# MFS Blended Research Mid Cap Equity Fund — new fund registration

MFS SERIES TRUST X registered 1 new fund series on Form 485APOS, filed 2016-06-03. Featured series: MFS Blended Research Mid Cap Equity Fund.

## Registration

- Registrant / trust: MFS SERIES TRUST X
- CIK: 0000783740
- Form: 485APOS
- Filed: 2016-06-03
- State of incorporation: MA
- Accession: 0001104659-16-125254
- Reported net assets: $2.9B

## Series & classes (9)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | A | BMSFX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | B | BMSBX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | C | BMSDX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | I | BMSLX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | R1 | BMSRX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | R2 | BMSSX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | R3 | BMSTX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | R4 | BMSVX | Yes |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/fund/S000054892) | R5 | BMSYX | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.25%
- Gross expense ratio: 0.92%
- Management fee: 0.50%
- Net expense ratio: 0.84%
- Other expenses: 0.17%

## Investment objective

The funds investment objective is to seek capital appreciation.

## Advisers

- [Massachusetts Financial Services Company (Advisor)](https://search.stillhousedata.com/firm/110045)

## Other filings by this registrant (15)

- [485APOS — 2023-07-28](https://search.stillhousedata.com/launch/0001104659-23-085110)
- [485APOS — 2022-07-28](https://search.stillhousedata.com/launch/0001104659-22-083529)
- [485APOS — 2021-07-29](https://search.stillhousedata.com/launch/0001104659-21-097337)
- [485APOS — 2021-01-28](https://search.stillhousedata.com/launch/0001104659-21-008461)
- [485APOS — 2020-04-13 (8 new series)](https://search.stillhousedata.com/launch/0001104659-20-045737)
- [485APOS — 2016-07-28](https://search.stillhousedata.com/launch/0001104659-16-134873)
- [485APOS — 2015-06-29 (27 new series)](https://search.stillhousedata.com/launch/0001104659-15-048296)
- [485APOS — 2015-01-27](https://search.stillhousedata.com/launch/0001104659-15-004623)
- [485APOS — 2014-04-11 (8 new series)](https://search.stillhousedata.com/launch/0001104659-14-027181)
- [485APOS — 2011-06-30 (8 new series)](https://search.stillhousedata.com/launch/0001104659-11-037277)
- [485APOS — 2011-01-10 (8 new series)](https://search.stillhousedata.com/launch/0001104659-11-000964)
- [485APOS — 2010-07-29](https://search.stillhousedata.com/launch/0001193125-10-170138)

## More

- [Registrant profile: MFS SERIES TRUST X](https://search.stillhousedata.com/registrant/783740)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001104659-16-125254.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.