MACKAY SHIELDS LLC

Q4 2025 13F Holdings Report, Stock Holdings

Signature - Title
Chris Fitzgerald - Chief Compliance Officer
Location
New York, NY
Holdings as of
31 Dec 2025
Value $
$2,857,443,441
Num holdings
132
Filing time
28 Jan 2026, 21:47:27 UTC
Form type
13F-HR
Description
All US holdings of this investor are reported in this report. Top holdings included WESTERN DIGITAL CORP, LUMENTUM HLDGS INC, ADVANCED ENERGY INDS, MIRUM PHARMACEUTICALS INC, and LANTHEUS HLDGS INC.
Previous filing
Q3 2025 - 27 Oct 2025
Sym Weight Trade Impact Company Class Share Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2025 Q4 compared to 2025 Q3 by default. Changes are calculated vs the previous SEC filing.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Chris Fitzgerald Chief Compliance Officer New York, New York 28 Jan 2026

Other Included Managers (7):

Num Name Location File Number
1 NEW YORK LIFE INVESTMENT MANAGEMENT LLC New York, NY 028-06325
2 FIRST TRUST ADVISORS LP Wheaton, IL 028-06487
3 NEW YORK LIFE INSURANCE CO New York, NY 028-00065
4 OPPENHEIMER ASSET MANAGEMENT INC. New York, NY 028-10748
5 MCMORGAN & CO LLC San Francisco, CA 028-10044
6 RIVERNORTH CAPITAL MANAGEMENT, LLC West Palm Beach, FL 028-13256
7 IndexIQ Advisors LLC New York, NY 028-13712