Mackay Shields LLC
- SEC CIK
- 0000061227
- Latest filing
- Jul 28, 2026
Holdings in Q1 2026
Holdings as of Mar 31, 2026, filed Apr 27, 2026. Long positions only; changes compare share counts with Q4 2025.
- Positions
- 111
- −21 vs. Q4 2025
- Portfolio value
- $2.73B
- −$129.9M (−4.5%) vs. Q4 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| Lumentum Hldgs Inc55024UAF6 | NOTE 0.500% 6/1 | – | $143.6M | 5.3% | – | – | – |
| Western Digital Corp958102AT2 | NOTE 3.000%11/1 | – | $110.8M | 4.1% | – | – | – |
| Advanced Energy Inds007973AE0 | NOTE 2.500% 9/1 | – | $95.4M | 3.5% | – | – | – |
| Mirum Pharmaceuticals, Inc.604749AB7 | NOTE 4.000% 5/0 | – | $69.0M | 2.5% | – | – | – |
| QXO.PBQXO, Inc. | 5.50 DEP PFD | 1,170,361 | $65.3M | 2.4% | −798−0.1% | Reduced | History |
| Lantheus Hldgs Inc516544AB9 | NOTE 2.625%12/1 | – | $61.2M | 2.2% | – | – | – |
| MKS Inc55306NAB0 | NOTE 1.250% 6/0 | – | $60.4M | 2.2% | – | – | – |
| Cable One, Inc.12685JAG0 | NOTE 1.125% 3/1 | – | $58.4M | 2.1% | – | – | – |
| Tetra Tech Inc88162GAB9 | DBCV 2.250% 8/1 | – | $57.2M | 2.1% | – | – | – |
| Uber Technologies, Inc90353TAM2 | NOTE 0.875%12/0 | – | $54.6M | 2.0% | – | – | – |
| BA.PABoeing Co | DEP CONV PFD A | 829,414 | $53.9M | 2.0% | −683−0.1% | Reduced | History |
| On Semiconductor Corp682189AS4 | NOTE 5/0 | – | $50.6M | 1.9% | – | – | – |
| PG&E Corp69331CAL2 | NOTE 4.250%12/0 | – | $48.1M | 1.8% | – | – | – |
| Post Hldgs Inc737446AT1 | NOTE 2.500% 8/1 | – | $43.6M | 1.6% | – | – | – |
| Integer Hldgs Corp45826HAD1 | DBCV 1.875% 3/1 | – | $43.3M | 1.6% | – | New | – |
| Apollo Global Mgmt Inc03769M304 | SER A MAND CNV | 713,809 | $42.0M | 1.5% | −483−0.1% | Reduced | – |
| Liberty Media Corp531229AQ5 | NOTE 2.250% 8/1 | – | $39.3M | 1.4% | – | – | – |
| Akamai Technologies Inc00971TAL5 | NOTE 0.375% 9/0 | – | $39.2M | 1.4% | – | – | – |
| HPE.PCHewlett Packard Enterprise Co | 7.625 MAND CONV | 601,856 | $39.0M | 1.4% | +3,993+0.7% | Added | History |
| Snowflake Inc.833445AB5 | NOTE 10/0 | – | $38.5M | 1.4% | – | – | – |
| NCL Corp Ltd62886HBD2 | NOTE 1.125% 2/1 | – | $38.0M | 1.4% | – | – | – |
| BridgeBio Pharma, Inc.10806XAD4 | NOTE 2.250% 2/0 | – | $37.4M | 1.4% | – | – | – |
| Northern Oil & Gas, Inc.665531AJ8 | NOTE 3.625% 4/1 | – | $36.6M | 1.3% | – | – | – |
| Freshpet, Inc.358039AB1 | NOTE 3.000% 4/0 | – | $36.6M | 1.3% | – | – | – |
| iRhythm Holdings, Inc.450056AB2 | NOTE 1.500% 9/0 | – | $35.8M | 1.3% | – | – | – |
| BTTBlackRock Municipal 2030 Target Term Trust | COM SHS BEN IN | 1,566,262 | $35.6M | 1.3% | +202,135+14.8% | Added | History |
| Chefs Whse Inc163086AE1 | NOTE 2.375%12/1 | – | $35.1M | 1.3% | – | – | – |
| IAUiShares Gold Trust | ETF | 390,150 | $34.4M | 1.3% | −84,850−17.9% | Reduced | History |
| MCHPPMicrochip Technology Inc | DEP SHS REPSTG | 601,047 | $34.3M | 1.3% | −427−0.1% | Reduced | History |
| Burlington Stores, Inc.122017AD8 | NOTE 1.250%12/1 | – | $33.7M | 1.2% | – | – | – |
| Patk703343AG8 | 12/01/2028 | – | $33.2M | 1.2% | – | – | – |
| Datadog, Inc.23804LAD5 | NOTE 12/0 | – | $32.8M | 1.2% | – | – | – |
| Fluor Corp343412AJ1 | NOTE 1.125% 8/1 | – | $32.5M | 1.2% | – | – | – |
| Live Nation Entertainment IN538034BC2 | NOTE 2.875% 1/1 | – | $32.1M | 1.2% | – | – | – |
| Etsy Inc29786AAJ5 | NOTE 0.125%10/0 | – | $32.0M | 1.2% | – | – | – |
| Seagate HDD Cayman81180WBL4 | NOTE 3.500% 6/0 | – | $31.5M | 1.2% | – | – | – |
| ORCL.PDOracle Corp | 6.5 DEP CUM SR D | 646,846 | $29.7M | 1.1% | +646,846 | New | History |
| Dexcom Inc252131AM9 | NOTE 0.375% 5/1 | – | $27.6M | 1.0% | – | – | – |
| Meritage Homes CORP59001ABF8 | NOTE 1.750% 5/1 | – | $27.2M | 1.0% | – | – | – |
| Unity Software Inc.91332UAH4 | NOTE 3/1 | – | $26.8M | 1.0% | – | New | – |
| Nutanix, Inc.67059NAK4 | NOTE 0.500%12/1 | – | $26.8M | 1.0% | – | – | – |
| NEE.PSNextera Energy Inc | UNIT 06/01/2027 | 472,936 | $26.7M | 1.0% | +9,591+2.1% | Added | History |
| Peloton Interactive, Inc.70614WAD2 | NOTE 5.500%12/0 | – | $26.0M | 1.0% | – | New | – |
| Parsons Corp70202LAD4 | NOTE 2.625% 3/0 | – | $25.8M | 0.9% | – | – | – |
| Biomarin Pharmaceutical Inc09061GAK7 | NOTE 1.250% 5/1 | – | $25.6M | 0.9% | – | – | – |
| Progress Software Corp743312AD2 | NOTE 3.500% 3/0 | – | $25.6M | 0.9% | – | – | – |
| Liberty Media Corp531229AP7 | NOTE 3.750% 3/1 | – | $25.5M | 0.9% | – | – | – |
| Affirm Hldgs Inc00827BAD8 | NOTE 0.750%12/1 | – | $25.5M | 0.9% | – | – | – |
| NINENine Energy Service, Inc. | COMMON STOCK | 3,066,434 | $25.1M | 0.9% | +3,066,434 | New | History |
| Guidewire Software, Inc.40171VAC4 | NOTE 1.250%11/0 | – | $25.1M | 0.9% | – | – | – |
| Bank of Amer Corp060505682 | 7.25%CNV PFD L | 20,867 | $24.9M | 0.9% | −60−0.3% | Reduced | – |
| Dropbox, Inc.26210CAD6 | NOTE 3/0 | – | $23.1M | 0.8% | – | – | – |
| MYNBlackRock Muniyield New York Quality Fund, Inc. | COM | 2,349,687 | $22.6M | 0.8% | +1,175,516+100.1% | Added | History |
| MHDBlackRock Muniholdings Fund, Inc. | COM | 1,982,355 | $22.4M | 0.8% | −183,915−8.5% | Reduced | History |
| Greenbrier Cos Inc393657AM3 | NOTE 2.875% 4/1 | – | $22.0M | 0.8% | – | – | – |
| TALOTalos Energy Inc. | COM | 1,329,097 | $20.9M | 0.8% | −1,679,338−55.8% | Reduced | History |
| GPORGulfport Energy Corp | COMMON SHARES | 98,592 | $20.9M | 0.8% | −10,000−9.2% | Reduced | History |
| Rivian Automotive, Inc.76954AAB9 | NOTE 4.625% 3/1 | – | $19.9M | 0.7% | – | – | – |
| Alnylam Pharmaceuticals, Inc.02043QAB3 | NOTE 1.000% 9/1 | – | $19.1M | 0.7% | – | – | – |
| SHIFT4 PMTS Inc82452JAD1 | NOTE 0.500% 8/0 | – | $18.4M | 0.7% | – | – | – |
| Upstart Hldgs Inc91680MAF4 | NOTE 1.000%11/1 | – | $17.9M | 0.7% | – | – | – |
| ARES.PBAres Management Corp | 6.75 SE B PFD | 480,034 | $17.8M | 0.7% | +6,989+1.5% | Added | History |
| MQYBlackRock Muniyield Quality Fund, Inc. | COM | 1,594,019 | $17.5M | 0.6% | +1,236,182+345.5% | Added | History |
| WFC.PLWells Fargo & Company | PERP PFD CNV A | 14,760 | $17.1M | 0.6% | −10−0.1% | Reduced | History |
| SYNAPTICS Inc87157DAJ8 | NOTE 0.750%12/0 | – | $16.8M | 0.6% | – | – | – |
| Jazz Investments I Ltd472145AF8 | NOTE 2.000% 6/1 | – | $15.9M | 0.6% | – | – | – |
| Workiva Inc98139AAD7 | NOTE 1.250% 8/1 | – | $15.8M | 0.6% | – | – | – |
| Ionis Pharmaceuticals Inc462222AF7 | NOTE 1.750% 6/1 | – | $15.7M | 0.6% | – | – | – |
| Lumentum Hldgs Inc55024UAD1 | NOTE 0.500%12/1 | – | $15.6M | 0.6% | – | – | – |
| Cheesecake Factory Inc163072AA9 | NOTE 0.375% 6/1 | – | $15.2M | 0.6% | – | – | – |
| MGP Ingredients Inc55303JAB2 | NOTE 1.875%11/1 | – | $13.8M | 0.5% | – | – | – |
| BILL Holdings, Inc.090043AF7 | NOTE 4/0 | – | $13.5M | 0.5% | – | – | – |
| MUJBlackRock Muniholdings New Jersey Quality Fund, Inc. | COM | 1,147,932 | $13.3M | 0.5% | −84,941−6.9% | Reduced | History |
| Q2 Hldgs Inc74736LAD1 | NOTE 0.750% 6/0 | – | $13.2M | 0.5% | – | – | – |
| AeroVironment Inc008073AA6 | NOTE 7/1 | – | $13.0M | 0.5% | – | – | – |
| Global PMTS Inc37940XAU6 | NOTE 1.500% 3/0 | – | $11.4M | 0.4% | – | – | – |
| Vertex, Inc.92538JAB2 | NOTE 0.750% 5/0 | – | $8.00M | 0.3% | – | – | – |
| Spectrum Brands Inc84762LAZ8 | NOTE 3.375% 6/0 | – | $7.86M | 0.3% | – | – | – |
| MIYBlackRock Muniyield Michigan Quality Fund, Inc. | COM | 658,969 | $7.83M | 0.3% | −5,850−0.9% | Reduced | History |
| Teladoc Health, Inc.87918AAF2 | NOTE 1.250% 6/0 | – | $7.20M | 0.3% | – | – | – |
| Live Nation Entertainment IN538034BA6 | NOTE 3.125% 1/1 | – | $7.18M | 0.3% | – | – | – |
| Osi Systems Inc671044AF2 | NOTE 2.250% 8/0 | – | $6.93M | 0.3% | – | – | – |
| Cloudflare, Inc.18915MAC1 | NOTE 8/1 | – | $6.65M | 0.2% | – | – | – |
| GLDSPDR Gold Trust | ETF | 15,336 | $6.60M | 0.2% | 00.0% | Unchanged | History |
| Wec Energy Group, Inc.92939UAR7 | NOTE 4.375% 6/0 | – | $6.51M | 0.2% | – | – | – |
| NBHNeuberger Municipal Fund Inc. | COM | 623,277 | $6.33M | 0.2% | −610,301−49.5% | Reduced | History |
| Southern Co842587DZ7 | NOTE 4.500% 6/1 | – | $6.26M | 0.2% | – | – | – |
| WBDWarner Bros. Discovery, Inc. | Stock | 226,250 | $6.21M | 0.2% | 00.0% | Unchanged | History |
| Halozyme Therapeutics, Inc.40637HAD1 | NOTE 0.250% 3/0 | – | $5.62M | 0.2% | – | – | – |
| MYIBlackRock Muniyield Quality Fund III, Inc. | COM | 526,256 | $5.53M | 0.2% | +526,256 | New | History |
| Five9, Inc.338307AF8 | NOTE 1.000% 3/1 | – | $5.47M | 0.2% | – | – | – |
| NRKNuveen New York Amt-Free Quality Municipal Income Fund | COM | 519,880 | $5.31M | 0.2% | −121,225−18.9% | Reduced | History |
| Nutanix, Inc.67059NAH1 | NOTE 0.250%10/0 | – | $4.69M | 0.2% | – | – | – |
| Integer Hldgs Corp45826HAB5 | NOTE 2.125% 2/1 | – | $4.54M | 0.2% | – | – | – |
| VFLabrdn National Municipal Income Fund | CEF | 401,695 | $4.00M | 0.1% | 00.0% | Unchanged | History |
| Arrowhead Pharmaceuticals IN04280AAC4 | NOTE 1/1 | – | $3.11M | 0.1% | – | New | – |
| VGMInvesco Trust for Investment Grade Municipals | COM | 209,167 | $2.06M | 0.1% | −99,376−32.2% | Reduced | History |
| VKQInvesco Municipal Trust | COM | 208,814 | $1.99M | 0.1% | −116,293−35.8% | Reduced | History |
| MFMAberdeen Municipal Income Fund | SH BEN INT | 333,155 | $1.80M | 0.1% | −6,502−1.9% | Reduced | History |
| MUCBlackRock Muniholdings California Quality Fund, Inc. | CEF | 146,840 | $1.53M | 0.1% | −834,486−85.0% | Reduced | History |
Sold out since Q4 2025 (28)
Positions held at the end of Q4 2025 that are gone from this filing.
| Security | Class | Shares in Q4 2025 | Value in Q4 2025 | % of portfolio in Q4 2025 | History |
|---|---|---|---|---|---|
| Ford MTR Co Del345370CZ1 | NOTE 3/1 | – | $31.3M | 1.1% | – |
| Tyler Tex Indpt SCH Dist902252AB1 | NOTE 0.250% 3/1 | – | $30.7M | 1.1% | – |
| Cable One, Inc.12685JAE5 | NOTE 3/1 | – | $24.7M | 0.9% | – |
| Impinj Inc453204AD1 | NOTE 1.125% 5/1 | – | $16.1M | 0.6% | – |
| MHNBlackRock Muniholdings New York Quality Fund, Inc. | COM | 1,191,469 | $12.2M | 0.4% | History |
| Rapid7, Inc.753422AH7 | NOTE 1.250% 3/1 | – | $11.7M | 0.4% | – |
| MQTBlackRock Muniyield Quality Fund II, Inc. | COM | 1,008,573 | $10.1M | 0.4% | History |
| Haemonetics Corp Mass405024AB6 | NOTE 3/0 | – | $8.41M | 0.3% | – |
| BFKBlackRock Municipal Income Trust | SH BEN INT | 833,784 | $8.36M | 0.3% | History |
| MVFBlackRock Munivest Fund, Inc. | COM | 1,192,311 | $8.26M | 0.3% | History |
| Amphastar Pharmaceuticals IN03209RAB9 | NOTE 2.000% 3/1 | – | $8.10M | 0.3% | – |
| MYDBlackRock Muniyield Fund, Inc. | COM | 697,362 | $7.32M | 0.3% | History |
| Expedia Group, Inc.30212PBE4 | NOTE 2/1 | – | $6.86M | 0.2% | – |
| CONMED Corp207410AH4 | NOTE 2.250% 6/1 | – | $6.69M | 0.2% | – |
| Dropbox, Inc.26210CAC8 | NOTE 3/0 | – | $5.58M | 0.2% | – |
| Vail Resorts Inc91879QAN9 | NOTE 1/0 | – | $5.40M | 0.2% | – |
| BYMBlackRock Municipal Income Quality Trust | COM | 479,613 | $5.25M | 0.2% | History |
| Bentley Sys Inc08265TAB5 | NOTE 0.125% 1/1 | – | $4.34M | 0.2% | – |
| Oil STS Intl Inc678026AK1 | NOTE 4.750% 4/0 | – | $4.15M | 0.1% | – |
| BLEBlackRock Municipal Income Trust II | COM | 363,951 | $3.80M | 0.1% | History |
| Ionis Pharmaceuticals Inc462222AD2 | NOTE 4/0 | – | $3.79M | 0.1% | – |
| BlackRock New York Municipal Income Trust09248L106 | SH BEN INT | 218,559 | $2.22M | 0.1% | – |
| State Street SPDR Bloomberg Convertible Securities ETF78464A359 | ETF | 13,633 | $1.22M | <0.1% | – |
| BKNBlackRock Investment Quality Municipal Trust, Inc. | COM | 92,077 | $1.03M | <0.1% | History |
| KTFDWS Municipal Income Trust | COM | 92,505 | $840.9K | <0.1% | History |
| TPBTurning Point Brands, Inc. | COM | 6,802 | $737.3K | <0.1% | History |
| MVTBlackRock Munivest Fund II, Inc. | COM | 65,678 | $710.0K | <0.1% | History |
| VPVInvesco Pennsylvania Value Municipal Income Trust | COM | 14,433 | $151.0K | <0.1% | History |