MFS SERIES TRUST III registered fund series on Form 485APOS, filed 2010-03-31. Featured series: MFS High Income Fund.
| Series | Class | Ticker | New |
|---|---|---|---|
| MFS High Income Fund | A | MHITX | — |
| MFS High Income Fund | R4 | MHIJX | — |
| MFS High Income Fund | 529A | EAHIX | — |
| MFS High Income Fund | 529B | EMHBX | — |
| MFS High Income Fund | 529C | EMHCX | — |
| MFS High Income Fund | B | MHIBX | — |
| MFS High Income Fund | C | MHICX | — |
| MFS High Income Fund | I | MHIIX | — |
| MFS High Income Fund | R1 | MHIGX | — |
| MFS High Income Fund | R2 | MIHRX | — |
| MFS High Income Fund | R3 | MHIHX | — |
| MFS High Yield Opportunities Fund | A | MHOAX | — |
| MFS High Yield Opportunities Fund | B | MHOBX | — |
| MFS High Yield Opportunities Fund | C | MHOCX | — |
| MFS High Yield Opportunities Fund | I | MHOIX | — |
| MFS High Yield Opportunities Fund | R1 | MHORX | — |
| MFS High Yield Opportunities Fund | R2 | MHOSX | — |
| MFS High Yield Opportunities Fund | R3 | MHOTX | — |
| MFS High Yield Opportunities Fund | R4 | MHOUX | — |
| MFS High Yield Opportunities Fund | W | MHOWX | — |
| MFS Municipal High Income Fund | A | MMHYX | — |
| MFS Municipal High Income Fund | B | MMHBX | — |
| MFS Municipal High Income Fund | C | MMHCX | — |
The funds investment objective is to seek total return with an emphasis on high current income, but also considering capital appreciation.