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Mackay Shields LLC

SEC CIK
0000061227
Latest filing
Jul 28, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Jul 28, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
108
−3 vs. Q1 2026
Portfolio value
$2.99B
+$257.5M (+9.4%) vs. Q1 2026
Filed
Jul 28, 2026
SEC
Holdings of Mackay Shields LLC in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
Western Digital Corp958102AT2NOTE 3.000%11/1–$150.8M5.1%–––
GOOGMAlphabet Inc.DEP SHS RP1/20 A2,427,303$122.6M4.1%+2,427,303NewHistory
MKS Inc55306NAB0NOTE 1.250% 6/0–$107.5M3.6%–––
Lumentum Hldgs Inc55024UAF6NOTE 0.500% 6/1–$84.1M2.8%–––
Lantheus Hldgs Inc516544AB9NOTE 2.625%12/1–$74.0M2.5%–––
HPE.PCHewlett Packard Enterprise Co7.625 MAND CONV601,263$70.2M2.4%−593−0.1%ReducedHistory
Cable One, Inc.12685JAG0NOTE 1.125% 3/1–$58.8M2.0%–––
QXO.PBQXO, Inc.5.50 DEP PFD1,169,488$57.4M1.9%−873−0.1%ReducedHistory
BA.PABoeing CoDEP CONV PFD A828,674$56.2M1.9%−740−0.1%ReducedHistory
Tetra Tech Inc88162GAB9DBCV 2.250% 8/1–$55.3M1.9%–––
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$54.3M1.8%–––
Snowflake Inc.833445AB5NOTE 10/0–$54.2M1.8%–––
Chefs Whse Inc163086AE1NOTE 2.375%12/1–$53.0M1.8%–––
Etsy Inc29786AAJ5NOTE 0.125%10/0–$50.9M1.7%–––
NEE.PSNextera Energy IncUNIT 06/01/2027940,950$50.5M1.7%+468,014+99.0%AddedHistory
PG&E Corp69331CAL2NOTE 4.250%12/0–$47.5M1.6%–––
MCHPPMicrochip Technology IncDEP SHS REPSTG603,491$46.5M1.6%+2,444+0.4%AddedHistory
BTTBlackRock Municipal 2030 Target Term TrustCOM SHS BEN IN1,967,980$44.8M1.5%+401,718+25.6%AddedHistory
Integer Hldgs Corp45826HAD1DBCV 1.875% 3/1–$43.9M1.5%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV713,153$43.5M1.5%−656−0.1%Reduced–
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$42.1M1.4%–––
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$41.7M1.4%–––
Merit Med Sys Inc589889AB0NOTE 3.000% 2/0–$41.1M1.4%–New–
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$40.8M1.4%–––
On Semiconductor Corp682189AS4NOTE 5/0–$40.0M1.3%–––
NINENine Energy Service, Inc.COMMON STOCK3,011,565$39.2M1.3%−54,869−1.8%ReducedHistory
Datadog, Inc.23804LAD5NOTE 12/0–$39.1M1.3%–––
Revolution Medicines, Inc.76155XAA8NOTE 0.500% 5/0–$38.1M1.3%–New–
Freshpet, Inc.358039AB1NOTE 3.000% 4/0–$37.0M1.2%–––
BridgeBio Pharma, Inc.10806XAD4NOTE 2.250% 2/0–$36.9M1.2%–––
iRhythm Holdings, Inc.450056AB2NOTE 1.500% 9/0–$35.9M1.2%–––
Live Nation Entertainment IN538034BC2NOTE 2.875% 1/1–$35.6M1.2%–––
Peloton Interactive, Inc.70614WAD2NOTE 5.500%12/0–$34.9M1.2%–––
Fluor Corp343412AJ1NOTE 1.125% 8/1–$34.7M1.2%–––
Jazz Investments I Ltd472145AH4NOTE 3.125% 9/1–$34.7M1.2%–New–
Northern Oil & Gas, Inc.665531AJ8NOTE 3.625% 4/1–$31.9M1.1%–––
Affirm Hldgs Inc00827BAD8NOTE 0.750%12/1–$31.7M1.1%–––
Cyberark Software Ltd23248VAD7NOTE 6/1–$31.6M1.1%–New–
Cloudflare, Inc.18915MAF4NOTE 6/1–$31.5M1.1%–New–
Unity Software Inc.91332UAH4NOTE 3/1–$30.5M1.0%–––
ORCL.PDOracle Corp6.5 DEP CUM SR D645,801$29.1M1.0%−1,045−0.2%ReducedHistory
Meritage Homes CORP59001ABF8NOTE 1.750% 5/1–$29.0M1.0%–––
Patk703343AG812/01/2028–$28.3M0.9%–––
Liberty Media Corp531229AP7NOTE 3.750% 3/1–$28.1M0.9%–––
Burlington Stores, Inc.122017AD8NOTE 1.250%12/1–$28.0M0.9%–––
Progress Software Corp743312AD2NOTE 3.500% 3/0–$27.5M0.9%–––
Bank of Amer Corp0605056827.25%CNV PFD L20,806$26.1M0.9%−61−0.3%Reduced–
Parsons Corp70202LAD4NOTE 2.625% 3/0–$25.8M0.9%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$25.7M0.9%–––
IAUiShares Gold TrustETF328,020$24.8M0.8%−62,130−15.9%ReducedHistory
Dropbox, Inc.26210CAD6NOTE 3/0–$24.6M0.8%–––
Arrowhead Pharmaceuticals IN04280AAC4NOTE 1/1–$24.5M0.8%–––
DoorDash, Inc.25809KAB1NOTE 5/1–$24.4M0.8%–New–
SYNAPTICS Inc87157DAJ8NOTE 0.750%12/0–$24.0M0.8%–––
Guidewire Software, Inc.40171VAC4NOTE 1.250%11/0–$24.0M0.8%–––
MYNBlackRock Muniyield New York Quality Fund, Inc.COM2,349,687$23.8M0.8%00.0%UnchangedHistory
MHDBlackRock Muniholdings Fund, Inc.COM1,982,355$23.6M0.8%00.0%UnchangedHistory
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$22.1M0.7%–––
Greenbrier Cos Inc393657AM3NOTE 2.875% 4/1–$21.8M0.7%–––
Dexcom Inc252131AM9NOTE 0.375% 5/1–$20.9M0.7%–––
Upstart Hldgs Inc91680MAF4NOTE 1.000%11/1–$20.6M0.7%–––
MQYBlackRock Muniyield Quality Fund, Inc.COM1,594,019$18.5M0.6%00.0%UnchangedHistory
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$18.3M0.6%–––
ARES.PBAres Management Corp6.75 SE B PFD479,735$18.1M0.6%−299−0.1%ReducedHistory
Alnylam Pharmaceuticals, Inc.02043QAB3NOTE 1.000% 9/1–$17.9M0.6%–––
WFC.PLWells Fargo & CompanyPERP PFD CNV A14,748$17.1M0.6%−12−0.1%ReducedHistory
GPORGulfport Energy CorpCOMMON SHARES97,512$16.5M0.6%−1,080−1.1%ReducedHistory
Nutanix, Inc.67059NAK4NOTE 0.500%12/1–$16.3M0.5%–––
Workiva Inc98139AAD7NOTE 1.250% 8/1–$15.5M0.5%–––
Rubrik, Inc.781154AD1NOTE 6/1–$15.2M0.5%–New–
TALOTalos Energy Inc.COM1,163,908$15.0M0.5%−165,189−12.4%ReducedHistory
MGP Ingredients Inc55303JAB2NOTE 1.875%11/1–$13.9M0.5%–––
Advanced Energy Inds007973AE0NOTE 2.500% 9/1–$13.2M0.4%–––
BILL Holdings, Inc.090043AF7NOTE 4/0–$13.1M0.4%–––
GOOGNAlphabet Inc.DEP SHS RP1/20 B250,000$12.6M0.4%+250,000NewHistory
Global PMTS Inc37940XAU6NOTE 1.500% 3/0–$11.6M0.4%–––
NEE.PVNextera Energy IncUNIT 02/15/2029228,903$11.0M0.4%+228,903NewHistory
MUJBlackRock Muniholdings New Jersey Quality Fund, Inc.COM881,952$10.9M0.4%−265,980−23.2%ReducedHistory
WBDWarner Bros. Discovery, Inc.Stock358,060$9.55M0.3%+131,810+58.3%AddedHistory
Life360, Inc.532206AC3NOTE 6/0–$9.17M0.3%–New–
Guardant Health, Inc.40131MAB5NOTE 11/1–$8.93M0.3%–New–
Live Nation Entertainment IN538034BA6NOTE 3.125% 1/1–$8.33M0.3%–––
Spectrum Brands Inc84762LAZ8NOTE 3.375% 6/0–$8.21M0.3%–––
Vertex, Inc.92538JAB2NOTE 0.750% 5/0–$8.19M0.3%–––
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$7.31M0.2%–––
Cloudflare, Inc.18915MAC1NOTE 8/1–$7.24M0.2%–––
Mirum Pharmaceuticals, Inc.604749AB7NOTE 4.000% 5/0–$7.20M0.2%–––
Wec Energy Group, Inc.92939UAR7NOTE 4.375% 6/0–$6.40M0.2%–––
Southern Co842587DZ7NOTE 4.500% 6/1–$6.13M0.2%–––
Halozyme Therapeutics, Inc.40637HAD1NOTE 0.250% 3/0–$6.01M0.2%–––
Osi Systems Inc671044AF2NOTE 2.250% 8/0–$5.98M0.2%–––
MIYBlackRock Muniyield Michigan Quality Fund, Inc.COM479,747$5.89M0.2%−179,222−27.2%ReducedHistory
GLDSPDR Gold TrustETF15,336$5.65M0.2%00.0%UnchangedHistory
Five9, Inc.338307AF8NOTE 1.000% 3/1–$5.48M0.2%–––
Nutanix, Inc.67059NAH1NOTE 0.250%10/0–$5.16M0.2%–––
MYIBlackRock Muniyield Quality Fund III, Inc.COM439,004$4.88M0.2%−87,252−16.6%ReducedHistory
Southern Co842587ED5NOTE 3.250% 6/1–$4.87M0.2%–New–
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$4.57M0.2%–––
VFLabrdn National Municipal Income FundCEF401,695$4.17M0.1%00.0%UnchangedHistory
Ionis Pharmaceuticals Inc462222AF7NOTE 1.750% 6/1–$3.75M0.1%–––

Sold out since Q1 2026 (16)

Positions held at the end of Q1 2026 that are gone from this filing.

Positions of Mackay Shields LLC sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$38.0M1.4%–
Seagate HDD Cayman81180WBL4NOTE 3.500% 6/0–$31.5M1.2%–
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$15.9M0.6%–
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$15.6M0.6%–
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$15.2M0.6%–
Q2 Hldgs Inc74736LAD1NOTE 0.750% 6/0–$13.2M0.5%–
AeroVironment Inc008073AA6NOTE 7/1–$13.0M0.5%–
NBHNeuberger Municipal Fund Inc.COM623,277$6.33M0.2%History
NRKNuveen New York Amt-Free Quality Municipal Income FundCOM519,880$5.31M0.2%History
VGMInvesco Trust for Investment Grade MunicipalsCOM209,167$2.06M0.1%History
VKQInvesco Municipal TrustCOM208,814$1.99M0.1%History
NQPNuveen Pennsylvania Quality Municipal Income FundCOM117,934$1.41M0.1%History
VMOInvesco Municipal Opportunity TrustCOM126,255$1.20M<0.1%History
NZFNuveen Municipal Credit Income FundCOM SH BEN INT55,659$677.9K<0.1%History
Duke Energy CORP26441CBY0NOTE 4.125% 4/1–$551.8K<0.1%–
VKIInvesco Advantage Municipal Income Trust IISH BEN INT45,320$392.5K<0.1%History