| Lord Abbett Convertible Fund | Class A | LACFX | — |
| Lord Abbett Convertible Fund | Class B | LBCFX | — |
| Lord Abbett Convertible Fund | Class C | LACCX | — |
| Lord Abbett Convertible Fund | Class P | LCFPX | — |
| Lord Abbett Convertible Fund | Class Y | LCFYX | — |
| Lord Abbett Core Fixed Income Fund | Class A | LCRAX | — |
| Lord Abbett Core Fixed Income Fund | Class B | LCRBX | — |
| Lord Abbett Core Fixed Income Fund | Class C | LCRCX | — |
| Lord Abbett Core Fixed Income Fund | Class P | LCRPX | — |
| Lord Abbett Core Fixed Income Fund | Class Y | LCRYX | — |
| Lord Abbett High Yield Fund | Class A | LHYAX | — |
| Lord Abbett High Yield Fund | Class B | LHYBX | — |
| Lord Abbett High Yield Fund | Class C | LHYCX | — |
| Lord Abbett High Yield Fund | Class P | LHYPX | — |
| Lord Abbett High Yield Fund | Class Y | LAHYX | — |
| Lord Abbett Limited Duration U.S. Government & Government Sponsored Enterprises Fund | Class P | — | — |
| Lord Abbett Limited Duration U.S. Government & Government Sponsored Enterprises Fund | Class Y | LLDYX | — |
| Lord Abbett Limited Duration U.S. Government & Government Sponsored Enterprises Fund | Class A | LALDX | — |
| Lord Abbett Limited Duration U.S. Government & Government Sponsored Enterprises Fund | Class B | LLTBX | — |
| Lord Abbett Limited Duration U.S. Government & Government Sponsored Enterprises Fund | Class C | LDLAX | — |
| Lord Abbett Total Return Fund | Class A | LTRAX | — |
| Lord Abbett Total Return Fund | Class B | LTRBX | — |
| Lord Abbett Total Return Fund | Class C | LTRCX | — |
| Lord Abbett Total Return Fund | Class P | LTRPX | — |
| Lord Abbett Total Return Fund | Class Y | LTRYX | — |