Holders — by stockHoldings — by fund
MacKay Shields LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0000061227
$2.99B
disclosed book value
108
positions
5.1%
largest position share
Positions, as of 2026-06-30
top 100 of 108 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | WDC 3 11/15/28WESTERN DIGITAL CORP | 9.0M | $150.8M | 5.1% |
| 2 | GOOGL 6.25 05/15/29 AALPHABET INC | 2.4M | $122.6M | 4.1% |
| 3 | MKSI 1.25 06/01/30MKS INC. | 36.5M | $107.5M | 3.6% |
| 4 | LITE 0.5 06/15/28LUMENTUM HLDGS INC | 12.9M | $84.1M | 2.8% |
| 5 | LNTH 2.625 12/15/27LANTHEUS HLDGS INC | 50.9M | $74.0M | 2.5% |
| 6 | HPE 7.625 09/01/27HEWLETT PACKARD ENTERPRISE C | 601,263 | $70.2M | 2.4% |
| 7 | CABO 1.125 03/15/28CABLE ONE INC | 89.9M | $58.8M | 2% |
| 8 | QXO 5.5 05/15/28QXO INC | 1.2M | $57.4M | 1.9% |
| 9 | BA 6 10/15/27BOEING CO | 828,674 | $56.2M | 1.9% |
| 10 | TTEK 2.25 08/15/28TETRA TECH INC NEW | 52.4M | $55.3M | 1.9% |
| 11 | UBER 0.875 12/01/28 2028UBER TECHNOLOGIES INC | 45.4M | $54.3M | 1.8% |
| 12 | SNOW 0 10/01/27SNOWFLAKE INC | 32.5M | $54.2M | 1.8% |
| 13 | CHEF 2.375 12/15/28CHEFS WHSE INC | 23.7M | $53.0M | 1.8% |
| 14 | ETSY 0.125 10/01/26ETSY INC | 49.9M | $50.9M | 1.7% |
| 15 | NEE 7.299 06/01/27NEXTERA ENERGY INC | 940,950 | $50.5M | 1.7% |
| 16 | PCG 4.25 12/01/27PG&E CORP | 46.5M | $47.5M | 1.6% |
| 17 | MCHP 7.5 03/15/28MICROCHIP TECHNOLOGY INC. | 603,491 | $46.5M | 1.6% |
| 18 | BTTBLACKROCK MUN TARGET TERM TR | 2.0M | $44.8M | 1.5% |
| 19 | ITGR 1.875 03/15/30INTEGER HLDGS CORP | 45.2M | $43.9M | 1.5% |
| 20 | APO 6.75 07/31/26APOLLO GLOBAL MGMT INC | 713,153 | $43.5M | 1.5% |
| 21 | FWONK 2.25 08/15/27LIBERTY MEDIA CORP DEL | 33.9M | $42.1M | 1.4% |
| 22 | POST 2.5 08/15/27POST HLDGS INC | 40.2M | $41.7M | 1.4% |
| 23 | MMSI 3 02/01/29MERIT MED SYS INC | 38.1M | $41.1M | 1.4% |
| 24 | AKAM 0.375 09/01/27AKAMAI TECHNOLOGIES INC | 34.0M | $40.8M | 1.4% |
| 25 | ON 0 05/01/27ON SEMICONDUCTOR CORP | 21.9M | $40.0M | 1.3% |
| 26 | NINENINE ENERGY SERVICE INC | 3.0M | $39.2M | 1.3% |
| 27 | DDOG 0 12/01/29DATADOG INC | 27.4M | $39.1M | 1.3% |
| 28 | RVMD 0.5 05/01/33REVOLUTION MEDICINES INC | 30.3M | $38.1M | 1.3% |
| 29 | FRPT 3 04/01/28FRESHPET INC | 31.8M | $37.0M | 1.2% |
| 30 | BBIO 2.25 02/01/29BRIDGEBIO PHARMA INC | 33.3M | $36.9M | 1.2% |
| 31 | IRTC 1.5 09/01/29IRHYTHM HOLDINGS INC | 32.6M | $35.9M | 1.2% |
| 32 | LYV 2.875 01/15/30LIVE NATION ENTERTAINMENT IN | 29.7M | $35.6M | 1.2% |
| 33 | PTON 5.5 12/01/29PELOTON INTERACTIVE INC | 21.5M | $34.9M | 1.2% |
| 34 | FLR 1.125 08/15/29FLUOR CORP | 26.2M | $34.7M | 1.2% |
| 35 | JAZZ 3.125 09/15/30JAZZ INVESTMENTS I LTD | 20.3M | $34.7M | 1.2% |
| 36 | NOG 3.625 04/15/29NORTHERN OIL & GAS INC | 33.2M | $31.9M | 1.1% |
| 37 | AFRM 0.75 12/15/29AFFIRM HLDGS INC | 27.1M | $31.7M | 1.1% |
| 38 | CYBR 0 06/15/30CYBERARK SOFTWARE LTD | 19.0M | $31.6M | 1.1% |
| 39 | NET 0 06/15/30CLOUDFLARE INC | 24.9M | $31.5M | 1.1% |
| 40 | U 0 03/15/30UNITY SOFTWARE INC | 26.9M | $30.5M | 1% |
| 41 | ORCL 6.5 01/15/29 DORACLE CORP | 645,801 | $29.1M | 1% |
| 42 | MTH 1.75 05/15/28MERITAGE HOMES CORP | 28.0M | $29.0M | 1% |
| 43 | PATK 1.75 12/01/28PATRICK INDS INC | 19.1M | $28.3M | 0.9% |
| 44 | SIRI 3.75 03/15/28LIBERTY MEDIA CORP DEL | 24.5M | $28.1M | 0.9% |
| 45 | BURL 1.25 12/15/27BURLINGTON STORES INC | 17.5M | $28.0M | 0.9% |
| 46 | PRGS 3.5 03/01/30PROGRESS SOFTWARE CORP | 28.6M | $27.5M | 0.9% |
| 47 | BAC 7.25 PERP LBANK OF AMER CORP | 20,806 | $26.1M | 0.9% |
| 48 | PSN 2.625 03/01/29PARSONS CORP DEL | 26.2M | $25.8M | 0.9% |
| 49 | BMRN 1.25 05/15/27BIOMARIN PHARMACEUTICAL INC | 26.4M | $25.7M | 0.9% |
| 50 | IAUISHARES GOLD TR | 328,020 | $24.8M | 0.8% |
| 51 | DBX 0 03/01/28DROPBOX INC | 24.3M | $24.6M | 0.8% |
| 52 | ARWR 0 01/15/32ARROWHEAD PHARMACEUTICALS IN | 20.5M | $24.5M | 0.8% |
| 53 | DASH 0 05/15/30DOORDASH INC | 24.7M | $24.4M | 0.8% |
| 54 | SYNA 0.75 12/01/31SYNAPTICS INC | 16.2M | $24.0M | 0.8% |
| 55 | GWRE 1.25 11/01/29GUIDEWIRE SOFTWARE INC | 24.9M | $24.0M | 0.8% |
| 56 | MYNBLACKROCK MUNIYIELD N Y QUAL | 2.3M | $23.8M | 0.8% |
| 57 | MHDBLACKROCK MUNIHOLDINGS FD IN | 2.0M | $23.6M | 0.8% |
| 58 | RIVN 4.625 03/15/29RIVIAN AUTOMOTIVE INC | 18.6M | $22.1M | 0.7% |
| 59 | GBX 2.875 04/15/28GREENBRIER COS INC | 19.0M | $21.8M | 0.7% |
| 60 | DXCM 0.375 05/15/28DEXCOM INC | 22.4M | $20.9M | 0.7% |
| 61 | UPST 1 11/15/30UPSTART HLDGS INC | 25.2M | $20.6M | 0.7% |
| 62 | MQYBLACKROCK MUNIYILD QULT FD I | 1.6M | $18.5M | 0.6% |
| 63 | FOUR 0.5 08/01/27SHIFT4 PMTS INC | 19.2M | $18.3M | 0.6% |
| 64 | ARES 6.75 10/01/27 BARES MANAGEMENT CORPORATION | 479,735 | $18.1M | 0.6% |
| 65 | ALNY 1 09/15/27ALNYLAM PHARMACEUTICALS INC | 14.8M | $17.9M | 0.6% |
| 66 | WFC 7.5 PERP LWELLS FARGO & CO | 14,748 | $17.1M | 0.6% |
| 67 | GPORGULFPORT ENERGY CORP | 97,512 | $16.5M | 0.6% |
| 68 | NTNX 0.5 12/15/29NUTANIX INC | 16.6M | $16.3M | 0.5% |
| 69 | WK 1.25 08/15/28WORKIVA INC | 16.6M | $15.5M | 0.5% |
| 70 | RBRK 0 06/15/30RUBRIK INC. | 14.8M | $15.2M | 0.5% |
| 71 | TALOTALOS ENERGY INC | 1.2M | $15.0M | 0.5% |
| 72 | MGPI 1.875 11/15/41MGP INGREDIENTS INC NEW | 14.2M | $13.9M | 0.5% |
| 73 | AEIS 2.5 09/15/28ADVANCED ENERGY INDS | 4.8M | $13.2M | 0.4% |
| 74 | BILL 0 04/01/30BILL HOLDINGS INC | 15.1M | $13.1M | 0.4% |
| 75 | GOOGL 6.25 05/15/29 BALPHABET INC | 250,000 | $12.6M | 0.4% |
| 76 | GPN 1.5 03/01/31GLOBAL PMTS INC | 12.9M | $11.6M | 0.4% |
| 77 | NEE 7.375 02/15/29NEXTERA ENERGY INC | 228,903 | $11.0M | 0.4% |
| 78 | MUJBLACKROCK MUNIHLDGS NJ QLTY | 881,952 | $10.9M | 0.4% |
| 79 | WBDWARNER BROS DISCOVERY INC | 358,060 | $9.5M | 0.3% |
| 80 | LIF 0 06/01/30LIFE360 INC | 8.9M | $9.2M | 0.3% |
| 81 | GH 0 11/15/27GUARDANT HEALTH INC | 7.2M | $8.9M | 0.3% |
| 82 | LYV 3.125 01/15/29LIVE NATION ENTERTAINMENT IN | 4.7M | $8.3M | 0.3% |
| 83 | SPB 3.375 06/01/29SPECTRUM BRANDS INC | 7.9M | $8.2M | 0.3% |
| 84 | VERX 0.75 05/01/29VERTEX INC | 9.2M | $8.2M | 0.3% |
| 85 | TDOC 1.25 06/01/27TELADOC HEALTH INC | 7.5M | $7.3M | 0.2% |
| 86 | NET 0 08/15/26CLOUDFLARE INC | 5.6M | $7.2M | 0.2% |
| 87 | MIRM 4 05/01/29MIRUM PHARMACEUTICALS INC | 1.9M | $7.2M | 0.2% |
| 88 | WEC 4.375 06/01/29WEC ENERGY GROUP INC | 5.2M | $6.4M | 0.2% |
| 89 | SO 4.5 06/15/27SOUTHERN CO | 5.6M | $6.1M | 0.2% |
| 90 | HALO 0.25 03/01/27HALOZYME THERAPEUTICS INC | 5.4M | $6.0M | 0.2% |
| 91 | OSIS 2.25 08/01/29OSI SYSTEMS INC | 4.5M | $6.0M | 0.2% |
| 92 | MIYBLACKROCK MUNIYIELD MICH QU | 479,747 | $5.9M | 0.2% |
| 93 | GLDSPDR GOLD TR | 15,336 | $5.6M | 0.2% |
| 94 | FIVN 1 03/15/29FIVE9 INC | 6.2M | $5.5M | 0.2% |
| 95 | NTNX 0.25 10/01/27NUTANIX INC | 4.6M | $5.2M | 0.2% |
| 96 | MYIBLACKROCK MUNIYIELD QUALITY | 439,004 | $4.9M | 0.2% |
| 97 | SO 3.25 06/15/28SOUTHERN CO | 4.8M | $4.9M | 0.2% |
| 98 | ITGR 2.125 02/15/28INTEGER HLDGS CORP | 3.8M | $4.6M | 0.2% |
| 99 | XVFLXABRDN NATL MUN INCOME FD | 401,695 | $4.2M | 0.1% |
| 100 | IONS 1.75 06/15/28IONIS PHARMACEUTICALS INC | 2.4M | $3.8M | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.