Mackay Shields LLC
- SEC CIK
- 0000061227
- Latest filing
- Jul 28, 2026
Holdings in Q4 2025
Holdings as of Dec 31, 2025, filed Jan 29, 2026. Long positions only; changes compare share counts with Q3 2025.
- Positions
- 132
- −4 vs. Q3 2025
- Portfolio value
- $2.86B
- −$82.5M (−2.8%) vs. Q3 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| Western Digital Corp958102AT2 | NOTE 3.000%11/1 | – | $86.6M | 3.0% | – | – | – |
| Lumentum Hldgs Inc55024UAF6 | NOTE 0.500% 6/1 | – | $85.3M | 3.0% | – | – | – |
| Advanced Energy Inds007973AE0 | NOTE 2.500% 9/1 | – | $73.3M | 2.6% | – | – | – |
| Mirum Pharmaceuticals, Inc.604749AB7 | NOTE 4.000% 5/0 | – | $66.0M | 2.3% | – | – | – |
| Lantheus Hldgs Inc516544AB9 | NOTE 2.625%12/1 | – | $65.1M | 2.3% | – | – | – |
| QXO.PBQXO, Inc. | 5.50 DEP PFD | 1,171,159 | $65.0M | 2.3% | −14,926−1.3% | Reduced | History |
| Tetra Tech Inc88162GAB9 | DBCV 2.250% 8/1 | – | $64.8M | 2.3% | – | – | – |
| BA.PABoeing Co | DEP CONV PFD A | 830,097 | $57.7M | 2.0% | −11,884−1.4% | Reduced | History |
| Cable One, Inc.12685JAG0 | NOTE 1.125% 3/1 | – | $56.7M | 2.0% | – | – | – |
| Uber Technologies, Inc90353TAM2 | NOTE 0.875%12/0 | – | $55.4M | 1.9% | – | – | – |
| Apollo Global Mgmt Inc03769M304 | SER A MAND CNV | 714,292 | $53.9M | 1.9% | −7,555−1.0% | Reduced | – |
| Post Hldgs Inc737446AT1 | NOTE 2.500% 8/1 | – | $53.4M | 1.9% | – | – | – |
| PG&E Corp69331CAL2 | NOTE 4.250%12/0 | – | $53.0M | 1.9% | – | – | – |
| On Semiconductor Corp682189AS4 | NOTE 5/0 | – | $47.0M | 1.6% | – | – | – |
| MKS Inc55306NAB0 | NOTE 1.250% 6/0 | – | $46.7M | 1.6% | – | – | – |
| iRhythm Holdings, Inc.450056AB2 | NOTE 1.500% 9/0 | – | $45.7M | 1.6% | – | – | – |
| Seagate HDD Cayman81180WBL4 | NOTE 3.500% 6/0 | – | $44.7M | 1.6% | – | – | – |
| Snowflake Inc.833445AB5 | NOTE 10/0 | – | $44.4M | 1.6% | – | – | – |
| Liberty Media Corp531229AQ5 | NOTE 2.250% 8/1 | – | $43.1M | 1.5% | – | – | – |
| HPE.PCHewlett Packard Enterprise Co | 7.625 MAND CONV | 597,863 | $39.6M | 1.4% | −7,315−1.2% | Reduced | History |
| NCL Corp Ltd62886HBD2 | NOTE 1.125% 2/1 | – | $38.9M | 1.4% | – | – | – |
| IAUiShares Gold Trust | ETF | 475,000 | $38.6M | 1.3% | −50,000−9.5% | Reduced | History |
| SHIFT4 PMTS Inc82452JAD1 | NOTE 0.500% 8/0 | – | $38.1M | 1.3% | – | – | – |
| Etsy Inc29786AAJ5 | NOTE 0.125%10/0 | – | $37.5M | 1.3% | – | – | – |
| Chefs Whse Inc163086AE1 | NOTE 2.375%12/1 | – | $36.2M | 1.3% | – | – | – |
| Patk703343AG8 | 12/01/2028 | – | $36.0M | 1.3% | – | – | – |
| Meritage Homes CORP59001ABF8 | NOTE 1.750% 5/1 | – | $35.9M | 1.3% | – | – | – |
| MCHPPMicrochip Technology Inc | DEP SHS REPSTG | 601,474 | $35.1M | 1.2% | −7,689−1.3% | Reduced | History |
| Akamai Technologies Inc00971TAL5 | NOTE 0.375% 9/0 | – | $34.0M | 1.2% | – | – | – |
| Dexcom Inc252131AM9 | NOTE 0.375% 5/1 | – | $34.0M | 1.2% | – | – | – |
| Datadog, Inc.23804LAD5 | NOTE 12/0 | – | $33.8M | 1.2% | – | New | – |
| Biomarin Pharmaceutical Inc09061GAK7 | NOTE 1.250% 5/1 | – | $33.3M | 1.2% | – | – | – |
| TALOTalos Energy Inc. | COM | 3,008,435 | $33.2M | 1.2% | −90,000−2.9% | Reduced | History |
| BridgeBio Pharma, Inc.10806XAD4 | NOTE 2.250% 2/0 | – | $32.3M | 1.1% | – | – | – |
| Ford MTR Co Del345370CZ1 | NOTE 3/1 | – | $31.3M | 1.1% | – | – | – |
| Live Nation Entertainment IN538034BC2 | NOTE 2.875% 1/1 | – | $31.3M | 1.1% | – | New | – |
| BTTBlackRock Municipal 2030 Target Term Trust | COM SHS BEN IN | 1,364,127 | $31.1M | 1.1% | −55,767−3.9% | Reduced | History |
| Tyler Tex Indpt SCH Dist902252AB1 | NOTE 0.250% 3/1 | – | $30.7M | 1.1% | – | – | – |
| Burlington Stores, Inc.122017AD8 | NOTE 1.250%12/1 | – | $30.3M | 1.1% | – | – | – |
| Fluor Corp343412AJ1 | NOTE 1.125% 8/1 | – | $30.0M | 1.1% | – | – | – |
| Liberty Media Corp531229AP7 | NOTE 3.750% 3/1 | – | $29.8M | 1.0% | – | – | – |
| Progress Software Corp743312AD2 | NOTE 3.500% 3/0 | – | $29.0M | 1.0% | – | – | – |
| Northern Oil & Gas, Inc.665531AJ8 | NOTE 3.625% 4/1 | – | $29.0M | 1.0% | – | – | – |
| Nutanix, Inc.67059NAK4 | NOTE 0.500%12/1 | – | $28.6M | 1.0% | – | New | – |
| Guidewire Software, Inc.40171VAC4 | NOTE 1.250%11/0 | – | $27.7M | 1.0% | – | New | – |
| Parsons Corp70202LAD4 | NOTE 2.625% 3/0 | – | $26.9M | 0.9% | – | – | – |
| Affirm Hldgs Inc00827BAD8 | NOTE 0.750%12/1 | – | $26.9M | 0.9% | – | New | – |
| Bank of Amer Corp060505682 | 7.25%CNV PFD L | 20,927 | $26.2M | 0.9% | +3,343+19.0% | Added | – |
| Q2 Hldgs Inc74736LAD1 | NOTE 0.750% 6/0 | – | $25.9M | 0.9% | – | – | – |
| MHDBlackRock Muniholdings Fund, Inc. | COM | 2,166,270 | $25.4M | 0.9% | 00.0% | Unchanged | History |
| Freshpet, Inc.358039AB1 | NOTE 3.000% 4/0 | – | $25.0M | 0.9% | – | – | – |
| Cable One, Inc.12685JAE5 | NOTE 3/1 | – | $24.7M | 0.9% | – | – | – |
| Dropbox, Inc.26210CAD6 | NOTE 3/0 | – | $24.6M | 0.9% | – | – | – |
| NEE.PSNextera Energy Inc | UNIT 06/01/2027 | 463,345 | $24.0M | 0.8% | −2,126−0.5% | Reduced | History |
| ARES.PBAres Management Corp | 6.75 SE B PFD | 473,045 | $23.9M | 0.8% | −7,860−1.6% | Reduced | History |
| Rivian Automotive, Inc.76954AAB9 | NOTE 4.625% 3/1 | – | $23.4M | 0.8% | – | – | – |
| GPORGulfport Energy Corp | COMMON SHARES | 108,592 | $22.6M | 0.8% | −22,364−17.1% | Reduced | History |
| Upstart Hldgs Inc91680MAF4 | NOTE 1.000%11/1 | – | $22.1M | 0.8% | – | New | – |
| Alnylam Pharmaceuticals, Inc.02043QAB3 | NOTE 1.000% 9/1 | – | $21.8M | 0.8% | – | – | – |
| Greenbrier Cos Inc393657AM3 | NOTE 2.875% 4/1 | – | $20.5M | 0.7% | – | – | – |
| WFC.PLWells Fargo & Company | PERP PFD CNV A | 14,770 | $18.0M | 0.6% | −634−4.1% | Reduced | History |
| Lumentum Hldgs Inc55024UAD1 | NOTE 0.500%12/1 | – | $17.8M | 0.6% | – | – | – |
| Vertex, Inc.92538JAB2 | NOTE 0.750% 5/0 | – | $17.2M | 0.6% | – | – | – |
| SYNAPTICS Inc87157DAJ8 | NOTE 0.750%12/0 | – | $17.1M | 0.6% | – | New | – |
| Workiva Inc98139AAD7 | NOTE 1.250% 8/1 | – | $16.7M | 0.6% | – | – | – |
| Ionis Pharmaceuticals Inc462222AF7 | NOTE 1.750% 6/1 | – | $16.6M | 0.6% | – | – | – |
| Impinj Inc453204AD1 | NOTE 1.125% 5/1 | – | $16.1M | 0.6% | – | – | – |
| Global PMTS Inc37940XAU6 | NOTE 1.500% 3/0 | – | $15.8M | 0.6% | – | – | – |
| Cheesecake Factory Inc163072AA9 | NOTE 0.375% 6/1 | – | $15.3M | 0.5% | – | – | – |
| Jazz Investments I Ltd472145AF8 | NOTE 2.000% 6/1 | – | $15.2M | 0.5% | – | – | – |
| MUJBlackRock Muniholdings New Jersey Quality Fund, Inc. | COM | 1,232,873 | $14.7M | 0.5% | 00.0% | Unchanged | History |
| Teladoc Health, Inc.87918AAF2 | NOTE 1.250% 6/0 | – | $14.5M | 0.5% | – | – | – |
| BILL Holdings, Inc.090043AF7 | NOTE 4/0 | – | $13.9M | 0.5% | – | New | – |
| MGP Ingredients Inc55303JAB2 | NOTE 1.875%11/1 | – | $13.8M | 0.5% | – | – | – |
| NBHNeuberger Municipal Fund Inc. | COM | 1,233,578 | $12.5M | 0.4% | 00.0% | Unchanged | History |
| MHNBlackRock Muniholdings New York Quality Fund, Inc. | COM | 1,191,469 | $12.2M | 0.4% | 00.0% | Unchanged | History |
| Rapid7, Inc.753422AH7 | NOTE 1.250% 3/1 | – | $11.7M | 0.4% | – | – | – |
| MYNBlackRock Muniyield New York Quality Fund, Inc. | COM | 1,174,171 | $11.6M | 0.4% | 00.0% | Unchanged | History |
| Five9, Inc.338307AF8 | NOTE 1.000% 3/1 | – | $11.6M | 0.4% | – | – | – |
| AeroVironment Inc008073AA6 | NOTE 7/1 | – | $11.1M | 0.4% | – | – | – |
| MUCBlackRock Muniholdings California Quality Fund, Inc. | CEF | 981,326 | $10.4M | 0.4% | 00.0% | Unchanged | History |
| MQTBlackRock Muniyield Quality Fund II, Inc. | COM | 1,008,573 | $10.1M | 0.4% | −18,232−1.8% | Reduced | History |
| Haemonetics Corp Mass405024AB6 | NOTE 3/0 | – | $8.41M | 0.3% | – | – | – |
| BFKBlackRock Municipal Income Trust | SH BEN INT | 833,784 | $8.36M | 0.3% | 00.0% | Unchanged | History |
| MVFBlackRock Munivest Fund, Inc. | COM | 1,192,311 | $8.26M | 0.3% | −31,554−2.6% | Reduced | History |
| Amphastar Pharmaceuticals IN03209RAB9 | NOTE 2.000% 3/1 | – | $8.10M | 0.3% | – | – | – |
| MIYBlackRock Muniyield Michigan Quality Fund, Inc. | COM | 664,819 | $7.80M | 0.3% | 00.0% | Unchanged | History |
| Spectrum Brands Inc84762LAZ8 | NOTE 3.375% 6/0 | – | $7.45M | 0.3% | – | – | – |
| MYDBlackRock Muniyield Fund, Inc. | COM | 697,362 | $7.32M | 0.3% | −14,761−2.1% | Reduced | History |
| Live Nation Entertainment IN538034BA6 | NOTE 3.125% 1/1 | – | $6.96M | 0.2% | – | – | – |
| Expedia Group, Inc.30212PBE4 | NOTE 2/1 | – | $6.86M | 0.2% | – | – | – |
| Cloudflare, Inc.18915MAC1 | NOTE 8/1 | – | $6.71M | 0.2% | – | – | – |
| Osi Systems Inc671044AF2 | NOTE 2.250% 8/0 | – | $6.71M | 0.2% | – | – | – |
| CONMED Corp207410AH4 | NOTE 2.250% 6/1 | – | $6.69M | 0.2% | – | – | – |
| WBDWarner Bros. Discovery, Inc. | Stock | 226,250 | $6.52M | 0.2% | −173,750−43.4% | Reduced | History |
| NRKNuveen New York Amt-Free Quality Municipal Income Fund | COM | 641,105 | $6.47M | 0.2% | −156,530−19.6% | Reduced | History |
| Wec Energy Group, Inc.92939UAR7 | NOTE 4.375% 6/0 | – | $6.22M | 0.2% | – | – | – |
| GLDSPDR Gold Trust | ETF | 15,336 | $6.08M | 0.2% | 00.0% | Unchanged | History |
| Southern Co842587DZ7 | NOTE 4.500% 6/1 | – | $5.97M | 0.2% | – | – | – |
| Halozyme Therapeutics, Inc.40637HAD1 | NOTE 0.250% 3/0 | – | $5.65M | 0.2% | – | – | – |
Sold out since Q3 2025 (14)
Positions held at the end of Q3 2025 that are gone from this filing.
| Security | Class | Shares in Q3 2025 | Value in Q3 2025 | % of portfolio in Q3 2025 | History |
|---|---|---|---|---|---|
| Lumentum Hldgs Inc55024UAH2 | NOTE 1.500%12/1 | – | $21.9M | 0.7% | – |
| NEANuveen AMT-Free Quality Municipal Income Fund | COM | 1,801,320 | $20.5M | 0.7% | History |
| NVGNuveen AMT-Free Municipal Credit Income Fund | CEF | 1,165,469 | $14.3M | 0.5% | History |
| NADNuveen Quality Municipal Income Fund | COM | 1,058,093 | $12.4M | 0.4% | History |
| NACNuveen California Quality Municipal Income Fund | COM | 511,343 | $5.88M | 0.2% | History |
| SHIFT4 PMTS Inc82452JAB5 | NOTE 12/1 | – | $4.90M | 0.2% | – |
| Pebblebrook Hotel Tr70509VAA8 | NOTE 1.750%12/1 | – | $4.85M | 0.2% | – |
| VODVodafone Group Public Ltd Co | ADR | 371,152 | $4.31M | 0.1% | History |
| ENXEaton Vance New York Municipal Bond Fund | COM | 421,971 | $4.16M | 0.1% | History |
| Exact Sciences Corp30063PAC9 | NOTE 0.375% 3/0 | – | $3.73M | 0.1% | – |
| IQIInvesco Quality Municipal Income Trust | COM | 94,994 | $935.7K | <0.1% | History |
| Southern Co842587DP9 | NOTE 3.875%12/1 | – | $738.0K | <0.1% | – |
| Bill Com Hldgs Inc090043AB6 | NOTE 12/0 | – | $73.8K | <0.1% | – |
| NINENine Energy Service, Inc. | COM | 116,342 | $73.5K | <0.1% | History |