| American Funds U.S. Small & Mid Cap Equity Fund | Class T | SMDHX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-A | CMDDX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-5E | RMDKX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-5 | RMDLX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-4 | RMDJX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-3 | RMDHX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-2E | RMDGX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-2 | RMDEX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-1 | RMDDX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class F-3 | SMDNX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class F-2 | SMDKX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class F-1 | SMDJX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class C | SMDGX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class A | SMDEX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-T | CMDKX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-F-3 | CMDOX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-F-2 | CMDNX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-F-1 | CMDLX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-E | CMDJX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class 529-C | CMDHX | — |
| American Funds U.S. Small & Mid Cap Equity Fund | Class R-6 | RMDMX | — |