497 1 c89243_497.htm DEFINITIVE MATERIAL

LORD ABBETT SECURITIES TRUST

Lord Abbett Global Core Equity Fund

Lord Abbett International Core Equity Fund

 

Supplement dated August 24, 2017 to the

Statement of Additional Information dated March 1, 2017

____________________________________________________________

 

Each change below is effective as of July 31, 2017.

 

  1. The following paragraphs replace the applicable paragraphs in the subsection titled “Investment Advisory and Other Services – Portfolio Managers” beginning on page 5-4 of the statement of additional information (the “SAI”):

 

Yarek Aranowicz heads Global Core Equity Fund’s team and is primarily responsible for the day-to-day management of the Fund.

 

Todd D. Jacobson heads International Core Equity Fund’s team and is primarily responsible for the day-to-day management of the Fund.

 

  1. The following rows replace the applicable rows of the corresponding table on page 5-5 of the SAI in the subsection titled “Investment Advisory and Other Services – Portfolio Managers”:

 

Fund Name Other Accounts Managed (# and Total Net Assets+)
Registered
Investment
Companies
Other Pooled
Investment
Vehicles
Other Accounts
Global Core Equity Fund Yarek Aranowicz1 0/$0 2/$28.5 0/$0
International Core Equity Fund Todd D. Jacobson1 4/$1,858.5 4/$277.4 0/$0

+ Total net assets are in millions.

1 These amounts shown are as of July 31, 2017.

 

  1. The following rows replace the applicable rows of the corresponding table beginning on page 5-6 of the SAI in the subsection titled “Investment Advisory and Other Services – Holdings of Portfolio Managers”:

 

Fund Name

 

Dollar Range of Shares in the Funds

None $1-
$10,000
$10,001-
$50,000
$50,001-
$100,000
$100,001-
$500,000
$500,001-
$1,000,000
Over
$1,000,000
Global Core Equity Fund Yarek Aranowicz1 X            
International Core Equity Fund Todd D. Jacobson1     X        
1 This amount shown is as of July 31, 2017.

 

Please retain this document for your future reference.