SUMMARY PROSPECTUS
Lord Abbett Growth Opportunities Fund
April 1, 2025
CLASS/TICKER
CLASS A ............
LMGAX
CLASS I...........
LMGYX
CLASS R4 .......
LGOSX
CLASS C............
LMGCX
CLASS P .........
LGOPX
CLASS R5 .......
LGOTX
CLASS F ............
LGOFX
CLASS R2 .......
LGOQX
CLASS R6 .......
LGOVX
CLASS F3 ..........
LOMGX
CLASS R3 .......
LGORX
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 April 1, 2025 as may be
supplemented from time to time, are incorporated by reference into this summary prospectus.