Lord Abbett Securities Trust

09/27/2024 | Press release | Distributed by Public on 09/27/2024 13:17

Prospectus by Investment Company - Form 497

LORD ABBETT SECURITIES TRUST

Lord Abbett International Value Fund

Supplement dated September 27, 2024, to the

Summary Prospectus, Prospectus and Statement of Additional Information, each dated

March 1, 2024, as supplemented

The following changes are effective September 30, 2024:

The following table replaces the table in the subsection under "International Value Fund-Management-Portfolio Managers" on page 10 of the summary prospectus and on page 112 of the statutory prospectus:

Portfolio Managers/Title Member of the Portfolio
Management Team Since
Vincent J. McBride, Partner and Portfolio Manager 2008
Ryan C. Howard, Portfolio Manager 2008
Asad A. Mawjee, Portfolio Manager 2024

The following paragraph replaces the corresponding paragraph under "Management and Organization of the Funds" on page 215 of the statutory prospectus:

International Value Fund. Vincent J. McBride, Partner and Portfolio Manager, heads the Fund's team. Mr. McBride joined Lord Abbett in 2003. Additional members of the Fund's team are Ryan C. Howard, Portfolio Manager, and Asad A. Mawjee, Portfolio Manager. Messrs. Howard and Mawjee joined Lord Abbett in 2003 and 2016, respectively. Messrs. McBride, Howard, and Mawjee are jointly and primarily responsible for the day-to-day management of the Fund.

The following rows replace the applicable rows of the corresponding table under the heading "International Value Fund" in the subsection titled "Portfolio Manager Information-Other Accounts Managed" on page 7-2 of the statement of additional information ("SAI"):

Number of Registered Investment Companies

Total Assets ($MM)

Number of Other Pooled Investment Vehicles

Total Assets ($MM)

Number of Other Accounts

Total Assets ($MM)

International Value Fund
Vincent J. McBride 1 290.97 1 89.32 0 0
Ryan C. Howard 2 4,923.77 1 5.70 1 15.08
Asad A. Mawjee 0 0 0 0 0 0

The following rows replace the applicable rows of the corresponding table under the heading "International Value Fund" in the subsection titled "Portfolio Manager Information-Holdings of Portfolio Managers" on page 7-3 of the SAI:

Ownership of Securities Aggregate Dollar Range of Securities
International Value Fund
Vincent J. McBride Over $1,000,000
Ryan C. Howard $10,001-$50,000
Asad A. Mawjee1 $100,001-$500,000

1 As of February 13, 2024.

Capitalized terms used in this Supplement shall, unless otherwise defined herein, have the same meaning as given in the Prospectuses and/or SAIs.

Please retain this document for your future reference.