MFS SERIES TRUST XIII registered fund series on Form 485APOS, filed 2010-04-28. Featured series: MFS GOVERNMENT SECURITIES FUND.
| Series | Class | Ticker | New |
|---|---|---|---|
| MFS GOVERNMENT SECURITIES FUND | I | MGSIX | — |
| MFS GOVERNMENT SECURITIES FUND | A | MFGSX | — |
| MFS GOVERNMENT SECURITIES FUND | R4 | MFGJX | — |
| MFS GOVERNMENT SECURITIES FUND | B | MFGBX | — |
| MFS GOVERNMENT SECURITIES FUND | C | MFGDX | — |
| MFS GOVERNMENT SECURITIES FUND | R1 | MFGGX | — |
| MFS GOVERNMENT SECURITIES FUND | R2 | MGVSX | — |
| MFS GOVERNMENT SECURITIES FUND | R3 | MFGHX | — |
| MFS DIVERSIFIED INCOME FUND | Class A | DIFAX | — |
| MFS DIVERSIFIED INCOME FUND | Class C | DIFCX | — |
| MFS DIVERSIFIED INCOME FUND | Class I | DIFIX | — |
| MFS DIVERSIFIED INCOME FUND | CLASS R1 | DIFDX | — |
| MFS DIVERSIFIED INCOME FUND | CLASS R2 | DIFEX | — |
| MFS DIVERSIFIED INCOME FUND | CLASS R3 | DIFFX | — |
| MFS DIVERSIFIED INCOME FUND | CLASS R4 | DIFGX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS A | MGLAX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS B | MGLDX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS C | MGLCX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS I | MGLIX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS R1 | MGLJX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS R2 | MGLKX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS R3 | MGLLX | — |
| MFS GLOBAL REAL ESTATE FUND | CLASS R4 | MGLMX | — |
The funds investment objective is to seek total return with an emphasis on current income, but also considering capital appreciation.