SUMMARY PROSPECTUS
Lord Abbett Growth Leaders Fund
MARCH 1, 2025
CLASS/TICKER
CLASS A ............
LGLAX
CLASS I...........
LGLIX
CLASS R5 .......
LGLUX
CLASS C............
LGLCX
CLASS R2 .......
LGLQX
CLASS R6 .......
LGLVX
CLASS F ............
LGLFX
CLASS R3 .......
LGLRX
CLASS F3 ..........
LGLOX
CLASS R4 .......
LGLSX
Before you invest, you may want to review the Fund’s prospectus and statement of additional
information, which contain more information about the Fund and its risks. You can find the
Fund’s prospectus, statement of additional information and other information about the Fund at
www.lordabbett.com/documentsandliterature. You can also get this information at no cost by
calling 888-522-2388 (Option #2) or by sending an email request to literature@lordabbett.com.
The current prospectus and statement of additional information dated March 1, 2025 as may be
supplemented from time to time, are incorporated by reference into this summary prospectus.