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Mackay Shields LLC Top Holdings and 13F Report (2024)

About Mackay Shields LLC

Investment Activity

  • Mackay Shields LLC has $3.65 billion in total holdings as of September 30, 2024.
  • Mackay Shields LLC owns shares of 144 different stocks, but just 62 companies or ETFs make up 80% of its holdings.
  • Approximately 12.83% of the portfolio was purchased this quarter.
  • About 6.95% of the portfolio was sold this quarter.
  • This quarter, Mackay Shields LLC has purchased 139 new stocks and bought additional shares in 28 stocks.
  • Mackay Shields LLC sold shares of 55 stocks and completely divested from 5 stocks this quarter.

Largest Holdings

LANTHEUS HLDGS INC
$87,618,589
TETRA TECH INC NEW
$85,232,642
TRANSMEDICS GROUP INC
$81,169,330
MICROCHIP TECHNOLOGY INC.
$77,446,165
NRG ENERGY INC
$74,354,960

Largest New Holdings this Quarter

TETRA TECH INC NEW
$85,232,642 Holding
AMPHASTAR PHARMACEUTICALS IN
$43,429,526 Holding
SEAGATE HDD CAYMAN
$43,373,456 Holding
ADVANCED ENERGY INDS
$42,439,590 Holding
IONIS PHARMACEUTICALS INC
$32,001,626 Holding

Largest Purchases this Quarter

TETRA TECH INC NEW
64,909,000 shares (about $85.23M)
AMPHASTAR PHARMACEUTICALS IN
40,950,000 shares (about $43.43M)
SEAGATE HDD CAYMAN
30,110,000 shares (about $43.37M)
ADVANCED ENERGY INDS
40,132,000 shares (about $42.44M)
TYLER TEX INDPT SCH DIST
30,018,000 shares (about $36.95M)

Largest Sales this Quarter

PALO ALTO NETWORKS INC
11,639,000 shares (about $40.04M)
VAIL RESORTS INC
29,560,000 shares (about $27.88M)
IONIS PHARMACEUTICALS INC
26,743,000 shares (about $26.67M)
NICE LTD
20,264,000 shares (about $19.45M)
FORUM ENERGY TECHNOLOGIES IN
17,027,482 shares (about $17.04M)

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
LANTHEUS HLDGS INC
$87,618,589$318,862 ▼-0.4%56,331,0002.4%NOTE 2.625%12/1
TETRA TECH INC NEW
$85,232,642$85,232,642 ▲New Holding64,909,0002.3%DBCV 2.250% 8/1
TRANSMEDICS GROUP INC
$81,169,330$13,345,786 ▼-14.1%43,973,0002.2%NOTE 1.500% 6/0
MICROCHIP TECHNOLOGY INC.
$77,446,165$175,018 ▼-0.2%77,438,0002.1%NOTE 0.125%11/1
NRG ENERGY INC
$74,354,960$117,594 ▼-0.2%33,512,0002.0%DBCV 2.750% 6/0
ZILLOW GROUP INC
$72,610,687$3,524,187 ▼-4.6%49,057,0002.0%NOTE 1.375% 9/0
POST HLDGS INC
$70,724,396$201,321 ▼-0.3%59,370,0001.9%NOTE 2.500% 8/1
BIOMARIN PHARMACEUTICAL INC
$69,228,611$57,234 ▲0.1%72,574,0001.9%NOTE 1.250% 5/1
FORD MTR CO
$68,097,931$151,252 ▼-0.2%69,335,0001.9%NOTE 3/1
INTEGER HLDGS CORP
$67,449,278$229,236 ▼-0.3%42,664,0001.8%NOTE 2.125% 2/1
NICE LTD
$67,029,328$19,450,158 ▼-22.5%69,834,0001.8%NOTE 9/1
SOUTHWEST AIRLS CO
$64,115,486$146,581 ▼-0.2%63,424,0001.8%NOTE 1.250% 5/0
PATRICK INDS INC
$63,984,133$424,206 ▼-0.7%42,384,0001.8%NOTE 1.750%12/0
LUMENTUM HLDGS INC
$59,521,051$164,581 ▼-0.3%60,396,0001.6%NOTE 0.500%12/1
NEXTERA ENERGY INC
$58,367,817$300,027 ▼-0.5%1,237,8701.6%UNIT 09/01/2025
ON SEMICONDUCTOR CORP
$57,519,291$198,801 ▼-0.3%56,709,0001.6%NOTE 0.500% 3/0
HALOZYME THERAPEUTICS INC
$52,931,418$214,138 ▼-0.4%44,493,0001.5%NOTE 1.000% 8/1
CONMED CORP
$51,581,054$185,982 ▼-0.4%55,469,0001.4%NOTE 2.250% 6/1
MGP INGREDIENTS INC NEW
$50,894,878$146,619 ▼-0.3%47,556,0001.4%NOTE 1.875%11/1
APOLLO GLOBAL MGMT INC
$50,614,560$34,811 ▲0.1%740,0811.4%SER A MAND CNV
LIVE NATION ENTERTAINMENT IN
$50,070,215$177,545 ▼-0.4%40,610,0001.4%NOTE 3.125% 1/1
BOOKING HOLDINGS INC
$50,025,332$163,591 ▼-0.3%22,323,0001.4%NOTE 0.750% 5/0
NUTANIX INC
$49,700,614$146,013 ▼-0.3%41,527,0001.4%NOTE 0.250%10/0
MIRUM PHARMACEUTICALS INC
$48,970,432$3,416,576 ▲7.5%33,339,0001.3%NOTE 4.000% 5/0
PALO ALTO NETWORKS INC
$48,253,466$40,041,501 ▼-45.3%14,026,0001.3%NOTE 0.375% 6/0
Nuveen AMT-Free Quality Municipal Income Fund stock logo
NEA
Nuveen AMT-Free Quality Municipal Income Fund
$47,928,119$2,394,000 ▲5.3%4,004,0201.3%Financial Services
CHEFS WHSE INC
$46,833,470$186,700 ▼-0.4%39,885,0001.3%NOTE 2.375%12/1
iShares Gold Trust stock logo
IAU
iShares Gold Trust
$46,196,1500.0%929,5001.3%Finance
SHIFT4 PMTS INC
$44,637,144$147,587 ▼-0.3%36,596,0001.2%NOTE 12/1
NCL CORP LTD
$43,870,2040.0%45,148,0001.2%NOTE 1.125% 2/1
AMPHASTAR PHARMACEUTICALS IN
$43,429,526$43,429,526 ▲New Holding40,950,0001.2%NOTE 2.000% 3/1
SEAGATE HDD CAYMAN
$43,373,456$43,373,456 ▲New Holding30,110,0001.2%NOTE 3.500% 6/0
CABLE ONE INC
$43,197,790$12,670,704 ▲41.5%53,355,0001.2%NOTE 1.125% 3/1
ADVANCED ENERGY INDS
$42,439,590$42,439,590 ▲New Holding40,132,0001.2%NOTE 2.500% 9/1
Danaher Co. stock logo
DHR
Danaher
$41,763,3300.0%150,2171.1%Multi-Sector Conglomerates
Nuveen Municipal Credit Income Fund stock logo
NZF
Nuveen Municipal Credit Income Fund
$40,464,551$1,430,140 ▲3.7%3,088,8971.1%Financial Services
DEXCOM INC
$39,382,359$161,176 ▼-0.4%41,294,0001.1%NOTE 0.250%11/1
AKAMAI TECHNOLOGIES INC
$39,273,9360.0%37,955,0001.1%NOTE 0.375% 9/0
LIBERTY MEDIA CORP DEL
$39,083,343$168,786 ▼-0.4%35,428,0001.1%NOTE 2.250% 8/1
BANK AMERICA CORP
$38,860,489$26,777 ▲0.1%30,4761.1%7.25%CNV PFD L
TYLER TEX INDPT SCH DIST
$38,168,386$36,952,158 ▲3,038.3%31,006,0001.0%NOTE 0.250% 3/1
ETSY INC
$37,728,364$34,093,112 ▲937.8%38,089,0001.0%NOTE 0.125%10/0
NORTHERN OIL & GAS INC
$37,652,664$4,415,113 ▲13.3%32,893,0001.0%NOTE 3.625% 4/1
ENPHASE ENERGY INC
$37,083,583$161,028 ▼-0.4%39,380,0001.0%NOTE 3/0
WFC.PL
Wells Fargo & Co. Pfd. Series L
$36,428,627$116,726 ▼-0.3%28,4001.0%Finance
PERMIAN RESOURCES CORP
$36,003,1140.0%15,149,0001.0%NOTE 3.250% 4/0
ENVESTNET INC
$35,290,5370.0%33,199,0001.0%NOTE 2.625%12/0
DATADOG INC
$33,378,115$177,972 ▼-0.5%25,694,0000.9%NOTE 0.125% 6/1
Nuveen AMT-Free Municipal Credit Income Fund stock logo
NVG
Nuveen AMT-Free Municipal Credit Income Fund
$33,009,590$2,495,990 ▲8.2%2,465,2420.9%Financial Services
Talos Energy Inc. stock logo
TALO
Talos Energy
$32,418,022$111,749 ▼-0.3%3,132,1760.9%Oils/Energy
IONIS PHARMACEUTICALS INC
$32,001,626$32,001,626 ▲New Holding30,793,0000.9%NOTE 1.750% 6/1
LIBERTY MEDIA CORP DEL
$30,894,1430.0%29,835,0000.8%NOTE 3.750% 3/1
OIL STS INTL INC
$30,522,315$3,410,750 ▼-10.1%31,321,0000.8%NOTE 4.750% 4/0
ZSCALER INC
$30,404,070$175,010 ▼-0.6%24,843,0000.8%NOTE 0.125% 7/0
Blackrock Municipal 2030 Target Term Trust stock logo
BTT
Blackrock Municipal 2030 Target Term Trust
$30,304,7760.0%1,401,7010.8%Financial Services
Gulfport Energy Co. stock logo
GPOR
Gulfport Energy
$30,070,975$11,526,665 ▼-27.7%198,6850.8%Oils/Energy
BURLINGTON STORES INC
$29,062,974$29,062,974 ▲New Holding20,561,0000.8%NOTE 1.250%12/1
ROYAL CARIBBEAN GROUP
$28,004,6970.0%7,825,0000.8%NOTE 6.000% 8/1
Nuveen Quality Municipal Income Fund stock logo
NAD
Nuveen Quality Municipal Income Fund
$27,710,018$657,093 ▲2.4%2,238,2890.8%Financial Services
ENVISTA HOLDINGS CORPORATION
$26,872,327$26,872,327 ▲New Holding29,591,0000.7%NOTE 1.750% 8/1
Nuveen California Quality Municipal Income Fund stock logo
NAC
Nuveen California Quality Municipal Income Fund
$26,460,054$1,194,945 ▲4.7%2,225,4040.7%Financial Services
CHEESECAKE FACTORY INC
$25,295,277$207,214 ▼-0.8%26,734,0000.7%NOTE 0.375% 6/1
HAEMONETICS CORP MASS
$25,217,715$197,670 ▼-0.8%27,301,0000.7%NOTE 3/0
SUMMIT HOTEL PPTYS
$25,202,6840.0%26,629,0000.7%NOTE 1.500% 2/1
BlackRock MuniHoldings Fund, Inc. stock logo
MHD
BlackRock MuniHoldings Fund
$24,306,595$1,594,406 ▲7.0%1,921,4700.7%Financial Services
EURONET WORLDWIDE INC
$24,048,7750.0%24,415,0000.7%NOTE 0.750% 3/1
DROPBOX INC
$23,859,2270.0%24,613,0000.7%NOTE 3/0
CABLE ONE INC
$23,322,000$736,000 ▲3.3%25,350,0000.6%NOTE 3/1
TELADOC HEALTH INC
$22,180,622$5,349,092 ▼-19.4%25,539,0000.6%NOTE 1.250% 6/0
MONGODB INC
$21,241,8050.0%15,362,0000.6%NOTE 0.250% 1/1
GREENBRIER COS INC
$21,139,9040.0%19,205,0000.6%NOTE 2.875% 4/1
CHART INDS INC
$20,639,027$77,486 ▼-0.4%409,1240.6%6.75DP CNV PFD B
IMPINJ INC
$19,968,8640.0%9,965,0000.5%NOTE 1.125% 5/1
BRIDGEBIO PHARMA INC
$19,151,1600.0%22,799,0000.5%NOTE 2.250% 2/0
HEWLETT PACKARD ENTERPRISE C
$19,005,968$19,005,968 ▲New Holding312,9790.5%7.625 MAND CONV
ALNYLAM PHARMACEUTICALS INC
$17,425,627$3,496,601 ▲25.1%14,881,0000.5%NOTE 1.000% 9/1
FORUM ENERGY TECHNOLOGIES IN
$17,380,598$17,035,996 ▼-49.5%17,371,9120.5%NOTE 9.000% 8/0
RIVIAN AUTOMOTIVE INC
$17,244,531$2,693,723 ▲18.5%19,058,0000.5%NOTE 4.625% 3/1
WORKIVA INC
$16,176,386$16,176,386 ▲New Holding17,070,0000.4%NOTE 1.250% 8/1
ARRAY TECHNOLOGIES INC
$16,043,919$12,671 ▼-0.1%21,526,0000.4%NOTE 1.000%12/0
BlackRock MuniHoldings New Jersey Quality Fund, Inc. stock logo
MUJ
BlackRock MuniHoldings New Jersey Quality Fund
$15,287,6700.0%1,260,3190.4%Finance
AMERICAN AIRLINES GROUP INC
$14,607,8800.0%14,210,0000.4%NOTE 6.500% 7/0
Forum Energy Technologies, Inc. stock logo
FET
Forum Energy Technologies
$14,498,666$65,272 ▼-0.4%937,8180.4%Oils/Energy
BlackRock MuniHoldings New York Quality Fund, Inc. stock logo
MHN
BlackRock MuniHoldings New York Quality Fund
$13,344,860$892,800 ▲7.2%1,195,7760.4%Finance
OKTA INC
$13,207,9460.0%13,787,0000.4%NOTE 0.125% 9/0
BlackRock Municipal Income Fund, Inc. stock logo
MUI
BlackRock Municipal Income Fund
$12,327,217$2,520,755 ▲25.7%979,9060.3%Financial Services
RAPID7 INC
$12,246,012$12,246,012 ▲New Holding12,965,0000.3%NOTE 1.250% 3/1
BlackRock MuniVest Fund, Inc. stock logo
MVF
BlackRock MuniVest Fund
$12,082,070$537,685 ▼-4.3%1,589,7460.3%Finance
Vodafone Group Public Limited stock logo
VOD
Vodafone Group Public
$11,683,5400.0%1,166,0220.3%Computer and Technology
PEBBLEBROOK HOTEL TR
$11,160,659$179,314 ▼-1.6%12,137,0000.3%NOTE 1.750%12/1
BlackRock MuniYield Quality Fund II, Inc. stock logo
MQT
BlackRock MuniYield Quality Fund II
$10,734,4470.0%992,0930.3%Finance
BlackRock MuniYield New York Quality Fund, Inc. stock logo
MYN
BlackRock MuniYield New York Quality Fund
$10,106,509$1,158,613 ▲12.9%937,5240.3%Finance
SPDR Gold Shares stock logo
GLD
SPDR Gold Shares
$9,196,418$2,430,600 ▼-20.9%37,8360.3%Finance
Nuveen New York AMT-Free Quality Municipal Income Fund stock logo
NRK
Nuveen New York AMT-Free Quality Municipal Income Fund
$8,933,5120.0%797,6350.2%Financial Services
NUVASIVE INC
$8,881,3580.0%9,068,0000.2%NOTE 0.375% 3/1
Q2 HLDGS INC
$8,470,6530.0%7,755,0000.2%NOTE 0.750% 6/0
ZIFF DAVIS INC
$8,455,2190.0%9,110,0000.2%NOTE 1.750%11/0
BENTLEY SYS INC
$8,055,0750.0%8,015,0000.2%NOTE 0.125% 1/1
BlackRock MuniYield Michigan Quality Fund, Inc. stock logo
MIY
BlackRock MuniYield Michigan Quality Fund
$7,984,4760.0%664,8190.2%Finance
SOLAREDGE TECHNOLOGIES INC
$7,767,333$7,866,019 ▼-50.3%8,343,0000.2%NOTE 9/1

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