Latest MACKAY SHIELDS LLC Stock Portfolio

MACKAY SHIELDS LLC Performance:

2025 Q4: 3.81%YTD: 7.02%2024: 6.57%

Performance for 2025 Q4 is 3.81%, and YTD is 7.02%, and 2024 is 6.57%.

About MACKAY SHIELDS LLC and 13F Hedge Fund Stock Holdings

MACKAY SHIELDS LLC is a hedge fund based in New York, NY. On 2026-01-29, the fund reported it's updated stock portfolio. In the 13F Holdings report, MACKAY SHIELDS LLC reported an equity portfolio of $2.9 Billions as of 31 Dec, 2025.

The top stock holdings of MACKAY SHIELDS LLC are , HPE, IAU. The fund has invested 1.9% 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 NUVEEN AMT FREE QLTY MUN INC, VODAFONE GROUP PLC NEW (VOD) and NINE ENERGY SERVICE INC (NINE) stocks. They significantly reduced their stock positions in NUVEEN MUNICIPAL CREDIT INC, WARNER BROS DISCOVERY INC (WBD) and GULFPORT ENERGY CORP (GPOR). MACKAY SHIELDS LLC opened new stock positions in SPDR SERIES TRUST (BIL) and NEW YORK LIFE INVTS ACTIVE E (ESGB).

MACKAY SHIELDS LLC Annual Return Estimates Vs S&P 500

Our best estimate is that MACKAY SHIELDS LLC made a return of 3.81% in the last quarter. In trailing 12 months, it's portfolio return was 7.02%.

Performance
S&P 500

New Buys

Ticker	$ Bought
datadog inc	33,844,300
live nation entertainment in	31,258,300
nutanix inc	28,632,900
guidewire software inc	27,712,000
affirm hldgs inc	26,921,400
upstart hldgs inc	22,053,500
synaptics inc	17,106,800
bill holdings inc	13,926,300

New stocks bought by MACKAY SHIELDS LLC

Additions

Ticker	% Inc.
bank america corp	19.01
snowflake inc	13.16
irhythm technologies inc	5.92
cable one inc	2.93
lantheus hldgs inc	1.87
tetra tech inc new	1.75
aerovironment inc	1.21

Additions to existing portfolio by MACKAY SHIELDS LLC

Reductions

Ticker	% Reduced
halozyme therapeutics inc	-89.63
nutanix inc	-88.85
osi systems inc	-86.1
oil sts intl inc	-80.6
nuveen municipal credit inc	-76.93
invesco advantage mun income	-73.88
ionis pharmaceuticals inc	-62.54
conmed corp	-54.72

MACKAY SHIELDS LLC reduced stake in above stock

Sold off

Ticker	$ Sold
lumentum hldgs inc	-21,889,000
pebblebrook hotel tr	-4,851,570
shift4 pmts inc	-4,903,250
exact sciences corp	-3,725,550
nuveen amt free qlty mun inc	-20,517,000
nuveen amt free mun cr inc f	-14,323,600
nuveen quality muncp income	-12,369,100
southern co	-738,016

MACKAY SHIELDS LLC got rid off the above stocks

Sector Distribution

MACKAY SHIELDS LLC has about 65.6% of it's holdings in Others sector.

Sector	%
Others	65.6
Technology	15.9
Energy	11.8
Utilities	5.1
Communication Services	1.4

Market Cap. Distribution

MACKAY SHIELDS LLC has about 22.3% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
UNALLOCATED	65.6
LARGE-CAP	22.3
SMALL-CAP	7.2
MID-CAP	4.8

Stocks belong to which Index?

About 34.4% of the stocks held by MACKAY SHIELDS LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
Others	65.6
S&P 500	22.3
RUSSELL 2000	12.1

Top 5 Winners (%)		%
WBD	warner bros discovery inc	37.2 %
TALO	talos energy inc	14.7 %
GPOR	gulfport energy corp	13.7 %
GLD	spdr gold tr	11.5 %
IAU	ishares gold tr	11.0 %

Top 5 Winners ($)		$
TALO	talos energy inc	4.4 M
IAU	ishares gold tr	4.2 M
	apollo global mgmt inc	3.5 M
GPOR	gulfport energy corp	3.2 M
WBD	warner bros discovery inc	2.9 M

Top 5 Losers (%)		%
	blackrock muniyild qult fd i	-3.0 %
HPE	hewlett packard enterprise c	-2.8 %
	blackrock munihldngs cali ql	-2.3 %
	eaton vance mun bd fd	-2.1 %
	neuberger mun fd inc	-1.9 %

Top 5 Losers ($)		$
HPE	hewlett packard enterprise c	-1.1 M
MCHP	microchip technology inc.	-0.4 M
	neuberger mun fd inc	-0.2 M
	blackrock munihldngs cali ql	-0.2 M
	blackrock muniyild qult fd i	-0.1 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 43 stocks in it's portfolio. About 11.1% of the portfolio is in top 10 stocks. HPE 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: 29 Jan, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AEIS	advanced energy inds	2.56	44,638,000	73,283,300	reduced	-1.19

AFRM	affirm hldgs inc	0.94	24,259,000	26,921,400	new

AKAM	akamai technologies inc	1.19	33,859,000	34,014,000	reduced	-22.06

ALNY	alnylam pharmaceuticals inc	0.76	14,838,000	21,846,900	reduced	-2.3

AMPH	amphastar pharmaceuticals in	0.28	8,733,000	8,096,350	reduced	-24.78

ARES	ares management corporation	0.84	473,045	23,909,200	reduced	-1.63

AVAV	aerovironment inc	0.39	10,210,000	11,103,400	added	1.21

BA	boeing co	2.02	830,097	57,663,000	reduced	-1.41

BAC	bank america corp	0.92	20,927	26,202,300	added	19.01

BATRA	liberty media corp del	1.51	34,036,000	43,128,500	reduced	-1.15

BATRA	liberty media corp del	1.04	29,575,000	29,767,200	reduced	-0.87

BBIO	bridgebio pharma inc	1.13	28,678,000	32,298,600	reduced	-0.84

BIL	spdr series trust	0.04	13,633	1,216,060	new

BILL	bill holdings inc	0.49	15,102,000	13,926,300	new

BILL	bill holdings inc	0.00	0.00	0.00	sold off	-100

BL	blackline inc	0.02	635,000	671,417	reduced	-36.5

BMRN	biomarin pharmaceutical inc	1.16	34,655,000	33,268,600	reduced	-1.57

BSY	bentley sys inc	0.15	4,346,000	4,337,850	reduced	-6.76

BURL	burlington stores inc	1.06	20,379,000	30,283,200	reduced	-0.89

CABO	cable one inc	1.98	69,399,000	56,650,400	added	2.93