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13F-HR filed by MacKay Shields LLC

MacKay Shields LLC filed this 13F-HR for the quarter ended 2026-09-30, accepted by EDGAR 2026-10-13 16:55:13 UTC, with 103 holding rows worth $2,758,030,309.

Accession
0000061227-26-000003
Filed
2026-10-13
Accepted by EDGAR
Ingested
Source
EDGAR live feed

Original filing

13F report for Q3 2026

A holdings report, 297 entries on the cover page, a total value of $2,758,030,309 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,758,030,309 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
ALPHABET INC02079K404DEP SHS RP1/20 A2,428,006$119,679,035dollars as filed
HEWLETT PACKARD ENTERPRISE C42824C208CMN601,487$98,565,874dollars as filed
SNOWFLAKE INC833445AB5NOTE 10/036,870,000$79,643,653dollars as filedprincipal
LUMENTUM HLDGS INC55024UAF6NOTE 0.500% 6/110,149,000$74,960,514dollars as filedprincipal
MKS INC.55306NAB0NOTE 1.250% 6/036,475,000$66,911,605dollars as filedprincipal
CLOUDFLARE INC18915MAF4NOTE 6/141,867,000$66,066,689dollars as filedprincipal
REVOLUTION MEDICINES INC76155XAA8NOTE 0.500% 5/048,743,000$62,789,138dollars as filedprincipal
UBER TECHNOLOGIES INC90353TAM2NOTE 0.875%12/051,770,000$59,265,621dollars as filedprincipal
TETRA TECH INC NEW88162GAB9DBCV 2.250% 8/152,404,000$55,697,192dollars as filedprincipal
WESTERN DIGITAL CORP958102AT2NOTE 3.000%11/14,403,000$52,742,022dollars as filedprincipal
QXO INC82846H5045.50 DEP PFD1,407,248$52,227,843dollars as filed
PG&E CORP69331CAL2NOTE 4.250%12/051,400,000$50,447,797dollars as filedprincipal
BOEING CO097023204DEP CONV PFD A829,048$48,941,544dollars as filed
NEXTERA ENERGY INC65339F663CMN940,950$45,886,577dollars as filed
MERIT MED SYS INC589889AB0NOTE 3.000% 2/038,006,000$44,181,975dollars as filedprincipal
MICROCHIP TECHNOLOGY INC.595017302DEP SHS REPSTG644,345$43,049,114dollars as filed
BLACKROCK MUN TARGET TERM TR09257P105COM SHS BEN IN1,967,980$42,980,683dollars as filed
AKAMAI TECHNOLOGIES INC00971TAL5NOTE 0.375% 9/037,876,000$42,149,417dollars as filedprincipal
FRESHPET INC358039AB1NOTE 3.000% 4/036,464,000$41,079,433dollars as filedprincipal
LIBERTY MEDIA CORP DEL531229AQ5NOTE 2.250% 8/133,914,000$39,755,751dollars as filedprincipal
POST HLDGS INC737446AT1NOTE 2.500% 8/140,191,000$39,676,730dollars as filedprincipal
DATADOG INC23804LAD5NOTE 12/027,438,000$39,521,771dollars as filedprincipal
ORACLE CORP68389X2046.5 DEP CUM SR D883,365$38,814,783dollars as filed
GUIDEWIRE SOFTWARE INC40171VAC4NOTE 1.250%11/039,638,000$38,786,869dollars as filedprincipal
AFFIRM HLDGS INC00827BAD8NOTE 0.750%12/137,054,000$38,534,014dollars as filedprincipal
UNITY SOFTWARE INC91332UAH4NOTE 3/126,935,000$36,176,082dollars as filedprincipal
CYBERARK SOFTWARE LTD23248VAD7NOTE6/119,004,000$35,584,990dollars as filedprincipal
IRHYTHM HOLDINGS INC450056AB2NOTE 1.500% 9/032,610,000$34,686,585dollars as filedprincipal
Bridgebio Pharma Inc Note 2.250 percent 2/010806XAD4Convertible33,241,000$34,149,525dollars as filedprincipal
NORTHERN OIL & GAS INC665531AJ8NOTE 3.625% 4/133,280,000$33,420,608dollars as filedprincipal
Live Nation Entertainment In Note 2.875 percent 1/1538034BC2Convertible29,737,000$32,633,475dollars as filedprincipal
ON SEMICONDUCTOR CORP682189AS4NOTE 5/021,969,000$32,599,885dollars as filedprincipal
FLUOR CORP343412AJ1NOTE 1.125% 8/126,188,000$32,357,208dollars as filedprincipal
ITRON INC465741AQ9NOTE 1.375% 7/132,877,000$31,675,258dollars as filedprincipal
AXON ENTERPRISE INC05464CAE1NOTE 9/132,000,000$31,549,624dollars as filedprincipal
ETSY INC29786AAQ9NOTE 1.000% 6/128,370,000$31,425,999dollars as filedprincipal
DOORDASH INC25809KAB1NOTE 5/132,353,000$30,831,024dollars as filedprincipal
PELOTON INTERACTIVE INC70614WAD2NOTE 5.500%12/021,530,000$30,688,295dollars as filedprincipal
ARES MANAGEMENT CORPORATION03990B309CMN766,553$29,350,281dollars as filed
PROGRESS SOFTWARE CORP743312AD2NOTE 3.500% 3/028,955,000$28,423,813dollars as filedprincipal
Arrowhead Pharmaceuticals In Note 1/104280AAC4Convertible27,193,000$27,836,761dollars as filedprincipal
NEBIUS GROUP N.V.63954QAG1NOTE 1.000% 9/114,822,000$27,444,284dollars as filedprincipal
MERITAGE HOMES CORP59001ABF8NOTE 1.750% 5/128,105,000$26,996,591dollars as filedprincipal
DROPBOX INC26210CAD6NOTE 3/024,323,000$26,979,045dollars as filedprincipal
LIBERTY MEDIA CORP DEL531229AP7NOTE 3.750% 3/124,458,000$26,066,114dollars as filedprincipal
BIOMARIN PHARMACEUTICAL INC09061GAK7NOTE 1.250% 5/126,468,000$25,848,726dollars as filedprincipal
Rubrik Inc. Note 6/1781154AD1Convertible21,544,000$25,734,309dollars as filedprincipal
NOVA LTD66982MAB0NOTE 9/118,294,000$25,725,938dollars as filedprincipal
BANK OF AMER CORP0605056827.25%CNV PFD L20,836$25,461,536dollars as filed
PARSONS CORP DEL70202LAD4NOTE 2.625% 3/026,167,000$24,621,987dollars as filedprincipal
BURLINGTON STORES INC122017AD8NOTE 1.250%12/117,598,000$24,082,864dollars as filedprincipal
CABLE ONE, INC.12685JAG0NOTE89,763,000$23,338,380dollars as filedprincipal
TEMPUS AI INC88023BAE3NOTE 0.750% 7/118,554,000$23,336,294dollars as filedprincipal
PATRICK INDS INC703343AG8NOTE 1.750%12/019,038,000$22,723,986dollars as filedprincipal
Nine Energy Service Inc65441V200COM2,988,165$22,351,475dollars as filed
DEXCOM INC252131AM9NOTE 0.375% 5/122,472,000$21,267,483dollars as filedprincipal
RIVIAN AUTOMOTIVE INC76954AAB9NOTE 4.625% 3/118,738,000$20,646,664dollars as filedprincipal
BLACKROCK MUNIYIELD N Y QUAL09255E102COM2,349,687$20,583,258dollars as filed
BLACKROCK MUNIHOLDINGS FD IN09253N104COM1,982,355$20,338,962dollars as filed
SYNAPTICS INC87157DAJ8NOTE 0.750%12/016,119,000$20,255,336dollars as filedprincipal
GREENBRIER COS INC393657AM3NOTE 2.875% 4/119,032,000$19,884,504dollars as filedprincipal
UPSTART HLDGS INC91680MAF4NOTE 1.000%11/125,168,000$18,548,816dollars as filedprincipal
iShares Gold Trust464285204COM235,500$18,392,550dollars as filed
SHIFT4 PMTS INC82452JAD1NOTE 0.500% 8/019,050,000$18,381,935dollars as filedprincipal
NUTANIX INC67059NAK4NOTE 0.500%12/116,565,000$18,049,415dollars as filedprincipal
TALOS ENERGY INC87484T108COM1,003,782$16,391,759dollars as filed
ZSCALER INC98980GAD4NOTE 7/117,300,000$16,329,468dollars as filedprincipal
ALNYLAM PHARMACEUTICALS INC02043QAB3NOTE 1.000% 9/114,813,000$16,039,422dollars as filedprincipal
WELLS FARGO & CO949746804PERP PFD CNV A14,756$15,949,469dollars as filed
WORKIVA INC98139AAD7NOTE 1.250% 8/116,585,000$15,859,406dollars as filedprincipal
BLACKROCK MUNIYIELD QUALITY FU09254F100COM1,594,019$15,828,608dollars as filed
GULFPORT ENERGY CORP COMMON SHARES402635502Stock97,512$14,673,606dollars as filed
MGP INGREDIENTS INC NEW55303JAB2NOTE 1.875%11/114,254,000$14,067,202dollars as filedprincipal
BILL HOLDINGS INC090043AF7NOTE 4/014,942,000$12,646,395dollars as filedprincipal
EURONET WORLDWIDE INC298736AN9NOTE 0.625%10/014,660,000$12,537,775dollars as filedprincipal
ALPHABET INC02079K602DEP SHS RP1/20 B250,000$12,227,500dollars as filed
IMPINJ INC453204AF6NOTE 9/111,050,000$11,524,768dollars as filedprincipal
GLOBAL PMTS INC37940XAU6NOTE 1.500% 3/012,879,000$11,455,871dollars as filedprincipal
BLACKROCK MUNIHLDGS NJ QLTY09254X101COM881,952$9,948,418dollars as filed
GUARDANT HEALTH INC40131MAB5NOTE 11/17,259,000$9,918,587dollars as filedprincipal
NEXTERA ENERGY INC65339F655UNIT 02/15/2029229,887$9,908,130dollars as filed
VERTEX INC92538JAB2NOTE 0.750% 5/09,048,000$8,050,458dollars as filedprincipal
LIFE360 INC532206AC3CNV8,770,000$7,943,428dollars as filedprincipal
Spectrum Brands, Inc.84762LAZ8Convertible Bond7,857,000$7,790,363dollars as filedprincipal
HALOZYME THERAPEUTICS INC40637HAD1NOTE 0.250% 3/05,466,000$7,781,911dollars as filedprincipal
LIVE NATION ENTERTAINMENT IN538034BA6NOTE 3.125% 1/14,699,000$7,663,223dollars as filedprincipal
Nutanix Inc Note 0.250 percent 10/067059NAH1Convertible4,611,000$5,989,689dollars as filedprincipal
SPDR GOLD TR78463V107GOLD SHS15,336$5,840,562dollars as filed
Wec Energy Group Inc Note 4.375 percent 6/092939UAR7Convertible5,168,000$5,718,781dollars as filedprincipal
SOUTHERN CO842587DZ7NOTE 4.500% 6/15,595,000$5,651,030dollars as filedprincipal
OSI SYSTEMS INC671044AF2NOTE 2.250% 8/04,533,000$5,535,918dollars as filedprincipal
BlackRock Muniy Michigan09254V105Fund479,747$5,416,344dollars as filed
MIRUM PHARMACEUTICALS INC604749AB7NOTE 4.000% 5/01,959,000$5,392,268dollars as filedprincipal
MFS MUNICIPAL INCOME TRUST552738106SH BEN INT1,087,087$5,272,372dollars as filed
SOUTHERN CO842587ED5NOTE 3.250% 6/15,424,000$5,269,416dollars as filedprincipal
BLACKROCK MUNIYIELD QUALITY09254E103COM439,004$4,227,608dollars as filed
IONIS PHARMACEUTICALS INC462222AF7NOTE 1.750% 6/12,457,000$2,689,597dollars as filedprincipal
BLACKROCK MUNIHLDNGS CALI09254L107COM128,815$1,255,947dollars as filed
EATON VANCE MUNICIPAL BOND FUN27827X101COM125,764$1,140,680dollars as filed
PPL CAP FDG INC69352PAS2NOTE 2.875% 3/1500,000$526,197dollars as filedprincipal
NEW YORK LIFE INVTS ACTIVE E45409F686MACKAY SECURITI11,504$277,308dollars as filed
BLACKLINE INC09239BAF6NOTE 1.000% 6/0295,000$263,140dollars as filedprincipal
WW INTL INC98262P200COM NEW14,371$222,176dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000061227-26-000003this filing2026-10-13