LORD ABBETT
INVESTMENT TRUST
Lord Abbett
Core Fixed Income
Fund
Lord Abbett Core Plus Bond Fund
Lord Abbett Inflation Focused Fund
Lord Abbett Short Duration Core Bond Fund
Lord Abbett Total Return Fund
Lord Abbett Ultra Short Bond Fund
LORD ABBETT
SERIES FUND
Total Return
Portfolio
(each, a “Fund” and collectively, the “Funds”)
Supplement dated
May
1
3
, 2025
to
all current Summary Prospectuses, Prospectuses and Statement
s
of Additional Information
for the Funds
Kewjin Yuoh
has announced his plans to retire on or about September 30, 2025.
Mr. Yuoh will continue
to serve on the portfolio management team of the Fund until his retirement.
Effective September 30, 2025, all references to Kewjin Yuoh will be removed from the Summa
ry
Prospectus, Prospectus, and the Statement of Additional Information.
Capitalized terms used in this Supplement shall, unless otherwise defined herein, have the same meaning
as given in the Prospectuses and/or
Statements of
Additional Information
.
Please retain this document for your future reference.