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Mackay Shields LLC Top Holdings and 13F Report (2025)

About Mackay Shields LLC

Investment Activity

  • Mackay Shields LLC has $3.39 billion in total holdings as of December 31, 2024.
  • Mackay Shields LLC owns shares of 147 different stocks, but just 64 companies or ETFs make up 80% of its holdings.
  • Approximately 9.42% of the portfolio was purchased this quarter.
  • About 15.70% of the portfolio was sold this quarter.
  • This quarter, Mackay Shields LLC has purchased 144 new stocks and bought additional shares in 6 stocks.
  • Mackay Shields LLC sold shares of 72 stocks and completely divested from 8 stocks this quarter.

Largest Holdings

TETRA TECH INC NEW
$75,430,556
LANTHEUS HLDGS INC
$74,750,173
NRG ENERGY INC
$73,256,483
POST HLDGS INC
$69,261,337
INTEGER HLDGS CORP
$67,899,936

Largest New Holdings this Quarter

PG&E CORP
$66,437,722 Holding
SHIFT4 PMTS INC
$43,200,000 Holding
UBER TECHNOLOGIES INC
$42,001,050 Holding
BOEING CO
$38,568,600 Holding
LUMENTUM HLDGS INC
$29,085,001 Holding

Largest Purchases this Quarter

PG&E CORP
61,006,000 shares (about $66.44M)
SHIFT4 PMTS INC
40,000,000 shares (about $43.20M)
UBER TECHNOLOGIES INC
38,010,000 shares (about $42.00M)
BOEING CO
627,351 shares (about $38.57M)
LUMENTUM HLDGS INC
30,000,000 shares (about $29.09M)

Largest Sales this Quarter

LUMENTUM HLDGS INC
54,846,000 shares (about $60.22M)
LIVE NATION ENTERTAINMENT IN
35,152,000 shares (about $47.83M)
SHIFT4 PMTS INC
31,244,000 shares (about $41.96M)
Gulfport Energy
179,003 shares (about $32.97M)
Danaher
73,505 shares (about $16.87M)

Sector Allocation Over Time

Map of 500 Largest Holdings ofMackay Shields LLC

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
TETRA TECH INC NEW
$75,430,556$956,769 ▼-1.3%64,096,0002.2%DBCV 2.250% 8/1
LANTHEUS HLDGS INC
$74,750,173$420,350 ▼-0.6%56,016,0002.2%NOTE 2.625%12/1
NRG ENERGY INC
$73,256,483$344,814 ▼-0.5%33,355,0002.2%DBCV 2.750% 6/0
POST HLDGS INC
$69,261,337$424,902 ▼-0.6%59,008,0002.0%NOTE 2.500% 8/1
INTEGER HLDGS CORP
$67,899,936$467,922 ▼-0.7%42,372,0002.0%NOTE 2.125% 2/1
PG&E CORP
$66,437,722$66,437,722 ▲New Holding61,006,0002.0%NOTE 4.250%12/0
NICE LTD
$65,933,348$1,204,626 ▼-1.8%68,581,0001.9%NOTE 9/1
SOUTHWEST AIRLS CO
$64,688,656$638,605 ▼-1.0%62,804,0001.9%NOTE 1.250% 5/0
APOLLO GLOBAL MGMT INC
$63,954,591$567,119 ▼-0.9%733,5761.9%SER A MAND CNV
BOOKING HOLDINGS INC
$58,987,1470.0%22,323,0001.7%NOTE 0.750% 5/0
BIOMARIN PHARMACEUTICAL INC
$57,505,172$10,089,787 ▼-14.9%61,741,0001.7%NOTE 1.250% 5/1
PATRICK INDS INC
$57,182,128$610,874 ▼-1.1%41,936,0001.7%NOTE 1.750%12/0
FORD MTR CO
$56,792,802$10,507,299 ▼-15.6%58,510,0001.7%NOTE 3/1
ON SEMICONDUCTOR CORP
$53,190,117$389,263 ▼-0.7%56,297,0001.6%NOTE 0.500% 3/0
PALO ALTO NETWORKS INC
$51,096,886$263,650 ▼-0.5%13,954,0001.5%NOTE 0.375% 6/0
CHEFS WHSE INC
$50,909,298$454,593 ▼-0.9%39,532,0001.5%NOTE 2.375%12/1
CONMED CORP
$50,806,386$794,446 ▼-1.5%54,615,0001.5%NOTE 2.250% 6/1
NEXTERA ENERGY INC
$50,165,066$868,192 ▼-1.7%1,216,8111.5%UNIT 09/01/2025
NUTANIX INC
$49,987,921$357,645 ▼-0.7%41,232,0001.5%NOTE 0.250%10/0
HALOZYME THERAPEUTICS INC
$47,681,056$397,657 ▼-0.8%44,125,0001.4%NOTE 1.000% 8/1
NCL CORP LTD
$46,925,7020.0%45,148,0001.4%NOTE 1.125% 2/1
Nuveen AMT-Free Quality Municipal Income Fund stock logo
NEA
Nuveen AMT-Free Quality Municipal Income Fund
$45,582,491$417,146 ▲0.9%4,041,0011.3%Financial Services
CABLE ONE INC
$44,420,200$268,938 ▲0.6%53,680,0001.3%NOTE 1.125% 3/1
ADVANCED ENERGY INDS
$43,904,4080.0%40,132,0001.3%NOTE 2.500% 9/1
MGP INGREDIENTS INC NEW
$43,529,860$674,838 ▼-1.5%46,830,0001.3%NOTE 1.875%11/1
SHIFT4 PMTS INC
$43,200,000$43,200,000 ▲New Holding40,000,0001.3%NOTE 0.500% 8/0
LIBERTY MEDIA CORP DEL
$42,933,253$437,033 ▼-1.0%35,071,0001.3%NOTE 2.250% 8/1
MIRUM PHARMACEUTICALS INC
$42,809,164$8,064,676 ▼-15.9%28,054,0001.3%NOTE 4.000% 5/0
UBER TECHNOLOGIES INC
$42,001,050$42,001,050 ▲New Holding38,010,0001.2%NOTE 0.875%12/0
DATADOG INC
$39,420,489$459,425 ▼-1.2%25,398,0001.2%NOTE 0.125% 6/1
DEXCOM INC
$39,018,584$860,470 ▼-2.2%40,403,0001.2%NOTE 0.250%11/1
BOEING CO
$38,568,600$38,568,600 ▲New Holding627,3511.1%DEP CONV PFD A
AKAMAI TECHNOLOGIES INC
$38,194,0940.0%37,955,0001.1%NOTE 0.375% 9/0
PERMIAN RESOURCES CORP
$38,185,1460.0%15,149,0001.1%NOTE 3.250% 4/0
NORTHERN OIL & GAS INC
$38,050,573$557,530 ▼-1.4%32,418,0001.1%NOTE 3.625% 4/1
AMPHASTAR PHARMACEUTICALS IN
$37,942,467$356,333 ▼-0.9%40,569,0001.1%NOTE 2.000% 3/1
TYLER TEX INDPT SCH DIST
$37,563,7690.0%31,006,0001.1%NOTE 0.250% 3/1
Nuveen Municipal Credit Income Fund stock logo
NZF
Nuveen Municipal Credit Income Fund
$37,093,685$498,191 ▼-1.3%3,047,9611.1%Financial Services
ETSY INC
$36,445,615$519,210 ▼-1.4%37,554,0001.1%NOTE 0.125%10/0
BANK AMERICA CORP
$36,360,422$621,297 ▼-1.7%29,9641.1%7.25%CNV PFD L
SEAGATE HDD CAYMAN
$36,333,771$36,165 ▲0.1%30,140,0001.1%NOTE 3.500% 6/0
ROYAL CARIBBEAN GROUP
$36,279,6340.0%7,825,0001.1%NOTE 6.000% 8/1
iShares Gold Trust stock logo
IAU
iShares Gold Trust
$34,161,900$11,857,645 ▼-25.8%690,0001.0%Finance
WFC.PL
Wells Fargo & Co. Pfd. Series L
$33,513,085$334,904 ▼-1.0%28,1191.0%Finance
TRANSMEDICS GROUP INC
$32,489,600$13,017,987 ▼-28.6%31,394,0001.0%NOTE 1.500% 6/0
ENPHASE ENERGY INC
$31,304,581$5,545,255 ▼-15.0%33,454,0000.9%NOTE 3/0
LIBERTY MEDIA CORP DEL
$30,909,0600.0%29,835,0000.9%NOTE 3.750% 3/1
BURLINGTON STORES INC
$30,862,0610.0%20,561,0000.9%NOTE 1.250%12/1
OIL STS INTL INC
$30,631,9380.0%31,321,0000.9%NOTE 4.750% 4/0
ZSCALER INC
$30,515,153$399,452 ▼-1.3%24,522,0000.9%NOTE 0.125% 7/0
Talos Energy Inc. stock logo
TALO
Talos Energy
$30,413,4290.0%3,132,1760.9%Oils/Energy
IONIS PHARMACEUTICALS INC
$30,381,7660.0%30,793,0000.9%NOTE 1.750% 6/1
Nuveen AMT-Free Municipal Credit Income Fund stock logo
NVG
Nuveen AMT-Free Municipal Credit Income Fund
$30,194,566$29,301 ▼-0.1%2,462,8520.9%Financial Services
LUMENTUM HLDGS INC
$29,085,001$29,085,001 ▲New Holding30,000,0000.9%NOTE 0.500% 6/1
Blackrock Municipal 2030 Target Term Trust stock logo
BTT
Blackrock Municipal 2030 Target Term Trust
$28,861,0240.0%1,401,7010.9%Financial Services
CHART INDS INC
$28,787,126$252,834 ▼-0.9%405,5620.8%6.75DP CNV PFD B
ARES MANAGEMENT CORPORATION
$27,137,812$27,137,812 ▲New Holding484,1470.8%6.75 SE B PFD
JAZZ INVESTMENTS I LTD
$26,909,314$26,909,314 ▲New Holding26,453,0000.8%NOTE 2.000% 6/1
ENVISTA HOLDINGS CORPORATION
$26,580,1160.0%29,591,0000.8%NOTE 1.750% 8/1
Nuveen Quality Municipal Income Fund stock logo
NAD
Nuveen Quality Municipal Income Fund
$26,098,4500.0%2,238,2890.8%Financial Services
CHEESECAKE FACTORY INC
$25,905,312$446,524 ▼-1.7%26,281,0000.8%NOTE 0.375% 6/1
SUMMIT HOTEL PPTYS
$25,856,7590.0%26,629,0000.8%NOTE 1.500% 2/1
HAEMONETICS CORP MASS
$25,396,350$404,482 ▼-1.6%26,873,0000.7%NOTE 3/0
DROPBOX INC
$25,243,7080.0%24,613,0000.7%NOTE 3/0
Nuveen California Quality Municipal Income Fund stock logo
NAC
Nuveen California Quality Municipal Income Fund
$25,124,8110.0%2,225,4040.7%Financial Services
EURONET WORLDWIDE INC
$24,256,3030.0%24,415,0000.7%NOTE 0.750% 3/1
CABLE ONE INC
$24,001,425$349,875 ▲1.5%25,725,0000.7%NOTE 3/1
GREENBRIER COS INC
$23,319,6720.0%19,205,0000.7%NOTE 2.875% 4/1
TELADOC HEALTH INC
$22,423,2420.0%25,539,0000.7%NOTE 1.250% 6/0
BlackRock MuniHoldings Fund, Inc. stock logo
MHD
BlackRock MuniHoldings Fund
$22,401,347$22,208 ▼-0.1%1,919,5670.7%Financial Services
WESTERN DIGITAL CORP
$19,960,640$19,960,640 ▲New Holding15,008,0000.6%NOTE 3.000%11/1
BRIDGEBIO PHARMA INC
$19,561,5420.0%22,799,0000.6%NOTE 2.250% 2/0
HEWLETT PACKARD ENTERPRISE C
$19,427,685$234,199 ▼-1.2%309,2510.6%7.625 MAND CONV
RIVIAN AUTOMOTIVE INC
$18,953,473$288,765 ▼-1.5%18,772,0000.6%NOTE 4.625% 3/1
WORKIVA INC
$18,132,6080.0%17,070,0000.5%NOTE 1.250% 8/1
Danaher Co. stock logo
DHR
Danaher
$17,609,240$16,873,073 ▼-48.9%76,7120.5%Medical
Zillow Group, Inc. stock logo
Z
Zillow Group
$17,495,942$17,495,942 ▲New Holding236,2720.5%Finance
AMERICAN AIRLINES GROUP INC
$16,635,9090.0%14,210,0000.5%NOTE 6.500% 7/0
ALNYLAM PHARMACEUTICALS INC
$15,568,125$280,094 ▼-1.8%14,618,0000.5%NOTE 1.000% 9/1
IMPINJ INC
$14,172,7430.0%9,965,0000.4%NOTE 1.125% 5/1
Forum Energy Technologies, Inc. stock logo
FET
Forum Energy Technologies
$14,115,944$410,857 ▼-2.8%911,2940.4%Oils/Energy
BlackRock MuniHoldings New Jersey Quality Fund, Inc. stock logo
MUJ
BlackRock MuniHoldings New Jersey Quality Fund
$13,849,123$102,608 ▼-0.7%1,251,0500.4%Finance
OKTA INC
$13,332,1160.0%13,787,0000.4%NOTE 0.125% 9/0
BlackRock MuniHoldings New York Quality Fund, Inc. stock logo
MHN
BlackRock MuniHoldings New York Quality Fund
$12,346,519$17,805 ▼-0.1%1,194,0540.4%Finance
RAPID7 INC
$12,325,1770.0%12,965,0000.4%NOTE 1.250% 3/1
BlackRock MuniVest Fund, Inc. stock logo
MVF
BlackRock MuniVest Fund
$10,803,324$388,488 ▼-3.5%1,534,5630.3%Finance
ARRAY TECHNOLOGIES INC
$10,754,295$4,963,858 ▼-31.6%14,728,0000.3%NOTE 1.000%12/0
Vodafone Group Public Limited stock logo
VOD
Vodafone Group Public
$9,899,5270.0%1,166,0220.3%Computer and Technology
BlackRock MuniYield Quality Fund II, Inc. stock logo
MQT
BlackRock MuniYield Quality Fund II
$9,781,958$79 ▼0.0%992,0850.3%Finance
Q2 HLDGS INC
$9,592,1600.0%7,755,0000.3%NOTE 0.750% 6/0
BlackRock MuniYield New York Quality Fund, Inc. stock logo
MYN
BlackRock MuniYield New York Quality Fund
$9,450,2420.0%937,5240.3%Finance
NUVASIVE INC
$8,988,6550.0%9,068,0000.3%NOTE 0.375% 3/1
ZIFF DAVIS INC
$8,558,0360.0%9,110,0000.3%NOTE 1.750%11/0
Nuveen New York AMT-Free Quality Municipal Income Fund stock logo
NRK
Nuveen New York AMT-Free Quality Municipal Income Fund
$8,343,2620.0%797,6350.2%Financial Services
BENTLEY SYS INC
$7,903,350$88,725 ▲1.1%8,106,0000.2%NOTE 0.125% 1/1
SOLAREDGE TECHNOLOGIES INC
$7,821,5640.0%8,343,0000.2%NOTE 9/1
BlackRock MuniYield Michigan Quality Fund, Inc. stock logo
MIY
BlackRock MuniYield Michigan Quality Fund
$7,432,6770.0%664,8190.2%Finance
LIVE NATION ENTERTAINMENT IN
$7,426,155$47,827,812 ▼-86.6%5,458,0000.2%NOTE 3.125% 1/1
MHI
Pioneer Municipal High Income Fund
$7,348,773$30,502 ▼-0.4%793,6040.2%Financial Services
SPDR Bloomberg Convertible Securities ETF stock logo
CWB
SPDR Bloomberg Convertible Securities ETF
$7,314,416$7,314,416 ▲New Holding93,9070.2%ETF

Showing largest 100 holdings. View all holdings.
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