MACKAY SHIELDS LLC

Fundamental concentrated ★Highest signal CIK 61227
League rank
#557
in Fundamental concentrated · #5103 overall
Long book
$617.8M
Q1 2026
Positions
37
Top-10 weight
62%
concentration
Last quarter
+1.4%
SPY +14.8%
Turnover
33%
of book per quarter

Strategy in plain words

auto-generated from filings

MACKAY SHIELDS LLC is a concentrated fundamental stock-picker, running a $617.8M US long book across 37 positions.

The portfolio is concentrated: the top 10 names carry 62% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: QXO INC, BOEING CO/THE, APOLLO GLOBAL MANAGEMENT, HP ENTERPRISE CO, BLACKROCK 2030 MUNI TRGT TRM.

Over the last 9 quarters its long book ran on average 2.8pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-1.7%
Q2 2024
+5.0%
Q3 2024
-3.0%
Q4 2024
+0.0%
Q1 2025
+2.2%
Q2 2025
+3.0%
Q3 2025
+4.9%
Q4 2025
+3.4%
Q1 2026
+1.4%

Sector allocation

Other
42%
Energy
16%
Consumer discretionary
15%
Technology
15%
Utilities
6%
Financials
4%
Communications
1%
Services media
0%

Long book by quarter

$753.8M
Q1 2024
$759.3M
Q2 2024
$805.1M
Q3 2024
$796.7M
Q4 2024
$824.8M
Q1 2025
$866.8M
Q2 2025
$740.9M
Q3 2025
$662.4M
Q4 2025
$617.8M
Q1 2026

What does MACKAY SHIELDS own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
QXO QXO INCConsumer discretionary1.2M$65.3M10.6%-0.1%
BA 6 10/15/27 BOEING CO/THE829.4K$53.9M8.7%-0.1%
APO 6.75 07/31/26 APOLLO GLOBAL MANAGEMENT713.8K$42.0M6.8%-0.1%
HPE 7.625 09/01/27 HP ENTERPRISE CO601.9K$39.0M6.3%+0.7%
MCHP MICROCHIP TECHNOLOGY INCTechnology601.0K$34.3M5.6%-0.1%
ORCL ORACLE CORPTechnology646.8K$29.7M4.8%New
NEE NEXTERA ENERGY INCUtilities472.9K$26.7M4.3%+2.1%
NINE NINE ENERGY SERVICE INCEnergy3.1M$25.1M4.1%New
BAC 7.25 PERP L BANK OF AMERICA CORP20.9K$24.9M4.0%-0.3%
TALO TALOS ENERGY INCEnergy1.3M$20.9M3.4%-55.8%
GPOR GULFPORT ENERGY CORPEnergy98.6K$20.9M3.4%-9.2%
ARES ARES MANAGEMENT CORPFinancials480.0K$17.8M2.9%+1.5%
WFC 7.5 PERP L WELLS FARGO & COMPANY14.8K$17.1M2.8%-0.1%
WBD WARNER BROS DISCOVERY INCCommunications226.3K$6.2M1.0%Held
WW WW INTERNATIONAL INC-NEWServices media14.4K$197K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 27, 2026307$2.73B canonicalSEC ↗
Q4 202513F-HRJan 29, 2026340$2.86B canonicalSEC ↗
Q3 202513F-HROct 27, 2025354$2.94B canonicalSEC ↗
Q2 202513F-HRJul 24, 2025364$3.12B canonicalSEC ↗
Q1 202513F-HRApr 29, 2025361$3.11B canonicalSEC ↗
Q4 202413F-HRFeb 4, 2025367$3.39B canonicalSEC ↗
Q3 202413F-HROct 31, 2024368$3.65B canonicalSEC ↗
Q2 202413F-HRAug 8, 2024345$3.29B canonicalSEC ↗
Q1 202413F-HRMay 3, 2024361$3.61B canonicalSEC ↗