MACKAY SHIELDS LLC Diversified Active

CIK: 0000061227 · Show all filings

Period: Q4 2025 (← Previous)

Filing Date: Jan 29, 2026

Total Value ($000): $2,857,443 (23.2% shares, 76.8% debt)

Holdings (132)

New Positions (10)

Exited Positions (14)

Decreased Positions (78)

HALOZYME THERAPEUTICS INC 0.2%
Value ($000) $5,645 (-90.3%) Shares 5,239,000 (-89.6%) Est. Cost $1.15 Unrealized
NUTANIX INC 0.2%
Value ($000) $5,092 (-90.9%) Shares 4,534,000 (-88.9%) Est. Cost $1.21 Unrealized
LUMENTUM HLDGS INC 3.0%
Value ($000) $85,335 (+100.9%) Shares 30,037,000 (-1.3%) Est. Cost $0.97 Unrealized
OSI SYSTEMS INC 0.2%
Value ($000) $6,706 (-85.8%) Shares 4,522,000 (-86.1%) Est. Cost $1.45 Unrealized
SEAGATE HDD CAYMAN 1.6%
Value ($000) $44,711 (-39.3%) Shares 13,293,000 (-48.0%) Est. Cost $1.44 Unrealized
WESTERN DIGITAL CORP 3.0%
Value ($000) $86,589 (+40.3%) Shares 18,882,000 (-1.8%) Est. Cost $1.32 Unrealized
IONIS PHARMACEUTICALS INC 0.6%
Value ($000) $16,573 (-57.0%) Shares 10,410,000 (-62.5%) Est. Cost $1.04 Unrealized
OIL STS INTL INC 0.1%
Value ($000) $4,150 (-80.6%) Shares 4,136,000 (-80.6%) Est. Cost $0.81 Unrealized
NUVEEN MUNICIPAL CREDIT INC 0.1%
Value ($000) $4,082 (-76.9%) Shares 324,502 (-76.9%) Est. Cost $12.32 Unrealized
ADVANCED ENERGY INDS 2.6%
Value ($000) $73,283 (+16.8%) Shares 44,638,000 (-1.2%) Est. Cost $1.05 Unrealized
LUMENTUM HLDGS INC 0.6%
Value ($000) $17,790 (+115.4%) Shares 4,796,000 (-2.3%) Est. Cost $1.22 Unrealized
GLOBAL PMTS INC 0.6%
Value ($000) $15,848 (-35.0%) Shares 17,619,000 (-33.6%) Est. Cost $0.95 Unrealized
PG&E CORP 1.9%
Value ($000) $52,988 (-13.5%) Shares 51,451,000 (-14.9%) Est. Cost $1.09 Unrealized
CONMED CORP 0.2%
Value ($000) $6,694 (-54.4%) Shares 6,973,000 (-54.7%) Est. Cost $1.10 Unrealized
AKAMAI TECHNOLOGIES INC 1.2%
Value ($000) $34,014 (-18.3%) Shares 33,859,000 (-22.1%) Est. Cost $1.10 Unrealized
MKS INC. 1.6%
Value ($000) $46,701 (+14.5%) Shares 36,548,000 (-1.7%) Est. Cost $0.99 Unrealized
TALO TALOS ENERGY INC 1.2%
Value ($000) $33,153 (+11.6%) Shares 3,008,435 (-2.9%) Est. Cost $32.68 Unrealized -68.0%
PARSONS CORP DEL 0.9%
Value ($000) $26,930 (-10.9%) Shares 26,133,000 (-1.2%) Est. Cost $1.01 Unrealized
NORTHERN OIL & GAS INC 1.0%
Value ($000) $29,026 (-9.8%) Shares 30,023,000 (-6.3%) Est. Cost $1.17 Unrealized
ALNYLAM PHARMACEUTICALS INC 0.8%
Value ($000) $21,847 (-12.6%) Shares 14,838,000 (-2.3%) Est. Cost $0.98 Unrealized
POST HLDGS INC 1.9%
Value ($000) $53,389 (-5.3%) Shares 49,514,000 (-1.2%) Est. Cost $1.03 Unrealized
APOLLO GLOBAL MGMT INC 1.9%
Value ($000) $53,912 (+5.7%) Shares 714,292 (-1.0%) Est. Cost $54.97 Unrealized
MIRUM PHARMACEUTICALS INC 2.3%
Value ($000) $65,983 (+4.6%) Shares 25,532,000 (-2.6%) Est. Cost $1.35 Unrealized
LIBERTY MEDIA CORP DEL 1.5%
Value ($000) $43,129 (-5.7%) Shares 34,036,000 (-1.2%) Est. Cost $0.99 Unrealized
INVESCO ADVANTAGE MUN INCOME 0.0%
Value ($000) $965 (-72.8%) Shares 105,768 (-73.9%) Est. Cost $8.88 Unrealized
AMPHASTAR PHARMACEUTICALS IN 0.3%
Value ($000) $8,096 (-23.4%) Shares 8,733,000 (-24.8%) Est. Cost $1.06 Unrealized
MERITAGE HOMES CORP 1.3%
Value ($000) $35,922 (-5.6%) Shares 36,370,000 (-1.8%) Est. Cost $0.97 Unrealized
PATRICK INDS INC 1.3%
Value ($000) $35,984 (-5.2%) Shares 21,148,000 (-9.4%) Est. Cost $0.91 Unrealized
FLUOR CORP 1.1%
Value ($000) $30,013 (-5.5%) Shares 26,298,000 (-1.6%) Est. Cost $1.31 Unrealized
NUVEEN NEW YORK AMT QLT MUNI 0.2%
Value ($000) $6,469 (-20.5%) Shares 641,105 (-19.6%) Est. Cost $12.77 Unrealized
HEWLETT PACKARD ENTERPRISE C 1.4%
Value ($000) $39,620 (-3.9%) Shares 597,863 (-1.2%) Est. Cost $54.39 Unrealized
VERTEX INC 0.6%
Value ($000) $17,215 (-7.9%) Shares 18,123,000 (-1.1%) Est. Cost $1.20 Unrealized
ETSY INC 1.3%
Value ($000) $37,492 (-3.8%) Shares 37,045,000 (-1.2%) Est. Cost $1.05 Unrealized
NCL CORP LTD 1.4%
Value ($000) $38,891 (-3.6%) Shares 38,891,000 (-1.1%) Est. Cost $0.93 Unrealized
ON SEMICONDUCTOR CORP 1.6%
Value ($000) $46,968 (+3.0%) Shares 39,380,000 (-1.5%) Est. Cost $1.19 Unrealized
SHIFT4 PMTS INC 1.3%
Value ($000) $38,051 (-3.3%) Shares 39,492,000 (-1.0%) Est. Cost $1.08 Unrealized
WBD WARNER BROS DISCOVERY INC 0.2%
Value ($000) $6,521 (-16.5%) Shares 226,250 (-43.4%) Est. Cost $13.62 Unrealized +71.6%
CHEFS WHSE INC 1.3%
Value ($000) $36,156 (+3.7%) Shares 23,784,000 (-1.3%) Est. Cost $1.01 Unrealized
WELLS FARGO CO NEW 0.6%
Value ($000) $17,966 (-5.9%) Shares 14,770 (-4.1%) Est. Cost $1489.39 Unrealized
GPOR GULFPORT ENERGY CORP 0.8%
Value ($000) $22,586 (-4.7%) Shares 108,592 (-17.1%) Est. Cost $170.19 Unrealized +17.1%
INVESCO MUN OPPORTUNITY TR 0.1%
Value ($000) $1,965 (-34.0%) Shares 205,338 (-33.3%) Est. Cost $9.80 Unrealized
Q2 HLDGS INC 0.9%
Value ($000) $25,862 (-3.7%) Shares 25,530,000 (-1.2%) Est. Cost $1.18 Unrealized
INTEGER HLDGS CORP 0.1%
Value ($000) $4,194 (-18.8%) Shares 3,726,000 (-5.9%) Est. Cost $1.45 Unrealized
JAZZ INVESTMENTS I LTD 0.5%
Value ($000) $15,178 (+6.6%) Shares 13,087,000 (-2.1%) Est. Cost $1.02 Unrealized
LIVE NATION ENTERTAINMENT IN 0.2%
Value ($000) $6,959 (-11.7%) Shares 4,789,000 (-2.0%) Est. Cost $1.20 Unrealized
MICROCHIP TECHNOLOGY INC. 1.2%
Value ($000) $35,139 (-2.5%) Shares 601,474 (-1.3%) Est. Cost $52.97 Unrealized
BOEING CO 2.0%
Value ($000) $57,663 (-1.5%) Shares 830,097 (-1.4%) Est. Cost $63.28 Unrealized
DROPBOX INC 0.9%
Value ($000) $24,578 (-3.5%) Shares 24,323,000 (-1.2%) Est. Cost $0.95 Unrealized
BLACKROCK MUN TARGET TERM TR 1.1%
Value ($000) $31,129 (-2.4%) Shares 1,364,127 (-3.9%) Est. Cost $24.19 Unrealized
FRESHPET INC 0.9%
Value ($000) $25,002 (+2.9%) Shares 21,347,000 (-1.0%) Est. Cost $1.13 Unrealized
INVESCO TR INVT GRADE MUNS 0.1%
Value ($000) $3,200 (-14.6%) Shares 308,543 (-16.6%) Est. Cost $10.40 Unrealized
CLOUDFLARE INC 0.2%
Value ($000) $6,709 (-7.4%) Shares 5,715,000 (-1.7%) Est. Cost $1.01 Unrealized
WEC ENERGY GROUP INC 0.2%
Value ($000) $6,223 (-7.9%) Shares 5,334,000 (-3.2%) Est. Cost $1.23 Unrealized
MFS MUN INCOME TR 0.1%
Value ($000) $1,844 (-21.0%) Shares 339,657 (-21.6%) Est. Cost $6.77 Unrealized
QXO INC 2.3%
Value ($000) $65,023 (-0.7%) Shares 1,171,159 (-1.3%) Est. Cost $60.15 Unrealized
CHEESECAKE FACTORY INC 0.5%
Value ($000) $15,278 (-2.9%) Shares 15,451,000 (-2.3%) Est. Cost $0.98 Unrealized
SOUTHERN CO 0.2%
Value ($000) $5,973 (-6.3%) Shares 5,598,000 (-2.4%) Est. Cost $1.11 Unrealized
BLACKLINE INC 0.0%
Value ($000) $671 (-35.5%) Shares 635,000 (-36.5%) Est. Cost $1.07 Unrealized
DWS MUN INCOME TR NEW 0.0%
Value ($000) $841 (-29.9%) Shares 92,505 (-29.3%) Est. Cost $11.01 Unrealized
HAEMONETICS CORP MASS 0.3%
Value ($000) $8,405 (-4.1%) Shares 8,498,000 (-5.0%) Est. Cost $0.83 Unrealized
IAU ISHARES GOLD TR 1.3%
Value ($000) $38,556 (+0.9%) Shares 475,000 (-9.5%) Est. Cost $33.71 Unrealized
IONIS PHARMACEUTICALS INC 0.1%
Value ($000) $3,792 (+9.8%) Shares 2,768,000 (-1.7%) Est. Cost $0.95 Unrealized
FIVE9 INC 0.4%
Value ($000) $11,557 (-2.5%) Shares 12,805,000 (-4.0%) Est. Cost $0.86 Unrealized
VAIL RESORTS INC 0.2%
Value ($000) $5,397 (-5.0%) Shares 5,408,000 (-6.1%) Est. Cost $1.06 Unrealized
BENTLEY SYS INC 0.2%
Value ($000) $4,338 (-5.8%) Shares 4,346,000 (-6.8%) Est. Cost $0.98 Unrealized
MGP INGREDIENTS INC NEW 0.5%
Value ($000) $13,781 (-1.8%) Shares 14,222,000 (-3.0%) Est. Cost $1.26 Unrealized
WORKIVA INC 0.6%
Value ($000) $16,669 (-1.2%) Shares 16,850,000 (-1.3%) Est. Cost $0.95 Unrealized
BLACKROCK MUNIYIELD FD INC 0.3%
Value ($000) $7,315 (-2.7%) Shares 697,362 (-2.1%) Est. Cost $10.68 Unrealized
BIOMARIN PHARMACEUTICAL INC 1.2%
Value ($000) $33,269 (-0.5%) Shares 34,655,000 (-1.6%) Est. Cost $1.02 Unrealized
BLACKROCK MUNIYIELD QUALITY 0.4%
Value ($000) $10,136 (-1.6%) Shares 1,008,573 (-1.8%) Est. Cost $12.87 Unrealized
PROGRESS SOFTWARE CORP 1.0%
Value ($000) $29,041 (-0.5%) Shares 28,642,000 (-1.1%) Est. Cost $1.08 Unrealized
ARES MANAGEMENT CORPORATION 0.8%
Value ($000) $23,909 (-0.6%) Shares 473,045 (-1.6%) Est. Cost $56.05 Unrealized
BLACKROCK MUNIVEST FD INC 0.3%
Value ($000) $8,263 (-1.6%) Shares 1,192,311 (-2.6%) Est. Cost $7.10 Unrealized
SPECTRUM BRANDS INC 0.3%
Value ($000) $7,450 (-1.6%) Shares 7,857,000 (-3.3%) Est. Cost $0.91 Unrealized
NUVEEN PENNSYLVANIA QLT MUN 0.1%
Value ($000) $2,725 (-2.7%) Shares 229,220 (-1.8%) Est. Cost $14.14 Unrealized
DROPBOX INC 0.2%
Value ($000) $5,577 (-1.0%) Shares 5,630,000 (-1.5%) Est. Cost $0.94 Unrealized
FORD MTR CO 1.1%
Value ($000) $31,315 (+0.2%) Shares 30,093,000 (-2.2%) Est. Cost $1.15 Unrealized
DEXCOM INC 1.2%
Value ($000) $33,980 (-0.1%) Shares 36,913,000 (-1.0%) Est. Cost $0.94 Unrealized

Unchanged Positions (37)

UBER TECHNOLOGIES INC 1.9%
Value ($000) $55,404 Shares 42,644,000 Est. Cost $1.12 Unrealized
RIVIAN AUTOMOTIVE INC 0.8%
Value ($000) $23,392 Shares 18,581,000 Est. Cost $0.82 Unrealized
BRIDGEBIO PHARMA INC 1.1%
Value ($000) $32,299 Shares 28,678,000 Est. Cost $0.84 Unrealized
TYLER TEX INDPT SCH DIST 1.1%
Value ($000) $30,728 Shares 30,319,000 Est. Cost $1.23 Unrealized
BURLINGTON STORES INC 1.1%
Value ($000) $30,283 Shares 20,379,000 Est. Cost $1.41 Unrealized
LIBERTY MEDIA CORP DEL 1.0%
Value ($000) $29,767 Shares 29,575,000 Est. Cost $1.23 Unrealized
NEXTERA ENERGY INC 0.8%
Value ($000) $23,951 Shares 463,345 Est. Cost $49.98 Unrealized
GLD SPDR GOLD TR 0.2%
Value ($000) $6,078 Shares 15,336 Est. Cost $112.08 Unrealized
EXPEDIA GROUP INC 0.2%
Value ($000) $6,857 Shares 6,133,000 Est. Cost $1.19 Unrealized
IMPINJ INC 0.6%
Value ($000) $16,139 Shares 9,890,000 Est. Cost $1.20 Unrealized
BLACKROCK MUNIHLDGS NJ QLTY 0.5%
Value ($000) $14,671 Shares 1,232,873 Est. Cost $13.30 Unrealized
BLACKROCK MUNIYIELD MICH QU 0.3%
Value ($000) $7,805 Shares 664,819 Est. Cost $14.50 Unrealized
CABLE ONE INC 0.9%
Value ($000) $24,663 Shares 24,975,000 Est. Cost $0.84 Unrealized
NEUBERGER MUN FD INC 0.4%
Value ($000) $12,484 Shares 1,233,578 Est. Cost $10.29 Unrealized
BLACKROCK MUNIHLDNGS CALI QL 0.4%
Value ($000) $10,402 Shares 981,326 Est. Cost $10.75 Unrealized
RAPID7 INC 0.4%
Value ($000) $11,699 Shares 12,790,000 Est. Cost $0.94 Unrealized
TELADOC HEALTH INC 0.5%
Value ($000) $14,510 Shares 15,194,000 Est. Cost $1.12 Unrealized
BLACKROCK MUNIYILD QULT FD I 0.1%
Value ($000) $4,044 Shares 357,837 Est. Cost $16.64 Unrealized
GREENBRIER COS INC 0.7%
Value ($000) $20,517 Shares 19,032,000 Est. Cost $0.94 Unrealized
EATON VANCE MUN BD FD 0.1%
Value ($000) $3,102 Shares 318,814 Est. Cost $10.17 Unrealized
TPB TURNING PT BRANDS INC 0.0%
Value ($000) $737 Shares 6,802 Est. Cost $30.89 Unrealized +216.5%
DUKE ENERGY CORP NEW 0.0%
Value ($000) $516 Shares 500,000 Est. Cost $1.00 Unrealized
WW WW INTL INC 0.0%
Value ($000) $420 Shares 14,371 Est. Cost $34.35 Unrealized -18.6%
PPL CAP FDG INC 0.0%
Value ($000) $549 Shares 500,000 Est. Cost $0.96 Unrealized
BLACKROCK MUNIYIELD N Y QUAL 0.4%
Value ($000) $11,636 Shares 1,174,171 Est. Cost $11.54 Unrealized
BLACKROCK MUNIHOLDINGS FD IN 0.9%
Value ($000) $25,432 Shares 2,166,270 Est. Cost $13.19 Unrealized
BLACKROCK MUN INCOME TR 0.3%
Value ($000) $8,363 Shares 833,784 Est. Cost $10.08 Unrealized
BLACKROCK INVT QUALITY MUN T 0.0%
Value ($000) $1,031 Shares 92,077 Est. Cost $11.49 Unrealized
BLACKROCK MUNIHLDGS NY QLTY 0.4%
Value ($000) $12,189 Shares 1,191,469 Est. Cost $13.39 Unrealized
BLACKROCK MUNIVEST FD II INC 0.0%
Value ($000) $710 Shares 65,678 Est. Cost $10.57 Unrealized
BLACKROCK MUN INCOME QUALITY 0.2%
Value ($000) $5,247 Shares 479,613 Est. Cost $10.74 Unrealized
CHEGG INC 0.0%
Value ($000) $40 Shares 45,000 Est. Cost $0.99 Unrealized
XBNYX BLACKROCK N Y MUN INCOME TRU 0.1%
Value ($000) $2,216 Shares 218,559 Est. Cost $11.76 Unrealized
ABRDN NATL MUN INCOME FD 0.1%
Value ($000) $4,125 Shares 401,695 Est. Cost $13.32 Unrealized
BLACKROCK MUNI INCOME TR II 0.1%
Value ($000) $3,800 Shares 363,951 Est. Cost $10.37 Unrealized
INVESCO PA VALUE MUN INC TR 0.0%
Value ($000) $151 Shares 14,433 Est. Cost $12.71 Unrealized
INVESCO MUNICIPAL TRUST 0.1%
Value ($000) $3,137 Shares 325,107 Est. Cost $10.15 Unrealized