MacKay Shields LLC

Reported value$2.99Bas of Jun 30, 2026

Positions108 13 new, 16 sold out

Top 10 weight28%Western Digital Corp alone is 5%

FiledJul 2828 days after quarter end

Portfolio · as of Jun 30, 2026

Where the money is

New or addedTrimmedHeld

Western Digital Corp

Western Digital Corp

5.1%Trimmed

GOOGM

Alphabet Inc

4.1%New

MKS Inc.

MKS Inc.

3.6%

Lumentum Hldgs Inc

Lumentum Hldgs Inc

2.8%Trimmed

Lantheus Hldgs Inc

Lantheus Hldgs Inc

2.5%

HPEPRC

Hewlett Packard Enterprise C

2.4%

Cable One Inc

Cable One Inc

2.0%Added

QXOPRB

BAPRA

Tetra Tech Inc New

Tetra Tech Inc New

1.9%Trimmed

98 others

72.0%

Box size is the share of the fund's reported holdings. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.

What changed

Biggest moves since Mar 31, 2026

Filed Jul 28, 2026, compared with the Apr 27, 2026 filing

add_circleNew

GOOGM $123M
Merit Med Sys Inc $41.1M
Revolution Medicines Inc $38.1M
Jazz Investments I Ltd $34.7M

arrow_upwardAdded

Arrowhead Pharmaceuticals In +582%
NEEPRS +99%
WBD +58%
Etsy Inc +52%

arrow_downwardTrimmed

Mirum Pharmaceuticals Inc −92%
Advanced Energy Inds −88%
Lumentum Hldgs Inc −52%
Nutanix Inc −44%

remove_circleSold out

NCL Corp Ltd $38M
Seagate HDD Cayman $31.5M
Jazz Investments I Ltd $15.9M
Lumentum Hldgs Inc $15.6M