The Analysis of MACKAY SHIELDS LLC's Holdings


Currently, MACKAY SHIELDS LLC holds 132 types of securities in its portfolio with a total value $2.9B. In the most recent quarter, they have increased their positions in N/A (+33.8M shares, valued at $33.8M), N/A (+29.7M shares, valued at $31.3M), N/A (+29.6M shares, valued at $28.6M); decreased their positions in N/A (-45.3M shares, valued at $48.8M), N/A (-28.0M shares, valued at $41.5M), N/A (-12.3M shares, valued at $41.3M); initiated new positions in N/A (+33.8M shares, valued at $33.8M), N/A (+29.7M shares, valued at $31.3M), N/A (+29.6M shares, valued at $28.6M).


Top Holding Treemap

Stock Holdings
TickerCompany NameSharesShares â–ŗ%Event DateReport DateHistory
WESTERN DIGITAL CORP WESTERN DIGITAL CORP18.9M shares-1.80%2025-12-312026-01-29history
LUMENTUM HLDGS INC LUMENTUM HLDGS INC30.0M shares-1.34%2025-12-312026-01-29history
ADVANCED ENERGY INDS ADVANCED ENERGY INDS44.6M shares-1.19%2025-12-312026-01-29history
MIRUM PHARMACEUTICALS INC MIRUM PHARMACEUTICALS INC25.5M shares-2.62%2025-12-312026-01-29history
LANTHEUS HLDGS INC LANTHEUS HLDGS INC56.7M shares1.87%2025-12-312026-01-29history
QXO-PB QXO INC1.2M shares-1.26%2025-12-312026-01-29history
TETRA TECH INC NEW TETRA TECH INC NEW59.6M shares1.75%2025-12-312026-01-29history
BA-PA BOEING CO830.1K shares-1.41%2025-12-312026-01-29history
Sponsored
CABLE ONE INC CABLE ONE INC69.4M shares2.93%2025-12-312026-01-29history
UBER TECHNOLOGIES INC UBER TECHNOLOGIES INC42.6M shares-0.81%2025-12-312026-01-29history
APO-PA APOLLO GLOBAL MGMT INC714.3K shares-1.05%2025-12-312026-01-29history
POST HLDGS INC POST HLDGS INC49.5M shares-1.21%2025-12-312026-01-29history
PG&E CORP PG&E CORP51.5M shares-14.87%2025-12-312026-01-29history
ON SEMICONDUCTOR CORP ON SEMICONDUCTOR CORP39.4M shares-1.50%2025-12-312026-01-29history
MKS INC. MKS INC.36.5M shares-1.71%2025-12-312026-01-29history
IRHYTHM TECHNOLOGIES INC IRHYTHM TECHNOLOGIES INC32.7M shares5.92%2025-12-312026-01-29history
Sponsored
SEAGATE HDD CAYMAN SEAGATE HDD CAYMAN13.3M shares-48.01%2025-12-312026-01-29history
SNOWFLAKE INC SNOWFLAKE INC29.9M shares13.16%2025-12-312026-01-29history
LIBERTY MEDIA CORP DEL LIBERTY MEDIA CORP DEL34.0M shares-1.15%2025-12-312026-01-29history
HPE-PC HEWLETT PACKARD ENTERPRISE C597.9K shares-1.21%2025-12-312026-01-29history
NCL CORP LTD NCL CORP LTD38.9M shares-1.07%2025-12-312026-01-29history
ISHARES GOLD TR ISHARES GOLD TR475.0K shares-9.52%2025-12-312026-01-29history
SHIFT4 PMTS INC SHIFT4 PMTS INC39.5M shares-1.02%2025-12-312026-01-29history
ETSY INC ETSY INC37.0M shares-1.19%2025-12-312026-01-29history
Sponsored
CHEFS WHSE INC CHEFS WHSE INC23.8M shares-1.31%2025-12-312026-01-29history
PATRICK INDS INC PATRICK INDS INC21.1M shares-9.44%2025-12-312026-01-29history
MERITAGE HOMES CORP MERITAGE HOMES CORP36.4M shares-1.77%2025-12-312026-01-29history
MCHPP MICROCHIP TECHNOLOGY INC.601.5K shares-1.26%2025-12-312026-01-29history
AKAMAI TECHNOLOGIES INC AKAMAI TECHNOLOGIES INC33.9M shares-22.06%2025-12-312026-01-29history
DEXCOM INC DEXCOM INC36.9M shares-1.01%2025-12-312026-01-29history
DATADOG INC DATADOG INC33.8M sharesnew addition2025-12-312026-01-29history
BIOMARIN PHARMACEUTICAL INC BIOMARIN PHARMACEUTICAL INC34.7M shares-1.57%2025-12-312026-01-29history
Sponsored
TALO TALOS ENERGY INC3.0M shares-2.90%2025-12-312026-01-29history
BRIDGEBIO PHARMA INC BRIDGEBIO PHARMA INC28.7M shares-0.84%2025-12-312026-01-29history
FORD MTR CO FORD MTR CO30.1M shares-2.22%2025-12-312026-01-29history
LIVE NATION ENTERTAINMENT IN LIVE NATION ENTERTAINMENT IN29.7M sharesnew addition2025-12-312026-01-29history
BTT BLACKROCK MUN TARGET TERM TR1.4M shares-3.93%2025-12-312026-01-29history
TYLER TEX INDPT SCH DIST TYLER TEX INDPT SCH DIST30.3M shares-0.99%2025-12-312026-01-29history
BURLINGTON STORES INC BURLINGTON STORES INC20.4M shares-0.89%2025-12-312026-01-29history
FLUOR CORP FLUOR CORP26.3M shares-1.62%2025-12-312026-01-29history
Sponsored
LIBERTY MEDIA CORP DEL LIBERTY MEDIA CORP DEL29.6M shares-0.87%2025-12-312026-01-29history
PROGRESS SOFTWARE CORP PROGRESS SOFTWARE CORP28.6M shares-1.11%2025-12-312026-01-29history
NORTHERN OIL & GAS INC NORTHERN OIL & GAS INC30.0M shares-6.27%2025-12-312026-01-29history
NUTANIX INC NUTANIX INC29.6M sharesnew addition2025-12-312026-01-29history
GUIDEWIRE SOFTWARE INC GUIDEWIRE SOFTWARE INC25.1M sharesnew addition2025-12-312026-01-29history
PARSONS CORP DEL PARSONS CORP DEL26.1M shares-1.16%2025-12-312026-01-29history
AFFIRM HLDGS INC AFFIRM HLDGS INC24.3M sharesnew addition2025-12-312026-01-29history
BAC-PL BANK AMERICA CORP20.9K shares19.01%2025-12-312026-01-29history
Sponsored
Q2 HLDGS INC Q2 HLDGS INC25.5M shares-1.16%2025-12-312026-01-29history
MHD BLACKROCK MUNIHOLDINGS FD IN2.2M shares0.00%2025-12-312026-01-29history
FRESHPET INC FRESHPET INC21.3M shares-1.04%2025-12-312026-01-29history
CABLE ONE INC CABLE ONE INC25.0M shares0.00%2025-12-312026-01-29history
DROPBOX INC DROPBOX INC24.3M shares-1.18%2025-12-312026-01-29history
NEE-PS NEXTERA ENERGY INC463.3K shares-0.46%2025-12-312026-01-29history
ARES-PB ARES MANAGEMENT CORPORATION473.0K shares-1.63%2025-12-312026-01-29history
RIVIAN AUTOMOTIVE INC RIVIAN AUTOMOTIVE INC18.6M shares-0.98%2025-12-312026-01-29history
Sponsored
GPOR GULFPORT ENERGY CORP108.6K shares-17.08%2025-12-312026-01-29history
UPSTART HLDGS INC UPSTART HLDGS INC25.2M sharesnew addition2025-12-312026-01-29history
ALNYLAM PHARMACEUTICALS INC ALNYLAM PHARMACEUTICALS INC14.8M shares-2.30%2025-12-312026-01-29history
GREENBRIER COS INC GREENBRIER COS INC19.0M shares-0.90%2025-12-312026-01-29history
WFC-PL WELLS FARGO CO NEW14.8K shares-4.12%2025-12-312026-01-29history
LUMENTUM HLDGS INC LUMENTUM HLDGS INC4.8M shares-2.30%2025-12-312026-01-29history
VERTEX INC VERTEX INC18.1M shares-1.09%2025-12-312026-01-29history
SYNAPTICS INC SYNAPTICS INC16.2M sharesnew addition2025-12-312026-01-29history
Sponsored
WORKIVA INC WORKIVA INC16.9M shares-1.29%2025-12-312026-01-29history
IONIS PHARMACEUTICALS INC IONIS PHARMACEUTICALS INC10.4M shares-62.54%2025-12-312026-01-29history
IMPINJ INC IMPINJ INC9.9M shares-0.75%2025-12-312026-01-29history
GLOBAL PMTS INC GLOBAL PMTS INC17.6M shares-33.65%2025-12-312026-01-29history
CHEESECAKE FACTORY INC CHEESECAKE FACTORY INC15.5M shares-2.27%2025-12-312026-01-29history
JAZZ INVESTMENTS I LTD JAZZ INVESTMENTS I LTD13.1M shares-2.09%2025-12-312026-01-29history
MUJ BLACKROCK MUNIHLDGS NJ QLTY1.2M shares0.00%2025-12-312026-01-29history
TELADOC HEALTH INC TELADOC HEALTH INC15.2M shares-0.78%2025-12-312026-01-29history
Sponsored
BILL HOLDINGS INC BILL HOLDINGS INC15.1M sharesnew addition2025-12-312026-01-29history
MGP INGREDIENTS INC NEW MGP INGREDIENTS INC NEW14.2M shares-2.99%2025-12-312026-01-29history
NBH NEUBERGER MUN FD INC1.2M shares0.00%2025-12-312026-01-29history
MHN BLACKROCK MUNIHLDGS NY QLTY1.2M shares0.00%2025-12-312026-01-29history
RAPID7 INC RAPID7 INC12.8M shares-0.89%2025-12-312026-01-29history
MYN BLACKROCK MUNIYIELD N Y QUAL1.2M shares0.00%2025-12-312026-01-29history
FIVE9 INC FIVE9 INC12.8M shares-4.05%2025-12-312026-01-29history
AEROVIRONMENT INC AEROVIRONMENT INC10.2M shares1.21%2025-12-312026-01-29history
Sponsored
MUC BLACKROCK MUNIHLDNGS CALI QL981.3K shares0.00%2025-12-312026-01-29history
MQT BLACKROCK MUNIYIELD QUALITY1.0M shares-1.78%2025-12-312026-01-29history
HAEMONETICS CORP MASS HAEMONETICS CORP MASS8.5M shares-5.04%2025-12-312026-01-29history
BFK BLACKROCK MUN INCOME TR833.8K shares0.00%2025-12-312026-01-29history
MVF BLACKROCK MUNIVEST FD INC1.2M shares-2.58%2025-12-312026-01-29history
AMPHASTAR PHARMACEUTICALS IN AMPHASTAR PHARMACEUTICALS IN8.7M shares-24.78%2025-12-312026-01-29history
MIY BLACKROCK MUNIYIELD MICH QU664.8K shares0.00%2025-12-312026-01-29history
SPECTRUM BRANDS INC SPECTRUM BRANDS INC7.9M shares-3.33%2025-12-312026-01-29history
Sponsored
MYD BLACKROCK MUNIYIELD FD INC697.4K shares-2.07%2025-12-312026-01-29history
LIVE NATION ENTERTAINMENT IN LIVE NATION ENTERTAINMENT IN4.8M shares-1.97%2025-12-312026-01-29history
EXPEDIA GROUP INC EXPEDIA GROUP INC6.1M shares-0.81%2025-12-312026-01-29history
CLOUDFLARE INC CLOUDFLARE INC5.7M shares-1.74%2025-12-312026-01-29history
OSI SYSTEMS INC OSI SYSTEMS INC4.5M shares-86.10%2025-12-312026-01-29history
CONMED CORP CONMED CORP7.0M shares-54.72%2025-12-312026-01-29history
WBD WARNER BROS DISCOVERY INC226.3K shares-43.44%2025-12-312026-01-29history
NRK NUVEEN NEW YORK AMT QLT MUNI641.1K shares-19.62%2025-12-312026-01-29history
Sponsored
WEC ENERGY GROUP INC WEC ENERGY GROUP INC5.3M shares-3.16%2025-12-312026-01-29history
GLD SPDR GOLD TR15.3K shares0.00%2025-12-312026-01-29history
SOUTHERN CO SOUTHERN CO5.6M shares-2.41%2025-12-312026-01-29history
HALOZYME THERAPEUTICS INC HALOZYME THERAPEUTICS INC5.2M shares-89.63%2025-12-312026-01-29history
DROPBOX INC DROPBOX INC5.6M shares-1.45%2025-12-312026-01-29history
VAIL RESORTS INC VAIL RESORTS INC5.4M shares-6.09%2025-12-312026-01-29history
BYM BLACKROCK MUN INCOME QUALITY479.6K shares0.00%2025-12-312026-01-29history
NUTANIX INC NUTANIX INC4.5M shares-88.85%2025-12-312026-01-29history
Sponsored
BENTLEY SYS INC BENTLEY SYS INC4.3M shares-6.76%2025-12-312026-01-29history
INTEGER HLDGS CORP INTEGER HLDGS CORP3.7M shares-5.93%2025-12-312026-01-29history
OIL STS INTL INC OIL STS INTL INC4.1M shares-80.60%2025-12-312026-01-29history
VFL ABRDN NATL MUN INCOME FD401.7K shares0.00%2025-12-312026-01-29history
NZF NUVEEN MUNICIPAL CREDIT INC324.5K shares-76.93%2025-12-312026-01-29history
MQY BLACKROCK MUNIYILD QULT FD I357.8K shares0.00%2025-12-312026-01-29history
BLE BLACKROCK MUNI INCOME TR II364.0K shares0.00%2025-12-312026-01-29history
IONIS PHARMACEUTICALS INC IONIS PHARMACEUTICALS INC2.8M shares-1.70%2025-12-312026-01-29history
Sponsored
VGM INVESCO TR INVT GRADE MUNS308.5K shares-16.65%2025-12-312026-01-29history
VKQ INVESCO MUNICIPAL TRUST325.1K shares0.00%2025-12-312026-01-29history
EIM EATON VANCE MUN BD FD318.8K shares0.00%2025-12-312026-01-29history
NQP NUVEEN PENNSYLVANIA QLT MUN229.2K shares-1.75%2025-12-312026-01-29history
BNY BLACKROCK N Y MUN INCOME TRU218.6K shares0.00%2025-12-312026-01-29history
VMO INVESCO MUN OPPORTUNITY TR205.3K shares-33.27%2025-12-312026-01-29history
MFM MFS MUN INCOME TR339.7K shares-21.59%2025-12-312026-01-29history
CWB SPDR SERIES TRUST13.6K sharesnew addition2025-12-312026-01-29history
Sponsored
BKN BLACKROCK INVT QUALITY MUN T92.1K shares0.00%2025-12-312026-01-29history
VKI INVESCO ADVANTAGE MUN INCOME105.8K shares-73.88%2025-12-312026-01-29history
KTF DWS MUN INCOME TR NEW92.5K shares-29.28%2025-12-312026-01-29history
TPB TURNING PT BRANDS INC6.8K shares0.00%2025-12-312026-01-29history
MVT BLACKROCK MUNIVEST FD II INC65.7K shares0.00%2025-12-312026-01-29history
BLACKLINE INC BLACKLINE INC635.0K shares-36.50%2025-12-312026-01-29history
PPL CAP FDG INC PPL CAP FDG INC500.0K shares-0.60%2025-12-312026-01-29history
DUKE ENERGY CORP NEW DUKE ENERGY CORP NEW500.0K shares-0.99%2025-12-312026-01-29history
Sponsored
WW INTL INC WW INTL INC14.4K shares0.00%2025-12-312026-01-29history
SECR NEW YORK LIFE INVTS ACTIVE E11.1K sharesnew addition2025-12-312026-01-29history
VPV INVESCO PA VALUE MUN INC TR14.4K shares0.00%2025-12-312026-01-29history
CHEGG INC CHEGG INC45.0K shares0.00%2025-12-312026-01-29history

Call Option Holdings
No call option holdings data available

Put Option Holdings
No put option holdings data available