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 |
|---|---|---|---|---|---|---|---|
| Biomarin Pharmaceutical Inc09061GAK7 | NOTE 1.250% 5/1 | – | $33.3M | 1.2% | – | – | – |
| Datadog, Inc.23804LAD5 | NOTE 12/0 | – | $33.8M | 1.2% | – | New | – |
| Dexcom Inc252131AM9 | NOTE 0.375% 5/1 | – | $34.0M | 1.2% | – | – | – |
| Akamai Technologies Inc00971TAL5 | NOTE 0.375% 9/0 | – | $34.0M | 1.2% | – | – | – |
| MCHPPMicrochip Technology Inc | DEP SHS REPSTG | 601,474 | $35.1M | 1.2% | −7,689−1.3% | Reduced | History |
| Meritage Homes CORP59001ABF8 | NOTE 1.750% 5/1 | – | $35.9M | 1.3% | – | – | – |
| Patk703343AG8 | 12/01/2028 | – | $36.0M | 1.3% | – | – | – |
| Chefs Whse Inc163086AE1 | NOTE 2.375%12/1 | – | $36.2M | 1.3% | – | – | – |
| Etsy Inc29786AAJ5 | NOTE 0.125%10/0 | – | $37.5M | 1.3% | – | – | – |
| SHIFT4 PMTS Inc82452JAD1 | NOTE 0.500% 8/0 | – | $38.1M | 1.3% | – | – | – |
| IAUiShares Gold Trust | ETF | 475,000 | $38.6M | 1.3% | −50,000−9.5% | Reduced | History |
| NCL Corp Ltd62886HBD2 | NOTE 1.125% 2/1 | – | $38.9M | 1.4% | – | – | – |
| HPE.PCHewlett Packard Enterprise Co | 7.625 MAND CONV | 597,863 | $39.6M | 1.4% | −7,315−1.2% | Reduced | History |
| Liberty Media Corp531229AQ5 | NOTE 2.250% 8/1 | – | $43.1M | 1.5% | – | – | – |
| Snowflake Inc.833445AB5 | NOTE 10/0 | – | $44.4M | 1.6% | – | – | – |
| Seagate HDD Cayman81180WBL4 | NOTE 3.500% 6/0 | – | $44.7M | 1.6% | – | – | – |
| iRhythm Holdings, Inc.450056AB2 | NOTE 1.500% 9/0 | – | $45.7M | 1.6% | – | – | – |
| MKS Inc55306NAB0 | NOTE 1.250% 6/0 | – | $46.7M | 1.6% | – | – | – |
| On Semiconductor Corp682189AS4 | NOTE 5/0 | – | $47.0M | 1.6% | – | – | – |
| PG&E Corp69331CAL2 | NOTE 4.250%12/0 | – | $53.0M | 1.9% | – | – | – |
| Post Hldgs Inc737446AT1 | NOTE 2.500% 8/1 | – | $53.4M | 1.9% | – | – | – |
| Apollo Global Mgmt Inc03769M304 | SER A MAND CNV | 714,292 | $53.9M | 1.9% | −7,555−1.0% | Reduced | – |
| Uber Technologies, Inc90353TAM2 | NOTE 0.875%12/0 | – | $55.4M | 1.9% | – | – | – |
| Cable One, Inc.12685JAG0 | NOTE 1.125% 3/1 | – | $56.7M | 2.0% | – | – | – |
| BA.PABoeing Co | DEP CONV PFD A | 830,097 | $57.7M | 2.0% | −11,884−1.4% | Reduced | History |
| Tetra Tech Inc88162GAB9 | DBCV 2.250% 8/1 | – | $64.8M | 2.3% | – | – | – |
| QXO.PBQXO, Inc. | 5.50 DEP PFD | 1,171,159 | $65.0M | 2.3% | −14,926−1.3% | Reduced | History |
| Lantheus Hldgs Inc516544AB9 | NOTE 2.625%12/1 | – | $65.1M | 2.3% | – | – | – |
| Mirum Pharmaceuticals, Inc.604749AB7 | NOTE 4.000% 5/0 | – | $66.0M | 2.3% | – | – | – |
| Advanced Energy Inds007973AE0 | NOTE 2.500% 9/1 | – | $73.3M | 2.6% | – | – | – |
| Lumentum Hldgs Inc55024UAF6 | NOTE 0.500% 6/1 | – | $85.3M | 3.0% | – | – | – |
| Western Digital Corp958102AT2 | NOTE 3.000%11/1 | – | $86.6M | 3.0% | – | – | – |
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 |