SUMMARY PROSPECTUS
Lord Abbett Mid Cap Stock Fund
MAY 1, 2025
CLASS/TICKER
CLASS A ............
LAVLX
CLASS I...........
LMCYX
CLASS R4 .......
LMCSX
CLASS C............
LMCCX
CLASS P .........
LMCPX
CLASS R5 .......
LMCTX
CLASS F ............
LMCFX
CLASS R2 .......
LMCQX
CLASS R6 .......
LMCHX
CLASS F3 ..........
LOVLX
CLASS R3 .......
LMCRX
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 May 1, 2025 as may be
supplemented from time to time, are incorporated by reference into this summary prospectus.