# MFS Lifetime 2055 Fund

MFS Lifetime 2055 Fund is a registered fund series of MFS SERIES TRUST XII (series S000038776). Net assets $453.1M as of 2026-04-30.

## Profile

- Series ID: S000038776
- Registrant: MFS SERIES TRUST XII
- LEI: 5493000S4RZPWVSHEE95
- Net assets: $453.1M
- Total assets: $453.4M
- As of: 2026-04-30
- Type: Fund of funds

## Advisers

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

## Top holdings (24 reported)

_Showing 15 of 24 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [MFS Blended Research International Equity Fund](https://search.stillhousedata.com/security/552987448) | — | $50.5M | 1113.78% |
| [MFS Blended Research Mid Cap Equity Fund](https://search.stillhousedata.com/security/552743551) | — | $45.6M | 1006.52% |
| [MFS Blended Research Value Equity Fund](https://search.stillhousedata.com/security/552746133) | — | $25.0M | 552.73% |
| [MFS Value Fund](https://search.stillhousedata.com/security/55273H353) | — | $24.6M | 543.81% |
| [MFS Growth Fund](https://search.stillhousedata.com/security/552985673) | — | $23.9M | 527.60% |
| [MFS Blended Research Growth Equity Fund](https://search.stillhousedata.com/security/552743783) | — | $23.6M | 521.60% |
| [MFS Mid Cap Growth Fund](https://search.stillhousedata.com/security/552987554) | — | $22.8M | 503.26% |
| [MFS Commodity Strategy Fund](https://search.stillhousedata.com/security/55276T826) | — | $22.8M | 502.75% |
| [MFS Global Real Estate Fund](https://search.stillhousedata.com/security/552982720) | — | $22.8M | 502.46% |
| [MFS Mid Cap Value Fund](https://search.stillhousedata.com/security/55273W475) | — | $22.4M | 494.89% |
| [MFS Blended Research Core Equity Fund](https://search.stillhousedata.com/security/55273W483) | — | $21.2M | 467.96% |
| [MFS Research Fund](https://search.stillhousedata.com/security/552981391) | — | $21.1M | 465.07% |
| [MFS International New Discovery Fund](https://search.stillhousedata.com/security/552981383) | — | $18.3M | 403.90% |
| [MFS Research International Fund](https://search.stillhousedata.com/security/55273H361) | — | $18.1M | 400.38% |
| [MFS International Intrinsic Equity Fund](https://search.stillhousedata.com/security/552746349) | — | $15.9M | 349.89% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $453.1M |
| 2026-01-31 | $453.8M |
| 2025-10-31 | $436.6M |
| 2025-07-31 | $413.4M |
| 2025-04-30 | $381.8M |
| 2025-01-31 | $386.6M |
| 2024-10-31 | $376.7M |
| 2024-07-31 | $376.7M |

## More

- [Registrant: MFS SERIES TRUST XII](https://search.stillhousedata.com/registrant/1330967)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000038776.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.