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MacKay Shields

Latest statistics and disclosures from Mackay Shields's latest quarterly 13F-HR filing:

Top 5 stock holdings are Western Digital Corp, Alphabet, MKS, Lumentum Holdings, Lantheus Hldgs Inc Note 2.62512/1, and represent 18.22% of Mackay Shields's stock portfolio.
Added to shares of these 10 stocks: Alphabet (+$123M), Merit Med Sys (+$41M), Revolution Medicines (+$38M), Jazz Investments I (+$35M), CyberArk Software (+$32M), Cloudflare 0.000 15-Jun-2030 (+$32M), NEE.PS (+$25M), DoorDash 0.000 15-May-2030 (+$24M), Arrowhead Pharmaceuticals In Note 1/1 (+$21M), Etsy (+$18M).
Started 13 new stock positions in Jazz Investments I, Revolution Medicines, Rubrik, Alphabet, Cloudflare 0.000 15-Jun-2030, DoorDash 0.000 15-May-2030, Life360, CyberArk Software, NEE.PV, Merit Med Sys. Alphabet C 6.250 15-May-2029 PEPS B, Southern, Guardant Health.
Reduced shares in these 10 stocks: Western Digital Corp (-$110M), Advanced Energy Inds (-$95M), Lumentum Holdings (-$91M), Mirum Pharmaceuticals Inc Note 4.000 5/0 (-$78M), Ncl Corp (-$38M), Seagate Hdd Cayman (-$32M), On Semiconductor Corp (-$31M), Jazz Investments I (-$16M), Lumentum Hldgs (-$16M), Cheesecake Factory (-$15M).
Sold out of its positions in Aerovironment, Cheesecake Factory, Duke Energy Corp, VKQ, VGM, VMO, VKI, Jazz Investments I, Lumentum Hldgs, Ncl Corp. NBH, NRK, NZF, NQP, Q2 Hldgs Inc Note 0.750 6/0, Seagate Hdd Cayman.
Mackay Shields was a net seller of stock by $-155M.
Mackay Shields has $3.0B in assets under management (AUM), dropping by 8.56%.
Central Index Key (CIK): 0000061227

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Portfolio Holdings for Mackay Shields

Mackay Shields holds 108 positions in its portfolio as reported in the June 2026 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Western Digital Corp Note 3.000%11/1 (Principal)	5.1	$151M	-42%	9.0M	16.85	View chart
Alphabet Dep Shs Rp1/20 A	4.1	$123M	NEW	2.4M	50.46	View chart
MKS Note 1.250% 6/0 (Principal)	3.6	$108M		37M	2.95	View chart
Lumentum Hldgs Note 0.500% 6/1 (Principal)	2.8	$84M	-51%	13M	6.52	View chart
Lantheus Hldgs Note 2.625%12/1 (Principal)	2.5	$74M		51M	1.46	View chart
Hewlett Packard Enterprise C 7.625 Mand Conv (HPE.PC)	2.4	$70M		601k	116.95	View chart
Cable One Note 1.125% 3/1 (Principal)	2.0	$59M	+16%	90M	0.65	View chart
Qxo 5.50 Dep Pfd (QXO.PB)	1.9	$57M		1.2M	48.74	View chart
Boeing Dep Conv Pfd A (BA.PA)	1.9	$56M		829k	67.86	View chart
Tetra Tech DBCV 2.250% 8/1 (Principal)	1.9	$55M	-3%	52M	1.05	View chart
Uber Technologies Note 0.875%12/0 (Principal)	1.8	$54M		45M	1.20	View chart
Snowflake Note 10/0 (Principal)	1.8	$54M		33M	1.66	View chart
Chefs Whse Note 2.375%12/1 (Principal)	1.8	$53M		24M	2.23	View chart
Etsy Note 0.125%10/0 (Principal)	1.7	$51M	+52%	50M	1.02	View chart
Nextera Energy Unit 06/01/2027 (NEE.PS)	1.7	$51M	+98%	941k	53.63	View chart
Pg&e Corp Note 4.250%12/0 (Principal)	1.6	$48M		47M	1.02	View chart
Microchip Technology Dep Shs Repstg (MCHPP)	1.6	$47M		604k	77.02	View chart
Blackrock Mun Target Term Tr Com Shs Ben In (BTT)	1.5	$45M	+25%	2.0M	22.75	View chart
Integer Hldgs Corp DBCV 1.875% 3/1 (Principal)	1.5	$44M		45M	0.97	View chart
Apollo Global Mgmt Ser A Mand Cnv (APO.PA)	1.5	$43M		713k	60.92	View chart
Liberty Media Corp Del Note 2.250% 8/1 (Principal)	1.4	$42M		34M	1.24	View chart
Post Hldgs Note 2.500% 8/1 (Principal)	1.4	$42M		40M	1.03	View chart
Merit Med Sys Note 3.000% 2/0 (Principal)	1.4	$41M	NEW	38M	1.08	View chart
Akamai Technologies Note 0.375% 9/0 (Principal)	1.4	$41M		34M	1.20	View chart
On Semiconductor Corp Note 5/0 (Principal)	1.4	$40M	-43%	22M	1.82	View chart
Nine Energy Service Common Stock (NINE)	1.3	$39M		3.0M	13.01	View chart
Datadog Note 12/0 (Principal)	1.3	$39M	-18%	27M	1.42	View chart
Revolution Medicines Note 0.500% 5/0 (Principal)	1.3	$38M	NEW	30M	1.25	View chart
Freshpet Note 3.000% 4/0 (Principal)	1.2	$37M		32M	1.16	View chart
Bridgebio Pharma Note 2.250% 2/0 (Principal)	1.2	$37M		33M	1.11	View chart
Irhythm Holdings Note 1.500% 9/0 (Principal)	1.2	$36M		33M	1.10	View chart
Live Nation Entertainment In Note 2.875% 1/1 (Principal)	1.2	$36M		30M	1.20	View chart
Peloton Interactive Note 5.500%12/0 (Principal)	1.2	$35M	+10%	22M	1.62	View chart
Jazz Investments I Note 3.125% 9/1 (Principal)	1.2	$35M	NEW	20M	1.71	View chart
Fluor Corp Note 1.125% 8/1 (Principal)	1.2	$35M		26M	1.32	View chart
Northern Oil & Gas Note 3.625% 4/1 (Principal)	1.1	$32M		33M	0.96	View chart
Cyberark Software Note 6/1 (Principal)	1.1	$32M	NEW	19M	1.66	View chart
Affirm Hldgs Note 0.750%12/1 (Principal)	1.1	$32M		27M	1.17	View chart
Cloudflare Note 6/1 (Principal)	1.1	$32M	NEW	25M	1.27	View chart
Unity Software Note 3/1 (Principal)	1.0	$30M		27M	1.13	View chart
Oracle Corp 6.5 Dep Cum Sr D (ORCL.PD)	1.0	$29M		646k	45.13	View chart
Meritage Homes Corp Note 1.750% 5/1 (Principal)	1.0	$29M		28M	1.03	View chart
Patrick Inds Note 1.750%12/0 (Principal)	1.0	$28M		19M	1.48	View chart
Liberty Media Corp Del Note 3.750% 3/1 (Principal)	0.9	$28M		25M	1.15	View chart
Burlington Stores Note 1.250%12/1 (Principal)	0.9	$28M	-13%	18M	1.60	View chart
Progress Software Corp Note 3.500% 3/0 (Principal)	0.9	$28M		29M	0.96	View chart
Bank Of Amer Corp 7.25%CNV PFD L (BAC.PL)	0.9	$26M		21k	1256.92	View chart
Parsons Corp Del Note 2.625% 3/0 (Principal)	0.9	$26M		26M	0.99	View chart
Biomarin Pharmaceutical Note 1.250% 5/1 (Principal)	0.9	$26M		26M	0.97	View chart
Dropbox Note 3/0 (Principal)	0.8	$25M		24M	1.01	View chart
Arrowhead Pharmaceuticals In Note 1/1 (Principal)	0.8	$24M	+581%	21M	1.19	View chart
Doordash Note 5/1 (Principal)	0.8	$24M	NEW	25M	0.99	View chart
Synaptics Note 0.750%12/0 (Principal)	0.8	$24M		16M	1.49	View chart
Guidewire Software Note 1.250%11/0 (Principal)	0.8	$24M		25M	0.96	View chart
BlackRock MuniYield New York Insured Fnd (MYN)	0.8	$24M		2.3M	10.15	View chart
BlackRock MuniHoldings Fund (MHD)	0.8	$24M		2.0M	11.90	View chart
Rivian Automotive Note 4.625% 3/1 (Principal)	0.7	$22M		19M	1.19	View chart
Greenbrier Cos Note 2.875% 4/1 (Principal)	0.7	$22M		19M	1.14	View chart
Dexcom Note 0.375% 5/1 (Principal)	0.7	$21M	-25%	22M	0.93	View chart
Upstart Hldgs Note 1.000%11/1 (Principal)	0.7	$21M		25M	0.82	View chart
Blackrock Muniyield Quality Fund (MQY)	0.6	$19M		1.6M	11.60	View chart
Shift4 Pmts Note 0.500% 8/0 (Principal)	0.6	$18M		19M	0.95	View chart
Alnylam Pharmaceuticals Note 1.000% 9/1 (Principal)	0.6	$18M		15M	1.20	View chart
Ares Management Corporation 6.75 Se B Pfd (ARES.PB)	0.6	$18M		480k	36.65	View chart
Wells Fargo & Co Perp Pfd Cnv A (WFC.PL)	0.6	$17M		15k	1157.00	View chart
Gulfport Energy Corp Common Shares (GPOR)	0.6	$17M		98k	169.70	View chart
Nutanix Note 0.500%12/1 (Principal)	0.6	$16M	-44%	17M	0.99	View chart
Workiva Note 1.250% 8/1 (Principal)	0.5	$16M		17M	0.94	View chart
Rubrik Note 6/1 (Principal)	0.5	$15M	NEW	15M	1.02	View chart
Talos Energy (TALO)	0.5	$15M	-12%	1.2M	12.91	View chart
Mgp Ingredients Note 1.875%11/1 (Principal)	0.5	$14M		14M	0.97	View chart
Advanced Energy Inds Note 2.500% 9/1 (Principal)	0.4	$13M	-87%	4.8M	2.73	View chart
Bill Holdings Note 4/0 (Principal)	0.4	$13M		15M	0.87	View chart
Alphabet Dep Shs Rp1/20 B	0.4	$13M	NEW	250k	50.39	View chart
Global Pmts Note 1.500% 3/0 (Principal)	0.4	$12M		13M	0.90	View chart
Nextera Energy Unit 02/15/2029 (NEE.PV)	0.4	$11M	NEW	229k	47.94	View chart
BlackRock MuniHoldings New Jersey Ins Fn (MUJ)	0.4	$11M	-23%	882k	12.31	View chart
Warner Bros Discovery Com Ser A (WBD)	0.3	$9.5M	+58%	358k	26.66	View chart
Life360 Note 6/0 (Principal)	0.3	$9.2M	NEW	8.9M	1.03	View chart
Guardant Health Note 11/1 (Principal)	0.3	$8.9M	NEW	7.2M	1.24	View chart
Live Nation Entertainment In Note 3.125% 1/1 (Principal)	0.3	$8.3M		4.7M	1.78	View chart
Spectrum Brands Note 3.375% 6/0 (Principal)	0.3	$8.2M		7.9M	1.04	View chart
Vertex Note 0.750% 5/0 (Principal)	0.3	$8.2M		9.2M	0.89	View chart
Teladoc Health Note 1.250% 6/0 (Principal)	0.2	$7.3M		7.5M	0.97	View chart
Cloudflare Note 8/1 (Principal)	0.2	$7.2M		5.6M	1.28	View chart
Mirum Pharmaceuticals Note 4.000% 5/0 (Principal)	0.2	$7.2M	-91%	1.9M	3.70	View chart
Wec Energy Group Note 4.375% 6/0 (Principal)	0.2	$6.4M		5.2M	1.24	View chart
Southern Note 4.500% 6/1 (Principal)	0.2	$6.1M		5.6M	1.10	View chart
Halozyme Therapeutics Note 0.250% 3/0 (Principal)	0.2	$6.0M		5.4M	1.11	View chart
Osi Systems Note 2.250% 8/0 (Principal)	0.2	$6.0M		4.5M	1.34	View chart
BlackRock MuniYield Michigan Insured Fnd (MIY)	0.2	$5.9M	-27%	480k	12.27	View chart
Spdr Gold Tr Gold Shs (GLD)	0.2	$5.6M		15k	368.38	View chart
Five9 Note 1.000% 3/1 (Principal)	0.2	$5.5M		6.2M	0.89	View chart
Nutanix Note 0.250%10/0 (Principal)	0.2	$5.2M		4.6M	1.13	View chart
Blackrock Muniyield Insured Fund (MYI)	0.2	$4.9M	-16%	439k	11.11	View chart
Southern Note 3.250% 6/1 (Principal)	0.2	$4.9M	NEW	4.8M	1.01	View chart
Integer Hldgs Corp Note 2.125% 2/1 (Principal)	0.2	$4.6M	-2%	3.8M	1.22	View chart
Abrdn Natl Mun Income Sh Ben Int (VFL)	0.1	$4.2M		402k	10.37	View chart
Ionis Pharmaceuticals Note 1.750% 6/1 (Principal)	0.1	$3.8M	-76%	2.4M	1.55	View chart
Aberdeen Mun Income Sh Ben Int (MFM)	0.1	$1.9M		334k	5.62	View chart
Blackrock MuniHoldings CA Insrd Fnd (MUC)	0.0	$1.4M	-12%	129k	10.99	View chart
Eaton Vance Municipal Bond Fund (EIM)	0.0	$1.3M		126k	9.96	View chart
Ppl Cap Fdg Note 2.875% 3/1 (Principal)	0.0	$568k		500k	1.14	View chart
New York Life Invts Active E Mackay Securiti (SECR)	0.0	$292k		12k	25.38	View chart
Blackline Note 1.000% 6/0 (Principal)	0.0	$272k	-53%	295k	0.92	View chart
Ww Intl Com New (WW)	0.0	$230k		14k	15.98	View chart
Chegg Note 9/0 (Principal)	0.0	$43k		45k	0.96	View chart
Ishares Gold Tr Ishares New (IAU)	0.0	$0	-15%	328k	0.00	View chart

Past Filings by Mackay Shields

SEC 13F filings are viewable for Mackay Shields going back to 2011

Mackay Shields 2026 Q2 filed July 28, 2026
Mackay Shields 2026 Q1 filed April 27, 2026
Mackay Shields 2025 Q4 filed Jan. 29, 2026
Mackay Shields 2025 Q3 filed Oct. 27, 2025
Mackay Shields 2025 Q2 filed July 24, 2025
Mackay Shields 2025 Q1 filed April 29, 2025
Mackay Shields 2024 Q4 filed Feb. 4, 2025
Mackay Shields 2024 Q3 filed Oct. 31, 2024
Mackay Shields 2024 Q2 filed Aug. 8, 2024
Mackay Shields 2024 Q1 filed May 3, 2024
Mackay Shields 2023 Q4 filed Feb. 2, 2024
Mackay Shields 2023 Q3 filed Oct. 25, 2023
Mackay Shields 2023 Q2 filed July 27, 2023
Mackay Shields 2023 Q1 filed April 27, 2023
Mackay Shields 2022 Q4 filed Jan. 31, 2023
Mackay Shields 2022 Q3 filed Nov. 2, 2022

View all past filings

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