52,853−7.4%Reduced–
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$25.0M0.7%–––
Ionis Pharmaceuticals Inc462222AD2NOTE 4/0–$24.1M0.7%–––
Integra Lifesciences Hldgs C457985AM1NOTE 0.500% 8/1–$23.9M0.7%–––
Dropbox, Inc.26210CAD6NOTE 3/0–$23.5M0.6%–––
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$23.4M0.6%–––
AES Corp00130H204UNIT 99/99/9999371,067$22.7M0.6%−15,277−4.0%Reduced–
FETForum Energy Technologies, Inc.COM995,195$22.7M0.6%−66,426−6.3%ReducedHistory
Summit Hotel Pptys Inc866082AA8NOTE 1.500% 2/1–$22.6M0.6%–––
Euronet Worldwide, Inc.298736AL3NOTE 0.750% 3/1–$21.9M0.6%–––
Alnylam Pharmaceuticals, Inc.02043QAB3NOTE 1.000% 9/1–$21.5M0.6%–New–
Wolfspeed, Inc.977852AB8NOTE 0.250% 2/1–$18.4M0.5%–––
Snap Inc83304AAH9NOTE 0.125% 3/0–$17.6M0.5%–––
Omnicell Com68213NAD1NOTE 0.250% 9/1–$17.6M0.5%–––
Greenbrier Cos Inc393657AM3NOTE 2.875% 4/1–$17.5M0.5%–––
CHRDChord Energy CorpCOM NEW104,696$17.0M0.5%−11,052−9.5%ReducedHistory
Ziff Davis, Inc.48123VAE2NOTE 1.750%11/0–$16.3M0.4%–New–
BridgeBio Pharma, Inc.10806XAB8NOTE 2.500% 3/1–$16.2M0.4%–––
Snap Inc83304AAF3NOTE 5/0–$16.1M0.4%–––
KOSKosmos Energy Ltd.COM1,503,656$15.6M0.4%00.0%UnchangedHistory
NCL Corp Ltd62886HAX9NOTE 5.375% 8/0–$15.4M0.4%–––
American Airls Group Inc02376RAF9NOTE 6.500% 7/0–$14.9M0.4%–––
Solaredge Technologies, Inc.83417MAD6NOTE 9/1–$14.9M0.4%–––
Ares Capital Corp04010LAW3NOTE 4.625% 3/0–$13.3M0.4%–––
Okta, Inc.679295AD7NOTE 0.125% 9/0–$13.0M0.4%–––
Parsons Corp70202LAB8NOTE 0.250% 8/1–$11.2M0.3%–––
Pebblebrook Hotel Tr70509VAA8NOTE 1.750%12/1–$11.0M0.3%–––
Infinera Corp45667GAE3NOTE 2.500% 3/0–$10.2M0.3%–––
Bill Com Hldgs Inc090043AB6NOTE 12/0–$10.2M0.3%–––
Cable One, Inc.12685JAE5NOTE 3/1–$9.84M0.3%–––
MUJBlackRock Muniholdings New Jersey Quality Fund, Inc.COM1,003,043$9.83M0.3%00.0%UnchangedHistory
Biomarin Pharmaceutical Inc09061GAH4NOTE 0.599% 8/0–$9.59M0.3%–––
GLDSPDR Gold TrustETF55,336$9.49M0.3%00.0%UnchangedHistory
MHNBlackRock Muniholdings New York Quality Fund, Inc.COM1,111,764$9.44M0.3%00.0%UnchangedHistory
NEANuveen AMT-Free Quality Municipal Income FundCOM930,320$9.01M0.2%00.0%UnchangedHistory
Impinj Inc453204AD1NOTE 1.125% 5/1–$8.31M0.2%–––
MQTBlackRock Muniyield Quality Fund II, Inc.COM992,093$8.29M0.2%00.0%UnchangedHistory
InterDigital, Inc.45867GAB7NOTE 2.000% 6/0–$7.86M0.2%–––
Dropbox, Inc.26210CAC8NOTE 3/0–$7.38M0.2%–––
Bentley Sys Inc08265TAB5NOTE 0.125% 1/1–$7.36M0.2%–––
JetBlue Airways Corp477143AP6NOTE 0.500% 4/0–$7.24M0.2%–––
Q2 Hldgs Inc74736LAD1NOTE 0.750% 6/0–$6.80M0.2%–––
MHDBlackRock Muniholdings Fund, Inc.COM638,616$6.39M0.2%00.0%UnchangedHistory
Cable One, Inc.12685JAG0NOTE 1.125% 3/1–$6.34M0.2%–––
MIYBlackRock Muniyield Michigan Quality Fund, Inc.COM664,819$6.33M0.2%00.0%UnchangedHistory
NCL Corp Ltd62886HAT8NOTE 6.000% 5/1–$6.07M0.2%–––

Sold out since Q2 2023 (19)

Positions held at the end of Q2 2023 that are gone from this filing.

Positions of Mackay Shields LLC sold out since Q2 2023
SecurityClassShares in Q2 2023Value in Q2 2023% of portfolio in Q2 2023History
PG&E Corp69331C140UNIT 99/99/9999403,751$60.5M1.7%–
NICENICE Ltd.SPONSORED ADR286,433$59.1M1.7%History
KKR and Co Inc 6 McOnv PFD C48251W401CONVERTIBLE PREFERRED STOCK608,607$40.3M1.1%–
Illumina, Inc.452327AK5NOTE 8/1–$39.2M1.1%–
Guardant Health, Inc.40131MAB5NOTE 11/1–$11.0M0.3%–
Digitalocean Hldgs Inc25402DAB8NOTE 12/0–$10.3M0.3%–
CONMED Corp207410AF8NOTE 2.625% 2/0–$9.26M0.3%–
Alarm Com Hldgs Inc011642AB1NOTE 1/1–$6.24M0.2%–
Snap Inc83304AAB2NOTE 0.750% 8/0–$2.54M0.1%–
Granite PT Mtg Tr Inc38741LAC1NOTE 6.375%10/0–$601.8K<0.1%–
Coinbase Global, Inc.19260QAB3NOTE 0.500% 6/0–$351.0K<0.1%–
Global X FDS37954Y483NASDAQ 100 COVER19,046$338.1K<0.1%–
AWFAlliancebernstein Global High Income Fund IncCOM27,416$273.1K<0.1%History
DSLDoubleLine Income Solutions FundCOM21,256$253.2K<0.1%History
JQCNuveen Credit Strategies Income FundCOM SHS49,712$251.0K<0.1%History
GHYPGIM Global High Yield Fund, Inc.COM22,844$250.6K<0.1%History
BTZBlackRock Credit Allocation Income TrustCOM24,340$247.1K<0.1%History
PIMCO ETF Tr72201R88225YR+ ZERO U S2,310$212.6K<0.1%–
Halozyme Therapeutics, Inc.40637HAD1NOTE 0.250% 3/0–$31.8K<0.1%–