MACKAY SHIELDS LLC Diversified Active

CIK: 0000061227 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Oct 27, 2025

Total Value ($000): $2,939,899 (25.2% shares, 74.8% debt)

Holdings (136)

SEAGATE HDD CAYMAN 2.5%
Value ($000) $73,684 Shares 25,568,000 Est. Cost $1.44 Unrealized
QXO INC 2.2%
Value ($000) $65,491 Shares 1,186,085 Est. Cost $60.15 Unrealized
TETRA TECH INC NEW 2.2%
Value ($000) $63,490 Shares 58,598,000 Est. Cost $1.31 Unrealized
UBER TECHNOLOGIES INC 2.2%
Value ($000) $63,292 Shares 42,991,000 Est. Cost $1.12 Unrealized
MIRUM PHARMACEUTICALS INC 2.1%
Value ($000) $63,086 Shares 26,219,000 Est. Cost $1.35 Unrealized
ADVANCED ENERGY INDS 2.1%
Value ($000) $62,744 Shares 45,174,000 Est. Cost $1.05 Unrealized
WESTERN DIGITAL CORP 2.1%
Value ($000) $61,712 Shares 19,228,000 Est. Cost $1.32 Unrealized
PG&E CORP 2.1%
Value ($000) $61,260 Shares 60,439,000 Est. Cost $1.09 Unrealized
LANTHEUS HLDGS INC 2.0%
Value ($000) $58,678 Shares 55,673,000 Est. Cost $1.13 Unrealized
BOEING CO 2.0%
Value ($000) $58,551 Shares 841,981 Est. Cost $63.28 Unrealized
HALOZYME THERAPEUTICS INC 2.0%
Value ($000) $57,989 Shares 50,503,000 Est. Cost $1.15 Unrealized
CABLE ONE INC 2.0%
Value ($000) $57,715 Shares 67,424,000 Est. Cost $0.79 Unrealized
POST HLDGS INC 1.9%
Value ($000) $56,349 Shares 50,121,000 Est. Cost $1.03 Unrealized
NUTANIX INC 1.9%
Value ($000) $56,052 Shares 40,670,000 Est. Cost $1.21 Unrealized
APOLLO GLOBAL MGMT INC 1.7%
Value ($000) $50,993 Shares 721,847 Est. Cost $54.97 Unrealized
OSI SYSTEMS INC 1.6%
Value ($000) $47,266 Shares 32,536,000 Est. Cost $1.45 Unrealized
LIBERTY MEDIA CORP DEL 1.6%
Value ($000) $45,732 Shares 34,433,000 Est. Cost $0.99 Unrealized
ON SEMICONDUCTOR CORP 1.6%
Value ($000) $45,583 Shares 39,979,000 Est. Cost $1.19 Unrealized
IRHYTHM TECHNOLOGIES INC 1.4%
Value ($000) $42,489 Shares 30,856,000 Est. Cost $1.14 Unrealized
LUMENTUM HLDGS INC 1.4%
Value ($000) $42,471 Shares 30,445,000 Est. Cost $0.97 Unrealized
AKAMAI TECHNOLOGIES INC 1.4%
Value ($000) $41,648 Shares 43,444,000 Est. Cost $1.10 Unrealized
HEWLETT PACKARD ENTERPRISE C 1.4%
Value ($000) $41,248 Shares 605,178 Est. Cost $54.39 Unrealized
MKS INC. 1.4%
Value ($000) $40,803 Shares 37,185,000 Est. Cost $0.99 Unrealized
NCL CORP LTD 1.4%
Value ($000) $40,333 Shares 39,311,000 Est. Cost $0.93 Unrealized
SNOWFLAKE INC 1.4%
Value ($000) $40,087 Shares 26,382,000 Est. Cost $1.52 Unrealized
SHIFT4 PMTS INC 1.3%
Value ($000) $39,362 Shares 39,897,000 Est. Cost $1.08 Unrealized
ETSY INC 1.3%
Value ($000) $38,965 Shares 37,493,000 Est. Cost $1.05 Unrealized
IONIS PHARMACEUTICALS INC 1.3%
Value ($000) $38,511 Shares 27,793,000 Est. Cost $1.04 Unrealized
IAU ISHARES GOLD TR 1.3%
Value ($000) $38,204 Shares 525,000 Est. Cost $33.71 Unrealized
MERITAGE HOMES CORP 1.3%
Value ($000) $38,048 Shares 37,024,000 Est. Cost $0.97 Unrealized
PATRICK INDS INC 1.3%
Value ($000) $37,952 Shares 23,353,000 Est. Cost $0.91 Unrealized
MICROCHIP TECHNOLOGY INC. 1.2%
Value ($000) $36,035 Shares 609,163 Est. Cost $52.97 Unrealized
CHEFS WHSE INC 1.2%
Value ($000) $34,872 Shares 24,100,000 Est. Cost $1.01 Unrealized
DEXCOM INC 1.2%
Value ($000) $34,029 Shares 37,290,000 Est. Cost $0.94 Unrealized
TYLER TEX INDPT SCH DIST 1.1%
Value ($000) $33,683 Shares 30,621,000 Est. Cost $1.23 Unrealized
BIOMARIN PHARMACEUTICAL INC 1.1%
Value ($000) $33,449 Shares 35,206,000 Est. Cost $1.02 Unrealized
NORTHERN OIL & GAS INC 1.1%
Value ($000) $32,185 Shares 32,032,000 Est. Cost $1.17 Unrealized
BLACKROCK MUN TARGET TERM TR 1.1%
Value ($000) $31,891 Shares 1,419,894 Est. Cost $24.19 Unrealized
FLUOR CORP 1.1%
Value ($000) $31,770 Shares 26,730,000 Est. Cost $1.31 Unrealized
FORD MTR CO 1.1%
Value ($000) $31,256 Shares 30,776,000 Est. Cost $1.15 Unrealized
LIBERTY MEDIA CORP DEL 1.1%
Value ($000) $31,178 Shares 29,835,000 Est. Cost $1.23 Unrealized
PARSONS CORP DEL 1.0%
Value ($000) $30,209 Shares 26,441,000 Est. Cost $1.01 Unrealized
TALO TALOS ENERGY INC 1.0%
Value ($000) $29,714 Shares 3,098,435 Est. Cost $32.68 Unrealized -72.5%
PROGRESS SOFTWARE CORP 1.0%
Value ($000) $29,194 Shares 28,964,000 Est. Cost $1.08 Unrealized
BRIDGEBIO PHARMA INC 1.0%
Value ($000) $28,582 Shares 28,922,000 Est. Cost $0.84 Unrealized
BURLINGTON STORES INC 0.9%
Value ($000) $27,788 Shares 20,561,000 Est. Cost $1.41 Unrealized
Q2 HLDGS INC 0.9%
Value ($000) $26,849 Shares 25,829,000 Est. Cost $1.18 Unrealized
DROPBOX INC 0.9%
Value ($000) $25,462 Shares 24,613,000 Est. Cost $0.95 Unrealized
BLACKROCK MUNIHOLDINGS FD IN 0.9%
Value ($000) $25,454 Shares 2,166,270 Est. Cost $13.19 Unrealized
ALNYLAM PHARMACEUTICALS INC 0.9%
Value ($000) $24,993 Shares 15,188,000 Est. Cost $0.98 Unrealized
CABLE ONE INC 0.8%
Value ($000) $24,388 Shares 24,975,000 Est. Cost $0.84 Unrealized
GLOBAL PMTS INC 0.8%
Value ($000) $24,369 Shares 26,553,000 Est. Cost $0.95 Unrealized
FRESHPET INC 0.8%
Value ($000) $24,295 Shares 21,572,000 Est. Cost $1.13 Unrealized
ARES MANAGEMENT CORPORATION 0.8%
Value ($000) $24,046 Shares 480,905 Est. Cost $56.05 Unrealized
GPOR GULFPORT ENERGY CORP 0.8%
Value ($000) $23,700 Shares 130,956 Est. Cost $170.19 Unrealized +2.3%
NEXTERA ENERGY INC 0.8%
Value ($000) $23,266 Shares 465,471 Est. Cost $49.98 Unrealized
BANK AMERICA CORP 0.8%
Value ($000) $22,547 Shares 17,584 Est. Cost $1448.22 Unrealized
LUMENTUM HLDGS INC 0.7%
Value ($000) $21,889 Shares 9,060,000 Est. Cost $1.54 Unrealized
OIL STS INTL INC 0.7%
Value ($000) $21,342 Shares 21,321,000 Est. Cost $0.81 Unrealized
GREENBRIER COS INC 0.7%
Value ($000) $20,629 Shares 19,205,000 Est. Cost $0.94 Unrealized
NUVEEN AMT FREE QLTY MUN INC 0.7%
Value ($000) $20,517 Shares 1,801,320 Est. Cost $12.14 Unrealized
RIVIAN AUTOMOTIVE INC 0.7%
Value ($000) $19,482 Shares 18,765,000 Est. Cost $0.82 Unrealized
WELLS FARGO CO NEW 0.6%
Value ($000) $19,083 Shares 15,404 Est. Cost $1489.39 Unrealized
VERTEX INC 0.6%
Value ($000) $18,689 Shares 18,323,000 Est. Cost $1.20 Unrealized
NUVEEN MUNICIPAL CREDIT INC 0.6%
Value ($000) $17,665 Shares 1,406,423 Est. Cost $12.32 Unrealized
WORKIVA INC 0.6%
Value ($000) $16,878 Shares 17,070,000 Est. Cost $0.95 Unrealized
IMPINJ INC 0.6%
Value ($000) $16,676 Shares 9,965,000 Est. Cost $1.20 Unrealized
CHEESECAKE FACTORY INC 0.5%
Value ($000) $15,737 Shares 15,810,000 Est. Cost $0.98 Unrealized
CONMED CORP 0.5%
Value ($000) $14,678 Shares 15,399,000 Est. Cost $1.10 Unrealized
TELADOC HEALTH INC 0.5%
Value ($000) $14,379 Shares 15,313,000 Est. Cost $1.12 Unrealized
NUVEEN AMT FREE MUN CR INC F 0.5%
Value ($000) $14,324 Shares 1,165,469 Est. Cost $12.44 Unrealized
BLACKROCK MUNIHLDGS NJ QLTY 0.5%
Value ($000) $14,289 Shares 1,232,873 Est. Cost $13.30 Unrealized
JAZZ INVESTMENTS I LTD 0.5%
Value ($000) $14,238 Shares 13,366,000 Est. Cost $1.02 Unrealized
MGP INGREDIENTS INC NEW 0.5%
Value ($000) $14,029 Shares 14,660,000 Est. Cost $1.26 Unrealized
NEUBERGER BERMAN MUN FD INC 0.4%
Value ($000) $12,731 Shares 1,233,578 Est. Cost $10.29 Unrealized
AEROVIRONMENT INC 0.4%
Value ($000) $12,524 Shares 10,088,000 Est. Cost $1.24 Unrealized
NUVEEN QUALITY MUNCP INCOME 0.4%
Value ($000) $12,369 Shares 1,058,093 Est. Cost $11.71 Unrealized
BLACKROCK MUNIHLDGS NY QLTY 0.4%
Value ($000) $12,177 Shares 1,191,469 Est. Cost $13.39 Unrealized
FIVE9 INC 0.4%
Value ($000) $11,857 Shares 13,345,000 Est. Cost $0.86 Unrealized
BLACKROCK MUNIYIELD N Y QUAL 0.4%
Value ($000) $11,660 Shares 1,174,171 Est. Cost $11.54 Unrealized
RAPID7 INC 0.4%
Value ($000) $11,458 Shares 12,905,000 Est. Cost $0.94 Unrealized
BLACKROCK MUNIHLDNGS CALI QL 0.4%
Value ($000) $10,647 Shares 981,326 Est. Cost $10.75 Unrealized
AMPHASTAR PHARMACEUTICALS IN 0.4%
Value ($000) $10,568 Shares 11,610,000 Est. Cost $1.06 Unrealized
XMQTX BLACKROCK MUNIYIELD QUALITY 0.4%
Value ($000) $10,299 Shares 1,026,805 Est. Cost $12.87 Unrealized
HAEMONETICS CORP MASS 0.3%
Value ($000) $8,763 Shares 8,949,000 Est. Cost $0.83 Unrealized
XMVFX BLACKROCK MUNIVEST FD INC 0.3%
Value ($000) $8,396 Shares 1,223,865 Est. Cost $7.10 Unrealized
BLACKROCK MUN INCOME TR 0.3%
Value ($000) $8,380 Shares 833,784 Est. Cost $10.08 Unrealized
LUMENTUM HLDGS INC 0.3%
Value ($000) $8,259 Shares 4,909,000 Est. Cost $1.22 Unrealized
NUVEEN NEW YORK AMT QLT MUNI 0.3%
Value ($000) $8,136 Shares 797,635 Est. Cost $12.77 Unrealized
LIVE NATION ENTERTAINMENT IN 0.3%
Value ($000) $7,880 Shares 4,885,000 Est. Cost $1.20 Unrealized
WBD WARNER BROS DISCOVERY INC 0.3%
Value ($000) $7,812 Shares 400,000 Est. Cost $13.62 Unrealized 0.0%
SPECTRUM BRANDS INC 0.3%
Value ($000) $7,573 Shares 8,128,000 Est. Cost $0.91 Unrealized
XMYDX BLACKROCK MUNIYIELD FD INC 0.3%
Value ($000) $7,520 Shares 712,123 Est. Cost $10.68 Unrealized
BLACKROCK MUNIYIELD MICH QU 0.3%
Value ($000) $7,499 Shares 664,819 Est. Cost $14.50 Unrealized
CLOUDFLARE INC 0.2%
Value ($000) $7,245 Shares 5,816,000 Est. Cost $1.01 Unrealized
WEC ENERGY GROUP INC 0.2%
Value ($000) $6,756 Shares 5,508,000 Est. Cost $1.23 Unrealized
SOUTHERN CO 0.2%
Value ($000) $6,376 Shares 5,736,000 Est. Cost $1.11 Unrealized
EXPEDIA GROUP INC 0.2%
Value ($000) $6,242 Shares 6,183,000 Est. Cost $1.19 Unrealized
NUVEEN CA QUALTY MUN INCOME 0.2%
Value ($000) $5,880 Shares 511,343 Est. Cost $11.44 Unrealized
VAIL RESORTS INC 0.2%
Value ($000) $5,678 Shares 5,759,000 Est. Cost $1.06 Unrealized
DROPBOX INC 0.2%
Value ($000) $5,636 Shares 5,713,000 Est. Cost $0.94 Unrealized
GLD SPDR GOLD TR 0.2%
Value ($000) $5,451 Shares 15,336 Est. Cost $112.08 Unrealized
BLACKROCK MUN INCOME QUALITY 0.2%
Value ($000) $5,252 Shares 479,613 Est. Cost $10.74 Unrealized
INTEGER HLDGS CORP 0.2%
Value ($000) $5,163 Shares 3,961,000 Est. Cost $1.45 Unrealized
SHIFT4 PMTS INC 0.2%
Value ($000) $4,903 Shares 4,779,000 Est. Cost $1.15 Unrealized
PEBBLEBROOK HOTEL TR 0.2%
Value ($000) $4,852 Shares 4,923,000 Est. Cost $1.17 Unrealized
BENTLEY SYS INC 0.2%
Value ($000) $4,605 Shares 4,661,000 Est. Cost $0.98 Unrealized
VOD VODAFONE GROUP PLC NEW 0.1%
Value ($000) $4,305 Shares 371,152 Est. Cost $8.90 Unrealized
BLACKROCK MUNIYILD QULT FD I 0.1%
Value ($000) $4,169 Shares 357,837 Est. Cost $16.64 Unrealized
XENWX EATON VANCE NEW YORK MUN BD 0.1%
Value ($000) $4,161 Shares 421,971 Est. Cost $14.03 Unrealized
ABRDN NATL MUN INCOME FD 0.1%
Value ($000) $4,121 Shares 401,695 Est. Cost $13.32 Unrealized
BLACKROCK MUNI INCOME TR II 0.1%
Value ($000) $3,803 Shares 363,951 Est. Cost $10.37 Unrealized
INVESCO TR INVT GRADE MUNS 0.1%
Value ($000) $3,746 Shares 370,162 Est. Cost $10.40 Unrealized
EXACT SCIENCES CORP 0.1%
Value ($000) $3,726 Shares 4,034,000 Est. Cost $1.17 Unrealized
INVESCO ADVANTAGE MUN INCOME 0.1%
Value ($000) $3,552 Shares 404,961 Est. Cost $8.88 Unrealized
IONIS PHARMACEUTICALS INC 0.1%
Value ($000) $3,455 Shares 2,816,000 Est. Cost $0.95 Unrealized
EATON VANCE MUN BD FD 0.1%
Value ($000) $3,169 Shares 318,814 Est. Cost $10.17 Unrealized
INVESCO MUNICIPAL TRUST 0.1%
Value ($000) $3,137 Shares 325,107 Est. Cost $10.15 Unrealized
INVESCO MUN OPPORTUNITY TR 0.1%
Value ($000) $2,976 Shares 307,705 Est. Cost $9.80 Unrealized
NUVEEN PENNSYLVANIA QLT MUN 0.1%
Value ($000) $2,800 Shares 233,310 Est. Cost $14.14 Unrealized
MFS MUN INCOME TR 0.1%
Value ($000) $2,335 Shares 433,155 Est. Cost $6.77 Unrealized
XBNYX BLACKROCK N Y MUN INCOME TRU 0.1%
Value ($000) $2,212 Shares 218,559 Est. Cost $11.76 Unrealized
DWS MUN INCOME TR NEW 0.0%
Value ($000) $1,200 Shares 130,807 Est. Cost $11.01 Unrealized
XBKNX BLACKROCK INVT QUALITY MUN T 0.0%
Value ($000) $1,044 Shares 92,077 Est. Cost $11.49 Unrealized
BLACKLINE INC 0.0%
Value ($000) $1,041 Shares 1,000,000 Est. Cost $1.07 Unrealized
INVESCO QUALITY MUN INCOME T 0.0%
Value ($000) $936 Shares 94,994 Est. Cost $9.92 Unrealized
SOUTHERN CO 0.0%
Value ($000) $738 Shares 655,000 Est. Cost $1.00 Unrealized
XMVTX BLACKROCK MUNIVEST FD II INC 0.0%
Value ($000) $698 Shares 65,678 Est. Cost $10.57 Unrealized
TPB TURNING PT BRANDS INC 0.0%
Value ($000) $672 Shares 6,802 Est. Cost $30.89 Unrealized +193.0%
PPL CAP FDG INC 0.0%
Value ($000) $575 Shares 503,000 Est. Cost $0.96 Unrealized
DUKE ENERGY CORP NEW 0.0%
Value ($000) $543 Shares 505,000 Est. Cost $1.00 Unrealized
WW WW INTL INC 0.0%
Value ($000) $393 Shares 14,371 Est. Cost $34.35 Unrealized 0.0%
INVESCO PA VALUE MUN INC TR 0.0%
Value ($000) $149 Shares 14,433 Est. Cost $12.71 Unrealized
BILL HOLDINGS INC 0.0%
Value ($000) $74 Shares 75,000 Est. Cost $1.71 Unrealized
NINEQ NINE ENERGY SERVICE INC 0.0%
Value ($000) $74 Shares 116,342 Est. Cost $10.34 Unrealized -93.1%
CHEGG INC 0.0%
Value ($000) $35 Shares 45,000 Est. Cost $0.99 Unrealized