Post-Effective Amendment to Post-Effective Amendment by Investment Company (Form 485BXT)

Untitled Document

As filed with the U.S. Securities and Exchange Commission on July 7, 2022

Securities Act File No. 033-58846

Investment Company Act File No. 811-07538

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	X
Pre-Effective Amendment No.
Post-Effective Amendment No. 175	X
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	X
Amendment No. 174	X

LORD ABBETT SECURITIES TRUST

(Exact Name of Registrant as Specified in Charter)

90 Hudson Street, Jersey City, New Jersey07302-3973
(Address of Principal Executive Office)(Zip Code)

Registrant's Telephone Number, including Area Code: (888) 522-2388

Lawrence B. Stoller
Vice President, Secretary, and Chief Legal Officer
90 Hudson Street, Jersey City, New Jersey 07302-3973
(Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box):

___immediately upon filing pursuant to paragraph (b)

Xon July 18, 2022 pursuant to paragraph (b)

___60 days after filing pursuant to paragraph (a)(1)

___on (date) pursuant to paragraph (a)(1)

___75 days after filing pursuant to paragraph (a)(2)

___on (date) pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

XThis post-effective amendment designates a new effective date for a previously filed post-effective amendment.

EXPLANATORY NOTE

This Post-Effective Amendment No. 175 to the Registrant's Registration Statement on Form N-1A is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act of 1933, as amended (the "Securities Act"), solely for the purpose of delaying, until July 18, 2022, the effectiveness of the registration statement for Lord Abbett Global Equity Fund (the "Fund") filed in Post-Effective Amendment No. 170, which was filed on April 8, 2022 pursuant to paragraph (a) of Rule 485 under the Securities Act. This Post-Effective Amendment No. 175 incorporates by reference the information relating to the Fund contained in Parts A, B, and C of Post-Effective Amendment No. 170. Post-Effective Amendment No. 175 is not intended to amend or supersede information contained in Post-Effective Amendment No. 170, or otherwise affect the effectiveness of any prospectus or statement of additional information contained in Post-Effective Amendment No. 170 that relates to one or more other series of the Registrant.

This filing relates solely to Lord Abbett Global Equity Fund. No information contained herein is intended to amend or supersede any prior filing relating to any other series of the Registrant.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Jersey City, and State of New Jersey on the 7^th day of July 2022.

LORD ABBETT SECURITIES TRUST
BY: /s/ Pamela P. Chen
Pamela P. Chen
Vice President and Assistant Secretary
BY: /s/ Michael J. Hebert
Michael J. Hebert
Principal Accounting Officer, Chief Financial Officer and Treasurer
Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.
Signatures	Title	Date
James L.L. Tullis*	Chairman and Trustee	July 7, 2022
James L.L. Tullis
Douglas B. Sieg*	President, CEO, and Trustee	July 7, 2022
Douglas B. Sieg
Evelyn E. Guernsey*	Trustee	July 7, 2022
Evelyn E. Guernsey
Julie A. Hill*	Trustee	July 7, 2022
Julie A. Hill
Kathleen M. Lutito*	Trustee	July 7, 2022
Kathleen M. Lutito
James M. McTaggart*	Trustee	July 7, 2022
James M. McTaggart
Charles O. Prince*	Trustee	July 7, 2022
Charles O. Prince
Karla M. Rabusch*	Trustee	July 7, 2022
Karla M. Rabusch
Lorin Patrick Taylor Radtke*	Trustee	July 7, 2022
Lorin Patrick Taylor Radtke
Leah Song Richardson*	Trustee	July 7, 2022
Leah Song Richardson
Mark A. Schmid*	Trustee	July 7, 2022
Mark A. Schmid
*BY:	/s/ Pamela P. Chen Pamela P. Chen Attorney-in-Fact, signed pursuant to power of attorney filed in Post-Effective Amendment No. 87 to Lord Abbett Municipal Income Fund, Inc.'s Registration Statement on Form N-1A on September 30, 2021, Accession Number 0000930413-21-001696.

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