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MacKay Shields

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

Top 5 stock holdings are Seagate Hdd Cayman, QXO.PB, Tetra Tech, Uber Technologies, Mirum Pharmaceuticals Inc Note 4.000 5/0, and represent 11.18% of Mackay Shields's stock portfolio.
Added to shares of these 10 stocks: Halozyme Therapeutics (+$58M), Osi Systems (+$47M), Snowflake (+$40M), Freshpet (+$24M), NEE.PS (+$23M), GPOR (+$21M), QXO.PB (+$15M), Aerovironment (+$13M), WBD (+$7.8M), Wec Energy Group (+$6.8M).
Started 10 new stock positions in Aerovironment, Osi Systems, WW, Southern, Halozyme Therapeutics, Snowflake, Wec Energy Group, WBD, NEE.PS, Freshpet.
Reduced shares in these 10 stocks: Nice (-$57M), Halozyme Therapeutics Inc Note 1.000 8/1 (-$50M), Nextera Energy (-$48M), Centennial Resource Dev (-$36M), NEA (-$25M), GTLS.PB (-$24M), Kosmos Energy (-$22M), NZF (-$20M), NAC (-$19M), FET (-$16M).
Sold out of its positions in American Airls Group, MYI, Centennial Resource Dev, GTLS.PB, Envista Holdings Corporation, FET, Halozyme Therapeutics Inc Note 1.000 8/1, Kosmos Energy, Ncl Corp Ltd Note 5.375 8/0, Nextera Energy. Nice, NAN, NBB, Okta, MAV, MHI, Solaredge Technologies, Summit Hotel Properties, Transmedics Group.
Mackay Shields was a net seller of stock by $-316M.
Mackay Shields has $2.9B in assets under management (AUM), dropping by -5.87%.
Central Index Key (CIK): 0000061227

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Portfolio Holdings for Mackay Shields

Mackay Shields holds 136 positions in its portfolio as reported in the September 2025 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Seagate Hdd Cayman Note 3.500% 6/0 (Principal)	2.5	$74M	-15%	26M	2.88	View chart
Qxo 5.50 Dep Pfd (QXO.PB)	2.2	$65M	+29%	1.2M	54.99	View chart
Tetra Tech DBCV 2.250% 8/1 (Principal)	2.2	$64M	-9%	59M	1.08	View chart
Uber Technologies Note 0.875%12/0 (Principal)	2.2	$63M		43M	1.47	View chart
Mirum Pharmaceuticals Note 4.000% 5/0 (Principal)	2.1	$63M	-5%	26M	2.40	View chart
Advanced Energy Inds Note 2.500% 9/1 (Principal)	2.1	$63M		45M	1.39	View chart
Western Digital Corp Note 3.000%11/1 (Principal)	2.1	$62M		19M	3.21	View chart
Pg&e Corp Note 4.250%12/0 (Principal)	2.1	$61M		60M	1.01	View chart
Lantheus Hldgs Note 2.625%12/1 (Principal)	2.0	$59M		56M	1.05	View chart
Boeing Dep Conv Pfd A (BA.PA)	2.0	$59M		842k	69.53	View chart
Halozyme Therapeutics Note 0.250% 3/0 (Principal)	2.0	$58M	NEW	51M	1.14	View chart
Cable One Note 1.125% 3/1 (Principal)	2.0	$58M	+6%	67M	0.86	View chart
Post Hldgs Note 2.500% 8/1 (Principal)	1.9	$56M	-14%	50M	1.12	View chart
Nutanix Note 0.250%10/0 (Principal)	1.9	$56M		41M	1.38	View chart
Apollo Global Mgmt Ser A Mand Cnv (APO.PA)	1.7	$51M		722k	70.28	View chart
Osi Systems Note 2.250% 8/0 (Principal)	1.6	$47M	NEW	33M	1.45	View chart
Liberty Media Corp Del Note 2.250% 8/1 (Principal)	1.6	$46M		34M	1.33	View chart
On Semiconductor Corp Note 5/0 (Principal)	1.5	$46M	-11%	40M	1.14	View chart
Irhythm Technologies Note 1.500% 9/0 (Principal)	1.4	$43M		31M	1.38	View chart
Lumentum Hldgs Note 0.500% 6/1 (Principal)	1.4	$43M		30M	1.40	View chart
Akamai Technologies Note 0.375% 9/0 (Principal)	1.4	$42M		43M	0.96	View chart
Hewlett Packard Enterprise C 7.625 Mand Conv (HPE.PC)	1.4	$41M		605k	67.90	View chart
MKS Note 1.250% 6/0 (Principal)	1.4	$41M		37M	1.10	View chart
Ncl Corp Note 1.125% 2/1 (Principal)	1.4	$40M		39M	1.03	View chart
Snowflake Note 10/0 (Principal)	1.4	$40M	NEW	26M	1.52	View chart
Shift4 Pmts Note 0.500% 8/0 (Principal)	1.3	$39M		40M	0.99	View chart
Etsy Note 0.125%10/0 (Principal)	1.3	$39M		38M	1.04	View chart
Ionis Pharmaceuticals Note 1.750% 6/1 (Principal)	1.3	$39M		28M	1.39	View chart
Ishares Gold Tr Ishares New (IAU)	1.3	$38M	-5%	525k	72.77	View chart
Meritage Homes Corp Note 1.750% 5/1 (Principal)	1.3	$38M		37M	1.03	View chart
Patrick Inds Note 1.750%12/0 (Principal)	1.3	$38M	-20%	23M	1.62	View chart
Microchip Technology Dep Shs Repstg (MCHPP)	1.2	$36M		609k	59.18	View chart
Chefs Whse Note 2.375%12/1 (Principal)	1.2	$35M	-30%	24M	1.44	View chart
Dexcom Note 0.375% 5/1 (Principal)	1.2	$34M		37M	0.91	View chart
Tyler Tex Indpt Sch Dist Note 0.250% 3/1 (Principal)	1.1	$34M		31M	1.10	View chart
Biomarin Pharmaceutical Note 1.250% 5/1 (Principal)	1.1	$34M	-20%	35M	0.95	View chart
Northern Oil & Gas Note 3.625% 4/1 (Principal)	1.1	$32M		32M	1.01	View chart
Blackrock Mun Target Term Tr Com Shs Ben In (BTT)	1.1	$32M	-9%	1.4M	22.46	View chart
Fluor Corp Note 1.125% 8/1 (Principal)	1.1	$32M		27M	1.19	View chart
Ford Mtr Note 3/1 (Principal)	1.1	$31M		31M	1.01	View chart
Liberty Media Corp Del Note 3.750% 3/1 (Principal)	1.1	$31M		30M	1.04	View chart
Parsons Corp Del Note 2.625% 3/0 (Principal)	1.0	$30M		26M	1.14	View chart
Talos Energy (TALO)	1.0	$30M		3.1M	9.59	View chart
Progress Software Corp Note 3.500% 3/0 (Principal)	1.0	$29M		29M	1.01	View chart
Bridgebio Pharma Note 2.250% 2/0 (Principal)	1.0	$29M		29M	0.99	View chart
Burlington Stores Note 1.250%12/1 (Principal)	0.9	$28M		21M	1.35	View chart
Q2 HLDGS Note 0.750% 6/0 (Principal)	0.9	$27M		26M	1.04	View chart
Dropbox Note 3/0 (Principal)	0.9	$26M		25M	1.03	View chart
BlackRock MuniHoldings Fund (MHD)	0.9	$26M		2.2M	11.75	View chart
Alnylam Pharmaceuticals Note 1.000% 9/1 (Principal)	0.8	$25M		15M	1.64	View chart
Cable One Note 3/1 (Principal)	0.8	$24M		25M	0.98	View chart
Global Pmts Note 1.500% 3/0 (Principal)	0.8	$24M	-3%	27M	0.92	View chart
Freshpet Note 3.000% 4/0 (Principal)	0.8	$24M	NEW	22M	1.13	View chart
Ares Management Corporation 6.75 Se B Pfd (ARES.PB)	0.8	$24M		481k	50.04	View chart
Gulfport Energy Corp Common Shares (GPOR)	0.8	$24M	+756%	131k	180.98	View chart
Nextera Energy Unit 06/01/2027 (NEE.PS)	0.8	$23M	NEW	466k	49.87	View chart
Bank America Corp 7.25%CNV PFD L (BAC.PL)	0.8	$23M	-3%	18k	1282.90	View chart
Lumentum Hldgs Note 1.500%12/1 (Principal)	0.7	$22M		9.1M	2.42	View chart
Oil Sts Intl Note 4.750% 4/0 (Principal)	0.7	$21M		21M	1.00	View chart
Greenbrier Cos Note 2.875% 4/1 (Principal)	0.7	$21M		19M	1.07	View chart
Nuveen Insured Tax-Free Adv Munici (NEA)	0.7	$21M	-54%	1.8M	11.39	View chart
Rivian Automotive Note 4.625% 3/1 (Principal)	0.7	$19M		19M	1.04	View chart
Wells Fargo Perp Pfd Cnv A (WFC.PL)	0.6	$19M	-2%	15k	1234.29	View chart
Vertex Note 0.750% 5/0 (Principal)	0.6	$19M		18M	1.02	View chart
Nuveen Municipal Credit Com Sh Ben Int (NZF)	0.6	$18M	-52%	1.4M	12.56	View chart
Workiva Note 1.250% 8/1 (Principal)	0.6	$17M		17M	0.99	View chart
Impinj Note 1.125% 5/1 (Principal)	0.6	$17M		10M	1.67	View chart
Cheesecake Factory Note 0.375% 6/1 (Principal)	0.5	$16M	-23%	16M	1.00	View chart
Conmed Corp Note 2.250% 6/1 (Principal)	0.5	$15M	-40%	15M	0.95	View chart
Teladoc Health Note 1.250% 6/0 (Principal)	0.5	$14M		15M	0.94	View chart
Nuveen Insd Dividend Advantage (NVG)	0.5	$14M	-51%	1.2M	12.29	View chart
BlackRock MuniHoldings New Jersey Ins Fn (MUJ)	0.5	$14M		1.2M	11.59	View chart
Jazz Investments I Note 2.000% 6/1 (Principal)	0.5	$14M	-49%	13M	1.07	View chart
Mgp Ingredients Note 1.875%11/1 (Principal)	0.5	$14M	-25%	15M	0.95	View chart
Neuberger Ber. Intermediate Muni. Fund (NBH)	0.4	$13M	+4%	1.2M	10.32	View chart
Aerovironment Note 7/1 (Principal)	0.4	$13M	NEW	10M	1.24	View chart
Nuveen Div. Advantage Muni. Fund (NAD)	0.4	$12M	-52%	1.1M	11.69	View chart
BlackRock MuniHoldings New York Insured (MHN)	0.4	$12M		1.2M	10.22	View chart
Five9 Note 1.000% 3/1 (Principal)	0.4	$12M	+2%	13M	0.89	View chart
BlackRock MuniYield New York Insured Fnd (MYN)	0.4	$12M		1.2M	9.93	View chart
Rapid7 Note 1.250% 3/1 (Principal)	0.4	$12M		13M	0.89	View chart
Blackrock MuniHoldings CA Insrd Fnd (MUC)	0.4	$11M		981k	10.85	View chart
Amphastar Pharmaceuticals In Note 2.000% 3/1 (Principal)	0.4	$11M	-42%	12M	0.91	View chart
Blackrock Muniyield Quality Fund II (MQT)	0.4	$10M		1.0M	10.03	View chart
Haemonetics Corp Mass Note 3/0 (Principal)	0.3	$8.8M	-58%	8.9M	0.98	View chart
BlackRock MuniVest Fund (MVF)	0.3	$8.4M	-7%	1.2M	6.86	View chart
Blackrock Mun Income Tr Sh Ben Int (BFK)	0.3	$8.4M		834k	10.05	View chart
Lumentum Hldgs Note 0.500%12/1 (Principal)	0.3	$8.3M	-3%	4.9M	1.68	View chart
Nuveen Ins Ny Tx Fr Adv Mun (NRK)	0.3	$8.1M		798k	10.20	View chart
Live Nation Entertainment In Note 3.125% 1/1 (Principal)	0.3	$7.9M	-3%	4.9M	1.61	View chart
Warner Bros Discovery Com Ser A (WBD)	0.3	$7.8M	NEW	400k	19.53	View chart
Spectrum Brands Note 3.375% 6/0 (Principal)	0.3	$7.6M	-50%	8.1M	0.93	View chart
Blackrock Muniyield Fund (MYD)	0.3	$7.5M	-4%	712k	10.56	View chart
BlackRock MuniYield Michigan Insured Fnd (MIY)	0.3	$7.5M		665k	11.28	View chart
Cloudflare Note 8/1 (Principal)	0.2	$7.2M	-3%	5.8M	1.25	View chart
Wec Energy Group Note 4.375% 6/0 (Principal)	0.2	$6.8M	NEW	5.5M	1.23	View chart
Southern Note 4.500% 6/1 (Principal)	0.2	$6.4M	NEW	5.7M	1.11	View chart
Expedia Group Note 2/1 (Principal)	0.2	$6.2M		6.2M	1.01	View chart
Nuveen CA Dividend Advantage Muni. Fund (NAC)	0.2	$5.9M	-76%	511k	11.50	View chart
Vail Resorts Note 1/0 (Principal)	0.2	$5.7M	-3%	5.8M	0.99	View chart
Dropbox Note 3/0 (Principal)	0.2	$5.6M	-3%	5.7M	0.99	View chart
Spdr Gold Tr Gold Shs (GLD)	0.2	$5.5M		15k	355.47	View chart
BlackRock Insured Municipal Income Trust (BYM)	0.2	$5.3M		480k	10.95	View chart
Integer Hldgs Corp Note 2.125% 2/1 (Principal)	0.2	$5.2M	-3%	4.0M	1.30	View chart
Shift4 Pmts Note 12/1 (Principal)	0.2	$4.9M	-3%	4.8M	1.03	View chart
Pebblebrook Hotel Tr Note 1.750%12/1 (Principal)	0.2	$4.9M	-3%	4.9M	0.99	View chart
Bentley Sys Note 0.125% 1/1 (Principal)	0.2	$4.6M	-42%	4.7M	0.99	View chart
Vodafone Group Sponsored Adr (VOD)	0.1	$4.3M	-37%	371k	11.60	View chart
Blackrock Muniyield Quality Fund (MQY)	0.1	$4.2M		358k	11.65	View chart
Eaton Vance New York Municipal Bond Fund (ENX)	0.1	$4.2M		422k	9.86	View chart
Abrdn Natl Mun Income Sh Ben Int (VFL)	0.1	$4.1M		402k	10.26	View chart
BlackRock Municipal Income Trust II (BLE)	0.1	$3.8M	-36%	364k	10.45	View chart
Invesco Van Kampen Trust For Inv Grd Mun (VGM)	0.1	$3.7M		370k	10.12	View chart
Exact Sciences Corp Note 0.375% 3/0 (Principal)	0.1	$3.7M	-3%	4.0M	0.92	View chart
Invesco Advantage Mun Income Sh Ben Int (VKI)	0.1	$3.6M		405k	8.77	View chart
Ionis Pharmaceuticals Note 4/0 (Principal)	0.1	$3.5M	-3%	2.8M	1.23	View chart
Eaton Vance Municipal Bond Fund (EIM)	0.1	$3.2M	-20%	319k	9.94	View chart
Invesco Van Kampen Municipal Trust (VKQ)	0.1	$3.1M		325k	9.65	View chart
Invesco Van Kampen Muni Opp Trust (VMO)	0.1	$3.0M		308k	9.67	View chart
Nuveen PA Investnt Quality Municipal (NQP)	0.1	$2.8M		233k	12.00	View chart
Mfs Mun Income Tr Sh Ben Int (MFM)	0.1	$2.3M	+30%	433k	5.39	View chart
Blackrock N Y Mun Income Tru Sh Ben Int (BNY)	0.1	$2.2M		219k	10.12	View chart
Dws Municipal Income Cf non-tax cef (KTF)	0.0	$1.2M		131k	9.17	View chart
BlackRock Inv. Quality Munic. Trust (BKN)	0.0	$1.0M		92k	11.34	View chart
Blackline Note 1.000% 6/0 (Principal)	0.0	$1.0M		1.0M	1.04	View chart
Invesco Quality Municipal Inc Trust (IQI)	0.0	$936k	-49%	95k	9.85	View chart
Southern Note 3.875%12/1 (Principal)	0.0	$737k		655k	1.13	View chart
Blackrock Munivest Fund II (MVT)	0.0	$698k		66k	10.63	View chart
Turning Pt Brands (TPB)	0.0	$672k		6.8k	98.86	View chart
Ppl Cap Fdg Note 2.875% 3/1 (Principal)	0.0	$574k		503k	1.14	View chart
Duke Energy Corp Note 4.125% 4/1 (Principal)	0.0	$543k		505k	1.07	View chart
Ww Intl Com New (WW)	0.0	$393k	NEW	14k	27.36	View chart
Invesco Van Kampen Penn Vl MI Trust (VPV)	0.0	$149k		14k	10.33	View chart
Bill Holdings Note 12/0 (Principal)	0.0	$74k		75k	0.98	View chart
Nine Energy Service (NINE)	0.0	$74k	-3%	116k	0.63	View chart
Chegg Note 9/0 (Principal)	0.0	$35k		45k	0.79	View chart

Past Filings by Mackay Shields

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

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
Mackay Shields 2022 Q2 filed Aug. 3, 2022
Mackay Shields 2022 Q1 filed May 13, 2022
Mackay Shields 2021 Q4 filed Feb. 4, 2022

View all past filings

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