MACKAY SHIELDS LLC Diversified Active

Location: New York, NY

CIK: 0000061227 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Oct 27, 2025

Total Value: $2.94B (25.2% shares, 74.8% debt)

Holdings (136)

SEAGATE HDD CAYMAN 2.5%
Value $73.68M Shares 25,568,000 Est. Cost $1.44 Unrealized
QXO INC 2.2%
Value $65.49M Shares 1,186,085 Est. Cost $60.15 Unrealized
TETRA TECH INC NEW 2.2%
Value $63.49M Shares 58,598,000 Est. Cost $1.31 Unrealized
UBER TECHNOLOGIES INC 2.2%
Value $63.29M Shares 42,991,000 Est. Cost $1.12 Unrealized
MIRUM PHARMACEUTICALS INC 2.1%
Value $63.09M Shares 26,219,000 Est. Cost $1.35 Unrealized
ADVANCED ENERGY INDS 2.1%
Value $62.74M Shares 45,174,000 Est. Cost $1.05 Unrealized
WESTERN DIGITAL CORP 2.1%
Value $61.71M Shares 19,228,000 Est. Cost $1.32 Unrealized
PG&E CORP 2.1%
Value $61.26M Shares 60,439,000 Est. Cost $1.09 Unrealized
LANTHEUS HLDGS INC 2.0%
Value $58.68M Shares 55,673,000 Est. Cost $1.13 Unrealized
BOEING CO 2.0%
Value $58.55M Shares 841,981 Est. Cost $63.28 Unrealized
HALOZYME THERAPEUTICS INC 2.0%
Value $57.99M Shares 50,503,000 Est. Cost $1.15 Unrealized
CABLE ONE INC 2.0%
Value $57.71M Shares 67,424,000 Est. Cost $0.79 Unrealized
POST HLDGS INC 1.9%
Value $56.35M Shares 50,121,000 Est. Cost $1.03 Unrealized
NUTANIX INC 1.9%
Value $56.05M Shares 40,670,000 Est. Cost $1.21 Unrealized
APOLLO GLOBAL MGMT INC 1.7%
Value $50.99M Shares 721,847 Est. Cost $54.97 Unrealized
OSI SYSTEMS INC 1.6%
Value $47.27M Shares 32,536,000 Est. Cost $1.45 Unrealized
LIBERTY MEDIA CORP DEL 1.6%
Value $45.73M Shares 34,433,000 Est. Cost $0.99 Unrealized
ON SEMICONDUCTOR CORP 1.6%
Value $45.58M Shares 39,979,000 Est. Cost $1.19 Unrealized
IRHYTHM TECHNOLOGIES INC 1.4%
Value $42.49M Shares 30,856,000 Est. Cost $1.14 Unrealized
LUMENTUM HLDGS INC 1.4%
Value $42.47M Shares 30,445,000 Est. Cost $0.97 Unrealized
AKAMAI TECHNOLOGIES INC 1.4%
Value $41.65M Shares 43,444,000 Est. Cost $1.10 Unrealized
HEWLETT PACKARD ENTERPRISE C 1.4%
Value $41.25M Shares 605,178 Est. Cost $54.39 Unrealized
MKS INC. 1.4%
Value $40.8M Shares 37,185,000 Est. Cost $0.99 Unrealized
NCL CORP LTD 1.4%
Value $40.33M Shares 39,311,000 Est. Cost $0.93 Unrealized
SNOWFLAKE INC 1.4%
Value $40.09M Shares 26,382,000 Est. Cost $1.52 Unrealized
SHIFT4 PMTS INC 1.3%
Value $39.36M Shares 39,897,000 Est. Cost $1.08 Unrealized
ETSY INC 1.3%
Value $38.96M Shares 37,493,000 Est. Cost $1.05 Unrealized
IONIS PHARMACEUTICALS INC 1.3%
Value $38.51M Shares 27,793,000 Est. Cost $1.04 Unrealized
IAU ISHARES GOLD TR 1.3%
Value $38.2M Shares 525,000 Est. Cost $33.71 Unrealized
MERITAGE HOMES CORP 1.3%
Value $38.05M Shares 37,024,000 Est. Cost $0.97 Unrealized
PATRICK INDS INC 1.3%
Value $37.95M Shares 23,353,000 Est. Cost $0.91 Unrealized
MICROCHIP TECHNOLOGY INC. 1.2%
Value $36.04M Shares 609,163 Est. Cost $52.97 Unrealized
CHEFS WHSE INC 1.2%
Value $34.87M Shares 24,100,000 Est. Cost $1.01 Unrealized
DEXCOM INC 1.2%
Value $34.03M Shares 37,290,000 Est. Cost $0.94 Unrealized
TYLER TEX INDPT SCH DIST 1.1%
Value $33.68M Shares 30,621,000 Est. Cost $1.23 Unrealized
BIOMARIN PHARMACEUTICAL INC 1.1%
Value $33.45M Shares 35,206,000 Est. Cost $1.02 Unrealized
NORTHERN OIL & GAS INC 1.1%
Value $32.19M Shares 32,032,000 Est. Cost $1.17 Unrealized
BLACKROCK MUN TARGET TERM TR 1.1%
Value $31.89M Shares 1,419,894 Est. Cost $24.19 Unrealized
FLUOR CORP 1.1%
Value $31.77M Shares 26,730,000 Est. Cost $1.31 Unrealized
FORD MTR CO 1.1%
Value $31.26M Shares 30,776,000 Est. Cost $1.15 Unrealized
LIBERTY MEDIA CORP DEL 1.1%
Value $31.18M Shares 29,835,000 Est. Cost $1.23 Unrealized
PARSONS CORP DEL 1.0%
Value $30.21M Shares 26,441,000 Est. Cost $1.01 Unrealized
TALO TALOS ENERGY INC 1.0%
Value $29.71M Shares 3,098,435 Est. Cost $32.68 Unrealized -72.5%
PROGRESS SOFTWARE CORP 1.0%
Value $29.19M Shares 28,964,000 Est. Cost $1.08 Unrealized
BRIDGEBIO PHARMA INC 1.0%
Value $28.58M Shares 28,922,000 Est. Cost $0.84 Unrealized
BURLINGTON STORES INC 0.9%
Value $27.79M Shares 20,561,000 Est. Cost $1.41 Unrealized
Q2 HLDGS INC 0.9%
Value $26.85M Shares 25,829,000 Est. Cost $1.18 Unrealized
DROPBOX INC 0.9%
Value $25.46M Shares 24,613,000 Est. Cost $0.95 Unrealized
BLACKROCK MUNIHOLDINGS FD IN 0.9%
Value $25.45M Shares 2,166,270 Est. Cost $13.19 Unrealized
ALNYLAM PHARMACEUTICALS INC 0.9%
Value $24.99M Shares 15,188,000 Est. Cost $0.98 Unrealized
CABLE ONE INC 0.8%
Value $24.39M Shares 24,975,000 Est. Cost $0.84 Unrealized
GLOBAL PMTS INC 0.8%
Value $24.37M Shares 26,553,000 Est. Cost $0.95 Unrealized
FRESHPET INC 0.8%
Value $24.29M Shares 21,572,000 Est. Cost $1.13 Unrealized
ARES MANAGEMENT CORPORATION 0.8%
Value $24.05M Shares 480,905 Est. Cost $56.05 Unrealized
GPOR GULFPORT ENERGY CORP 0.8%
Value $23.7M Shares 130,956 Est. Cost $170.19 Unrealized +2.3%
NEXTERA ENERGY INC 0.8%
Value $23.27M Shares 465,471 Est. Cost $49.98 Unrealized
BANK AMERICA CORP 0.8%
Value $22.55M Shares 17,584 Est. Cost $1448.22 Unrealized
LUMENTUM HLDGS INC 0.7%
Value $21.89M Shares 9,060,000 Est. Cost $1.54 Unrealized
OIL STS INTL INC 0.7%
Value $21.34M Shares 21,321,000 Est. Cost $0.81 Unrealized
GREENBRIER COS INC 0.7%
Value $20.63M Shares 19,205,000 Est. Cost $0.94 Unrealized
NUVEEN AMT FREE QLTY MUN INC 0.7%
Value $20.52M Shares 1,801,320 Est. Cost $12.14 Unrealized
RIVIAN AUTOMOTIVE INC 0.7%
Value $19.48M Shares 18,765,000 Est. Cost $0.82 Unrealized
WELLS FARGO CO NEW 0.6%
Value $19.08M Shares 15,404 Est. Cost $1489.39 Unrealized
VERTEX INC 0.6%
Value $18.69M Shares 18,323,000 Est. Cost $1.20 Unrealized
NUVEEN MUNICIPAL CREDIT INC 0.6%
Value $17.66M Shares 1,406,423 Est. Cost $12.32 Unrealized
WORKIVA INC 0.6%
Value $16.88M Shares 17,070,000 Est. Cost $0.95 Unrealized
IMPINJ INC 0.6%
Value $16.68M Shares 9,965,000 Est. Cost $1.20 Unrealized
CHEESECAKE FACTORY INC 0.5%
Value $15.74M Shares 15,810,000 Est. Cost $0.98 Unrealized
CONMED CORP 0.5%
Value $14.68M Shares 15,399,000 Est. Cost $1.10 Unrealized
TELADOC HEALTH INC 0.5%
Value $14.38M Shares 15,313,000 Est. Cost $1.12 Unrealized
NUVEEN AMT FREE MUN CR INC F 0.5%
Value $14.32M Shares 1,165,469 Est. Cost $12.44 Unrealized
BLACKROCK MUNIHLDGS NJ QLTY 0.5%
Value $14.29M Shares 1,232,873 Est. Cost $13.30 Unrealized
JAZZ INVESTMENTS I LTD 0.5%
Value $14.24M Shares 13,366,000 Est. Cost $1.02 Unrealized
MGP INGREDIENTS INC NEW 0.5%
Value $14.03M Shares 14,660,000 Est. Cost $1.26 Unrealized
NEUBERGER BERMAN MUN FD INC 0.4%
Value $12.73M Shares 1,233,578 Est. Cost $10.29 Unrealized
AEROVIRONMENT INC 0.4%
Value $12.52M Shares 10,088,000 Est. Cost $1.24 Unrealized
NUVEEN QUALITY MUNCP INCOME 0.4%
Value $12.37M Shares 1,058,093 Est. Cost $11.71 Unrealized
BLACKROCK MUNIHLDGS NY QLTY 0.4%
Value $12.18M Shares 1,191,469 Est. Cost $13.39 Unrealized
FIVE9 INC 0.4%
Value $11.86M Shares 13,345,000 Est. Cost $0.86 Unrealized
BLACKROCK MUNIYIELD N Y QUAL 0.4%
Value $11.66M Shares 1,174,171 Est. Cost $11.54 Unrealized
RAPID7 INC 0.4%
Value $11.46M Shares 12,905,000 Est. Cost $0.94 Unrealized
BLACKROCK MUNIHLDNGS CALI QL 0.4%
Value $10.65M Shares 981,326 Est. Cost $10.75 Unrealized
AMPHASTAR PHARMACEUTICALS IN 0.4%
Value $10.57M Shares 11,610,000 Est. Cost $1.06 Unrealized
XMQTX BLACKROCK MUNIYIELD QUALITY 0.4%
Value $10.3M Shares 1,026,805 Est. Cost $12.87 Unrealized
HAEMONETICS CORP MASS 0.3%
Value $8.763M Shares 8,949,000 Est. Cost $0.83 Unrealized
XMVFX BLACKROCK MUNIVEST FD INC 0.3%
Value $8.396M Shares 1,223,865 Est. Cost $7.10 Unrealized
BLACKROCK MUN INCOME TR 0.3%
Value $8.38M Shares 833,784 Est. Cost $10.08 Unrealized
LUMENTUM HLDGS INC 0.3%
Value $8.259M Shares 4,909,000 Est. Cost $1.22 Unrealized
NUVEEN NEW YORK AMT QLT MUNI 0.3%
Value $8.136M Shares 797,635 Est. Cost $12.77 Unrealized
LIVE NATION ENTERTAINMENT IN 0.3%
Value $7.88M Shares 4,885,000 Est. Cost $1.20 Unrealized
WBD WARNER BROS DISCOVERY INC 0.3%
Value $7.812M Shares 400,000 Est. Cost $13.62 Unrealized 0.0%
SPECTRUM BRANDS INC 0.3%
Value $7.573M Shares 8,128,000 Est. Cost $0.91 Unrealized
XMYDX BLACKROCK MUNIYIELD FD INC 0.3%
Value $7.52M Shares 712,123 Est. Cost $10.68 Unrealized
BLACKROCK MUNIYIELD MICH QU 0.3%
Value $7.499M Shares 664,819 Est. Cost $14.50 Unrealized
CLOUDFLARE INC 0.2%
Value $7.245M Shares 5,816,000 Est. Cost $1.01 Unrealized
WEC ENERGY GROUP INC 0.2%
Value $6.756M Shares 5,508,000 Est. Cost $1.23 Unrealized
SOUTHERN CO 0.2%
Value $6.376M Shares 5,736,000 Est. Cost $1.11 Unrealized
EXPEDIA GROUP INC 0.2%
Value $6.242M Shares 6,183,000 Est. Cost $1.19 Unrealized
NUVEEN CA QUALTY MUN INCOME 0.2%
Value $5.88M Shares 511,343 Est. Cost $11.44 Unrealized
VAIL RESORTS INC 0.2%
Value $5.678M Shares 5,759,000 Est. Cost $1.06 Unrealized
DROPBOX INC 0.2%
Value $5.636M Shares 5,713,000 Est. Cost $0.94 Unrealized
GLD SPDR GOLD TR 0.2%
Value $5.451M Shares 15,336 Est. Cost $112.08 Unrealized
BLACKROCK MUN INCOME QUALITY 0.2%
Value $5.252M Shares 479,613 Est. Cost $10.74 Unrealized
INTEGER HLDGS CORP 0.2%
Value $5.163M Shares 3,961,000 Est. Cost $1.45 Unrealized
SHIFT4 PMTS INC 0.2%
Value $4.903M Shares 4,779,000 Est. Cost $1.15 Unrealized
PEBBLEBROOK HOTEL TR 0.2%
Value $4.852M Shares 4,923,000 Est. Cost $1.17 Unrealized
BENTLEY SYS INC 0.2%
Value $4.605M Shares 4,661,000 Est. Cost $0.98 Unrealized
VOD VODAFONE GROUP PLC NEW 0.1%
Value $4.305M Shares 371,152 Est. Cost $8.90 Unrealized
BLACKROCK MUNIYILD QULT FD I 0.1%
Value $4.169M Shares 357,837 Est. Cost $16.64 Unrealized
XENWX EATON VANCE NEW YORK MUN BD 0.1%
Value $4.161M Shares 421,971 Est. Cost $14.03 Unrealized
ABRDN NATL MUN INCOME FD 0.1%
Value $4.121M Shares 401,695 Est. Cost $13.32 Unrealized
BLACKROCK MUNI INCOME TR II 0.1%
Value $3.803M Shares 363,951 Est. Cost $10.37 Unrealized
INVESCO TR INVT GRADE MUNS 0.1%
Value $3.746M Shares 370,162 Est. Cost $10.40 Unrealized
EXACT SCIENCES CORP 0.1%
Value $3.726M Shares 4,034,000 Est. Cost $1.17 Unrealized
INVESCO ADVANTAGE MUN INCOME 0.1%
Value $3.552M Shares 404,961 Est. Cost $8.88 Unrealized
IONIS PHARMACEUTICALS INC 0.1%
Value $3.455M Shares 2,816,000 Est. Cost $0.95 Unrealized
EATON VANCE MUN BD FD 0.1%
Value $3.169M Shares 318,814 Est. Cost $10.17 Unrealized
INVESCO MUNICIPAL TRUST 0.1%
Value $3.137M Shares 325,107 Est. Cost $10.15 Unrealized
INVESCO MUN OPPORTUNITY TR 0.1%
Value $2.976M Shares 307,705 Est. Cost $9.80 Unrealized
NUVEEN PENNSYLVANIA QLT MUN 0.1%
Value $2.8M Shares 233,310 Est. Cost $14.14 Unrealized
MFS MUN INCOME TR 0.1%
Value $2.335M Shares 433,155 Est. Cost $6.77 Unrealized
XBNYX BLACKROCK N Y MUN INCOME TRU 0.1%
Value $2.212M Shares 218,559 Est. Cost $11.76 Unrealized
DWS MUN INCOME TR NEW 0.0%
Value $1.2M Shares 130,807 Est. Cost $11.01 Unrealized
XBKNX BLACKROCK INVT QUALITY MUN T 0.0%
Value $1.044M Shares 92,077 Est. Cost $11.49 Unrealized
BLACKLINE INC 0.0%
Value $1.041M Shares 1,000,000 Est. Cost $1.07 Unrealized
INVESCO QUALITY MUN INCOME T 0.0%
Value $936K Shares 94,994 Est. Cost $9.92 Unrealized
SOUTHERN CO 0.0%
Value $738K Shares 655,000 Est. Cost $1.00 Unrealized
XMVTX BLACKROCK MUNIVEST FD II INC 0.0%
Value $698K Shares 65,678 Est. Cost $10.57 Unrealized
TPB TURNING PT BRANDS INC 0.0%
Value $672K Shares 6,802 Est. Cost $30.89 Unrealized +193.0%
PPL CAP FDG INC 0.0%
Value $575K Shares 503,000 Est. Cost $0.96 Unrealized
DUKE ENERGY CORP NEW 0.0%
Value $543K Shares 505,000 Est. Cost $1.00 Unrealized
WW WW INTL INC 0.0%
Value $393K Shares 14,371 Est. Cost $34.35 Unrealized 0.0%
INVESCO PA VALUE MUN INC TR 0.0%
Value $149K Shares 14,433 Est. Cost $12.71 Unrealized
BILL HOLDINGS INC 0.0%
Value $73,792 Shares 75,000 Est. Cost $1.71 Unrealized
NINEQ NINE ENERGY SERVICE INC 0.0%
Value $73,517 Shares 116,342 Est. Cost $10.34 Unrealized -93.1%
CHEGG INC 0.0%
Value $35,438 Shares 45,000 Est. Cost $0.99 Unrealized