Latest MACKAY SHIELDS LLC Stock Portfolio

MACKAY SHIELDS LLC Performance:

2026 Q1: -0.08%YTD: -0.08%2025: 7.02%

Performance for 2026 Q1 is -0.08%, and YTD is -0.08%, and 2025 is 7.02%.

About MACKAY SHIELDS LLC and 13F Hedge Fund Stock Holdings

MACKAY SHIELDS LLC is a hedge fund based in New York, NY. On 2026-04-27, the fund reported it's updated stock portfolio. In the 13F Holdings report, MACKAY SHIELDS LLC reported an equity portfolio of $2.7 Billions as of 31 Mar, 2026.

The top stock holdings of MACKAY SHIELDS LLC are , HPE, . The fund has invested 1.5% of it's portfolio in APOLLO GLOBAL MGMT INC and 1.4% of portfolio in HEWLETT PACKARD ENTERPRISE C.

The fund managers got completely rid off BLACKROCK MUNIHLDGS NY QLTY, SPDR SERIES TRUST (BIL) and TURNING PT BRANDS INC (TPB) stocks. They significantly reduced their stock positions in BLACKROCK MUNIHLDNGS CALI, TALOS ENERGY INC (TALO) and ISHARES GOLD TR (IAU). MACKAY SHIELDS LLC opened new stock positions in ORACLE CORP (ORCL), NINE ENERGY SERVICE INC (NINE) and BLACKROCK MUNIYIELD QUALITY. The fund showed a lot of confidence in some stocks as they added substantially to BLACKROCK MUNIYILD QULT FD I, NEW YORK LIFE INVTS ACTIVE E (ESGB) and NEXTERA ENERGY INC (NEE).

MACKAY SHIELDS LLC Annual Return Estimates Vs S&P 500

Our best estimate is that MACKAY SHIELDS LLC made a return of -0.08% in the last quarter. In trailing 12 months, it's portfolio return was 7.91%.

Performance
S&P 500

New Buys

Ticker	$ Bought
integer hldgs corp	43,284,900
oracle corp	29,719,500
unity software inc	26,841,900
peloton interactive inc	26,005,400
nine energy service inc	25,144,800
blackrock muniyield quality	5,530,950
arrowhead pharmaceuticals in	3,111,300

New stocks bought by MACKAY SHIELDS LLC

Additions

Ticker	% Inc.
blackrock muniyild qult fd i	345
blackrock muniyield n y qual	100
freshpet inc	48.92
aerovironment inc	29.48
bridgebio pharma inc	16.17
blackrock mun target term tr	14.82
affirm hldgs inc	11.92
cable one inc	11.47

Additions to existing portfolio by MACKAY SHIELDS LLC

Reductions

Ticker	% Reduced
blackrock munihldngs cali	-85.04
nuveen mun cr income fd	-82.85
eaton vance mun bd fd	-60.55
invesco advantage mun income	-57.15
talos energy inc	-55.82
lumentum hldgs inc	-54.13
five9 inc	-51.07
teladoc health inc	-50.61

MACKAY SHIELDS LLC reduced stake in above stock

Sold off

Ticker	$ Sold
tyler tex indpt sch dist	-30,728,300
ford mtr co	-31,314,900
cable one inc	-24,662,800
rapid7 inc	-11,699,000
impinj inc	-16,138,500
amphastar pharmaceuticals in	-8,096,350
haemonetics corp mass	-8,405,030
conmed corp	-6,694,030

MACKAY SHIELDS LLC got rid off the above stocks

Sector Distribution

MACKAY SHIELDS LLC has about 53.7% of it's holdings in Others sector.

Sector	%
Others	53.7
Technology	23.5
Energy	15.3
Utilities	6.1
Communication Services	1.4

Market Cap. Distribution

MACKAY SHIELDS LLC has about 31% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
UNALLOCATED	53.7
LARGE-CAP	24.2
MID-CAP	9.5
MEGA-CAP	6.8
NANO-CAP	5.7

Stocks belong to which Index?

About 40.6% of the stocks held by MACKAY SHIELDS LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
Others	59.5
S&P 500	31
RUSSELL 2000	9.6

Top 5 Winners (%)		%
TALO	talos energy inc	31.0 %
NEE	nextera energy inc	9.0 %
GLD	spdr gold tr	8.6 %
IAU	ishares gold tr	7.8 %
GPOR	gulfport energy corp	1.6 %

Top 5 Winners ($)		$
TALO	talos energy inc	10.3 M
IAU	ishares gold tr	3.0 M
NEE	nextera energy inc	2.2 M
GLD	spdr gold tr	0.5 M
GPOR	gulfport energy corp	0.4 M

Top 5 Losers (%)		%
WW	ww intl inc	-53.0 %
	apollo global mgmt inc	-22.1 %
WBD	warner bros discovery inc	-4.7 %
	invesco tr invt grade muns	-4.0 %
	blackrock muniholdings fd in	-3.8 %

Top 5 Losers ($)		$
	apollo global mgmt inc	-11.9 M
	blackrock muniholdings fd in	-1.0 M
HPE	hewlett packard enterprise c	-0.9 M
MCHP	microchip technology inc.	-0.8 M
	blackrock muniyield n y qual	-0.5 M

MACKAY SHIELDS LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of MACKAY SHIELDS LLC

MACKAY SHIELDS LLC has 32 stocks in it's portfolio. About 11.4% of the portfolio is in top 10 stocks. proved to be the most loss making stock for the portfolio. TALO was the most profitable stock for MACKAY SHIELDS LLC last quarter.

Last Reported on: 27 Apr, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AEIS	advanced energy inds	3.50	39,644,000	95,383,200	reduced	-11.19

AFRM	affirm hldgs inc	0.93	27,150,000	25,467,300	added	11.92

AKAM	akamai technologies inc	1.44	33,819,000	39,249,700	reduced	-0.12

ALNY	alnylam pharmaceuticals inc	0.70	14,844,000	19,053,200	added	0.04

AMPH	amphastar pharmaceuticals in	0.00	0.00	0.00	sold off	-100

ARES	ares management corporation	0.65	480,034	17,810,600	added	1.48

ARWR	arrowhead pharmaceuticals in	0.11	3,000,000	3,111,300	new

AVAV	aerovironment inc	0.48	13,220,000	12,961,300	added	29.48

BA	boeing co	1.98	829,414	53,888,400	reduced	-0.08

BAC	bank america corp	0.91	20,867	24,884,800	reduced	-0.29

BATRA	liberty media corp del	1.44	33,972,000	39,259,700	reduced	-0.19

BATRA	liberty media corp del	0.93	24,458,000	25,477,300	reduced	-17.3

BBIO	bridgebio pharma inc	1.37	33,315,000	37,363,500	added	16.17

BIL	spdr series trust	0.00	0.00	0.00	sold off	-100

BILL	bill holdings inc	0.49	15,102,000	13,467,200	unchanged	0.00

BL	blackline inc	0.02	635,000	598,329	unchanged	0.00

BMRN	biomarin pharmaceutical inc	0.94	26,502,000	25,563,300	reduced	-23.53

BSY	bentley sys inc	0.00	0.00	0.00	sold off	-100

BURL	burlington stores inc	1.24	20,379,000	33,727,200	unchanged	0.00

CABO	cable one inc	2.14	77,359,000	58,367,400	added	11.47