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13F-HR filed by MacKay Shields LLC

MacKay Shields LLC filed this 13F-HR for the quarter ended 2025-09-30, filed 2025-10-27, with 136 holding rows worth $2,939,899,446.

Accession
0000061227-25-000004
Filed
2025-10-27
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2025

A holdings report, 354 entries on the cover page, a total value of $2,939,899,446 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,939,899,446 with VALUE read as dollars as filed, 13F file number 028-00046. The quarter's positions are built on this report. The resolved quarter.

Other managers

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
SEAGATE HDD CAYMAN81180WBL4NOTE 3.500% 6/025,568,000$73,683,780dollars as filedprincipal
QXO INC82846H5045.50 DEP PFD1,186,085$65,490,614dollars as filed
TETRA TECH INC NEW88162GAB9DBCV 2.250% 8/158,598,000$63,490,463dollars as filedprincipal
UBER TECHNOLOGIES INC90353TAM2NOTE 0.875%12/042,991,000$63,291,996dollars as filedprincipal
MIRUM PHARMACEUTICALS INC604749AB7NOTE 4.000% 5/026,219,000$63,086,189dollars as filedprincipal
ADVANCED ENERGY INDS007973AE0NOTE 2.500% 9/145,174,000$62,744,062dollars as filedprincipal
WESTERN DIGITAL CORP958102AT2NOTE 3.000%11/119,228,000$61,711,843dollars as filedprincipal
PG&E CORP69331CAL2NOTE 4.250%12/060,439,000$61,260,318dollars as filedprincipal
Lantheus Hldgs Inc Note 2.625 percent 12/1516544AB9Convertible55,673,000$58,678,261dollars as filedprincipal
BOEING CO097023204DEP CONV PFD A841,981$58,550,940dollars as filed
HALOZYME THERAPEUTICS INC40637HAD1NOTE 0.250% 3/050,503,000$57,988,571dollars as filedprincipal
CABLE ONE, INC.12685JAG0NOTE67,424,000$57,714,944dollars as filedprincipal
POST HLDGS INC737446AT1NOTE 2.500% 8/150,121,000$56,348,637dollars as filedprincipal
Nutanix Inc Note 0.250 percent 10/067059NAH1Convertible40,670,000$56,051,753dollars as filedprincipal
APOLLO GLOBAL MGMT INC03769M304CMN721,847$50,992,832dollars as filed
OSI SYSTEMS INC671044AF2NOTE 2.250% 8/032,536,000$47,266,041dollars as filedprincipal
LIBERTY MEDIA CORP DEL531229AQ5NOTE 2.250% 8/134,433,000$45,731,928dollars as filedprincipal
ON SEMICONDUCTOR CORP682189AS4NOTE 5/039,979,000$45,583,422dollars as filedprincipal
IRHYTHM HOLDINGS INC450056AB2NOTE 1.500% 9/030,856,000$42,488,712dollars as filedprincipal
LUMENTUM HLDGS INC55024UAF6NOTE 0.500% 6/130,445,000$42,470,775dollars as filedprincipal
AKAMAI TECHNOLOGIES INC00971TAL5NOTE 0.375% 9/043,444,000$41,648,265dollars as filedprincipal
HEWLETT PACKARD ENTERPRISE C42824C208CMN605,178$41,247,526dollars as filed
MKS INC.55306NAB0NOTE 1.250% 6/037,185,000$40,802,920dollars as filedprincipal
NCL CORP LTD62886HBD2BOND39,311,000$40,333,086dollars as filedprincipal
SNOWFLAKE INC833445AB5NOTE 10/026,382,000$40,087,450dollars as filedprincipal
SHIFT4 PMTS INC82452JAD1NOTE 0.500% 8/039,897,000$39,361,682dollars as filedprincipal
ETSY INC29786AAJ5NOTE 0.125%10/037,493,000$38,964,603dollars as filedprincipal
IONIS PHARMACEUTICALS INC462222AF7NOTE 1.750% 6/127,793,000$38,510,676dollars as filedprincipal
iShares Gold Trust464285204COM525,000$38,204,250dollars as filed
MERITAGE HOMES CORP59001ABF8NOTE 1.750% 5/137,024,000$38,047,875dollars as filedprincipal
PATRICK INDS INC703343AG8NOTE 1.750%12/023,353,000$37,951,863dollars as filedprincipal
MICROCHIP TECHNOLOGY INC.595017302DEP SHS REPSTG609,163$36,035,191dollars as filed
CHEFS WHSE INC163086AE1NOTE 2.375%12/124,100,000$34,872,300dollars as filedprincipal
DEXCOM INC252131AM9NOTE 0.375% 5/137,290,000$34,028,580dollars as filedprincipal
TYLER TEX INDPT SCH DIST902252AB1NOTE 0.250% 3/130,621,000$33,683,098dollars as filedprincipal
BIOMARIN PHARMACEUTICAL INC09061GAK7NOTE 1.250% 5/135,206,000$33,449,046dollars as filedprincipal
NORTHERN OIL & GAS INC665531AJ8NOTE 3.625% 4/132,032,000$32,185,351dollars as filedprincipal
BLACKROCK MUN TARGET TERM TR09257P105COM SHS BEN IN1,419,894$31,890,820dollars as filed
FLUOR CORP343412AJ1NOTE 1.125% 8/126,730,000$31,769,618dollars as filedprincipal
FORD MTR CO345370CZ1NOTE 3/130,776,000$31,256,074dollars as filedprincipal
LIBERTY MEDIA CORP DEL531229AP7NOTE 3.750% 3/129,835,000$31,177,575dollars as filedprincipal
PARSONS CORP DEL70202LAD4NOTE 2.625% 3/026,441,000$30,208,838dollars as filedprincipal
TALOS ENERGY INC87484T108COM3,098,435$29,713,991dollars as filed
PROGRESS SOFTWARE CORP743312AD2NOTE 3.500% 3/028,964,000$29,193,517dollars as filedprincipal
Bridgebio Pharma Inc Note 2.250 percent 2/010806XAD4Convertible28,922,000$28,582,167dollars as filedprincipal
BURLINGTON STORES INC122017AD8NOTE 1.250%12/120,561,000$27,788,192dollars as filedprincipal
Q2 HLDGS INC74736LAD1NOTE 0.750% 6/025,829,000$26,849,246dollars as filedprincipal
DROPBOX INC26210CAD6NOTE 3/024,613,000$25,462,149dollars as filedprincipal
BLACKROCK MUNIHOLDINGS FD IN09253N104COM2,166,270$25,453,672dollars as filed
ALNYLAM PHARMACEUTICALS INC02043QAB3NOTE 1.000% 9/115,188,000$24,992,841dollars as filedprincipal
CABLE ONE INC12685JAE5NOTE 3/124,975,000$24,388,204dollars as filedprincipal
GLOBAL PMTS INC37940XAU6NOTE 1.500% 3/026,553,000$24,369,130dollars as filedprincipal
FRESHPET INC358039AB1NOTE 3.000% 4/021,572,000$24,294,726dollars as filedprincipal
ARES MANAGEMENT CORPORATION03990B309CMN480,905$24,046,494dollars as filed
GULFPORT ENERGY CORP COMMON SHARES402635502Stock130,956$23,700,416dollars as filed
NEXTERA ENERGY INC65339F663CMN465,471$23,266,400dollars as filed
BANK OF AMER CORP0605056827.25%CNV PFD L17,584$22,547,132dollars as filed
LUMENTUM HLDGS INC55024UAH2NOTE 1.500%12/19,060,000$21,888,960dollars as filedprincipal
OIL STS INTL INC678026AK1NOTE 4.750% 4/021,321,000$21,342,321dollars as filedprincipal
GREENBRIER COS INC393657AM3NOTE 2.875% 4/119,205,000$20,629,050dollars as filedprincipal
NUVEEN AMT FREE QLTY MUN INC670657105COM1,801,320$20,517,035dollars as filed
RIVIAN AUTOMOTIVE INC76954AAB9NOTE 4.625% 3/118,765,000$19,481,505dollars as filedprincipal
WELLS FARGO & CO949746804PERP PFD CNV A15,404$19,082,861dollars as filed
VERTEX INC92538JAB2NOTE 0.750% 5/018,323,000$18,689,460dollars as filedprincipal
NUVEEN MUN CR INCOME FD67070X101COM SH BEN INT1,406,423$17,664,673dollars as filed
WORKIVA INC98139AAD7NOTE 1.250% 8/117,070,000$16,877,963dollars as filedprincipal
IMPINJ INC453204AD1NOTE 1.125% 5/19,965,000$16,676,428dollars as filedprincipal
CHEESECAKE FACTORY INC163072AA9NOTE 0.375% 6/115,810,000$15,737,340dollars as filedprincipal
CONMED CORP207410AH4NOTE 2.250% 6/115,399,000$14,678,373dollars as filedprincipal
TELADOC HEALTH INC87918AAF2NOTE 1.250% 6/015,313,000$14,378,823dollars as filedprincipal
NUVEEN AMT FREE MUN CR INC F67071L106COM1,165,469$14,323,615dollars as filed
BLACKROCK MUNIHLDGS NJ QLTY09254X101COM1,232,873$14,288,998dollars as filed
JAZZ INVESTMENTS I LTD472145AF8NOTE 2.000% 6/113,366,000$14,238,132dollars as filedprincipal
MGP INGREDIENTS INC NEW55303JAB2NOTE 1.875%11/114,660,000$14,029,459dollars as filedprincipal
NEUBERGER BERMAN MUN FD INC64124P101COM1,233,578$12,730,525dollars as filed
AEROVIRONMENT INC008073AA6NOTE 7/110,088,000$12,524,252dollars as filedprincipal
NUVEEN QUALITY MUNCP INCOME67066V101COM1,058,093$12,369,107dollars as filed
BLACKROCK MUNIHLDGS NY QLTY09255C106COM1,191,469$12,176,813dollars as filed
FIVE9 INC338307AF8CNV13,345,000$11,857,033dollars as filedprincipal
BLACKROCK MUNIYIELD N Y QUAL09255E102COM1,174,171$11,659,518dollars as filed
RAPID7 INC753422AH7NOTE 1.250% 3/112,905,000$11,457,537dollars as filedprincipal
BLACKROCK MUNIHLDNGS CALI09254L107COM981,326$10,647,388dollars as filed
AMPHASTAR PHARMACEUTICALS IN03209RAB9NOTE 2.000% 3/111,610,000$10,567,601dollars as filedprincipal
BLACKROCK MUNIYEILD QUALITY FU09254G108COM1,026,805$10,298,854dollars as filed
HAEMONETICS CORP MASS405024AB6NOTE 3/08,949,000$8,762,676dollars as filedprincipal
BLACKROCK MUNIVEST FUND09253R105COM1,223,865$8,395,714dollars as filed
BLACKROCK MUN INCOME TR09248F109SH BEN INT833,784$8,379,529dollars as filed
LUMENTUM HLDGS INC55024UAD1NOTE 0.500%12/14,909,000$8,259,393dollars as filedprincipal
NUVEEN NEW YORK AMT QLT MUNI670656107COM797,635$8,135,877dollars as filed
LIVE NATION ENTERTAINMENT IN538034BA6NOTE 3.125% 1/14,885,000$7,880,137dollars as filedprincipal
WARNER BROS DISCOVERY INC COM SER A934423104Stock400,000$7,812,000dollars as filed
Spectrum Brands, Inc.84762LAZ8Convertible Bond8,128,000$7,573,264dollars as filedprincipal
BLACKROCK MUNIYIELD FUND09253W104COM712,123$7,520,019dollars as filed
BlackRock Muniy Michigan09254V105Fund664,819$7,499,158dollars as filed
CLOUDFLARE INC18915MAC1NOTE 8/15,816,000$7,244,991dollars as filedprincipal
Wec Energy Group Inc Note 4.375 percent 6/092939UAR7Convertible5,508,000$6,756,338dollars as filedprincipal
SOUTHERN CO842587DZ7NOTE 4.500% 6/15,736,000$6,375,724dollars as filedprincipal
EXPEDIA GROUP INC30212PBE4NOTE 2/16,183,000$6,241,724dollars as filedprincipal
NUVEEN CA DIVI ADV MUN67066Y105COM511,343$5,880,445dollars as filed
VAIL RESORTS INC91879QAN9NOTE 1/05,759,000$5,678,374dollars as filedprincipal
Dropbox Inc26210CAC8Convertible bond5,713,000$5,635,589dollars as filedprincipal
SPDR GOLD TR78463V107GOLD SHS15,336$5,451,488dollars as filed
BLACKROCK MUNICIPAL INCOME QUA092479104COM479,613$5,251,762dollars as filed
INTEGER HLDGS CORP45826HAB5NOTE 2.125% 2/13,961,000$5,163,389dollars as filedprincipal
Shift4 Payments Inc82452JAB5Convertible bond4,779,000$4,903,254dollars as filedprincipal
PEBBLEBROOK HOTEL TR70509VAA8NOTE 1.750%12/14,923,000$4,851,567dollars as filedprincipal
BENTLEY SYS INC08265TAB5NOTE 0.125% 1/14,661,000$4,605,068dollars as filedprincipal
VODAFONE GROUP PLC SPONSORED ADR92857W308ADR371,152$4,305,363dollars as filed
BLACKROCK MUNIYIELD QUALITY FU09254F100COM357,837$4,168,802dollars as filed
EATON VANCE NEW YORK MUN BD27827Y109COM421,971$4,160,634dollars as filed
ABRDN NATL MUN INCOME FD SH BEN INT24610T108CEF401,695$4,121,391dollars as filed
BLACKROCK MUNI INCOME TR II09249N101COM363,951$3,803,288dollars as filed
INVESCO TR INVT GRADE MUNS46131M106COM370,162$3,746,040dollars as filed
EXACT SCIENCES CORP30063PAC9NOTE 0.375% 3/04,034,000$3,725,549dollars as filedprincipal
INVESCO ADVANTAGE MUN INCOME46132E103SH BEN INT404,961$3,551,508dollars as filed
IONIS PHARMACEUTICALS INC462222AD2NOTE 4/02,816,000$3,455,232dollars as filedprincipal
EATON VANCE MUNICIPAL BOND FUN27827X101COM318,814$3,169,011dollars as filed
INVESCO MUNICIPAL TRUST46131J103COM325,107$3,137,283dollars as filed
INVESCO MUNI OPPORTUNITY TRUST46132C107COM307,705$2,975,508dollars as filed
NUVEEN PA INVT QUALITY MUN F670972108COM233,310$2,799,720dollars as filed
MFS MUNICIPAL INCOME TRUST552738106SH BEN INT433,155$2,334,705dollars as filed
BLACKROCK N Y MUN INCOME TRU09248L106SH BEN INT218,559$2,211,817dollars as filed
DWS MUNICIPAL INCOME TRUST233368109COM130,807$1,199,500dollars as filed
BLACKROCK INVESTMENT QUALITY M09247D105COM92,077$1,044,153dollars as filed
BLACKLINE INC09239BAF6NOTE 1.000% 6/01,000,000$1,040,910dollars as filedprincipal
INVESCO QUALITY MUNICIPAL INCO46133G107COM94,994$935,691dollars as filed
SOUTHERN CO842587DP9NOTE 3.875%12/1655,000$738,016dollars as filedprincipal
BLACKROCK MUNIVEST FUND II09253T101COM65,678$698,157dollars as filed
TURNING PT BRANDS INC COM90041L105Stock6,802$672,446dollars as filed
PPL CAP FDG INC69352PAS2NOTE 2.875% 3/1503,000$574,799dollars as filedprincipal
DUKE ENERGY CORP26441CBY0CONV BND505,000$542,743dollars as filedprincipal
WW INTL INC98262P200COM NEW14,371$393,191dollars as filed
INVESCO PA VALUE MUN INC TR46132K109COM14,433$149,093dollars as filed
BILL HOLDINGS INC090043AB6NOTE 12/075,000$73,792dollars as filedprincipal
NINE ENERGY SERVICE INC65441V101COM116,342$73,517dollars as filed
CHEGG INC163092AF6NOTE 9/045,000$35,438dollars as filedprincipal

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000061227-25-000004this filing2025-10-27acceptance time not in the bulk data set