# MFS Mid Cap Value Fund

MFS Mid Cap Value Fund is a registered fund series of MFS SERIES TRUST XI (series S000002499). Net assets $16.0B as of 2026-03-31.

## Profile

- Series ID: S000002499
- Registrant: MFS SERIES TRUST XI
- LEI: BXHSCSBXYY1DOHP6E209
- Net assets: $16.0B
- Total assets: $16.0B
- As of: 2026-03-31

## Advisers

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

## Top holdings (155 reported)

_Showing 15 of 155 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Valero Energy Corp](https://search.stillhousedata.com/security/91913Y100) | — | $226.6M | 141.71% |
| Flex Ltd | — | $225.7M | 141.15% |
| [MFS Institutional Money Market Portfolio](https://search.stillhousedata.com/security/55291X109) | — | $222.5M | 139.13% |
| [PG&E Corp](https://search.stillhousedata.com/security/69331C108) | — | $200.9M | 125.61% |
| [Permian Resources Corp](https://search.stillhousedata.com/security/71424F105) | — | $199.2M | 124.58% |
| [Hartford Insurance Group Inc/The](https://search.stillhousedata.com/security/416515104) | — | $196.5M | 122.90% |
| [Corning Inc](https://search.stillhousedata.com/security/219350105) | — | $195.3M | 122.12% |
| [Targa Resources Corp](https://search.stillhousedata.com/security/87612G101) | — | $193.7M | 121.13% |
| [Westinghouse Air Brake Technologies Corp](https://search.stillhousedata.com/security/929740108) | — | $191.7M | 119.88% |
| [Northern Trust Corp](https://search.stillhousedata.com/security/665859104) | — | $173.7M | 108.65% |
| [Diamondback Energy Inc](https://search.stillhousedata.com/security/25278X109) | — | $168.8M | 105.54% |
| [Raymond James Financial Inc](https://search.stillhousedata.com/security/754730109) | — | $166.5M | 104.15% |
| [CMS Energy Corp](https://search.stillhousedata.com/security/125896100) | — | $165.9M | 103.73% |
| [L3Harris Technologies Inc](https://search.stillhousedata.com/security/502431109) | — | $165.3M | 103.40% |
| [US Foods Holding Corp](https://search.stillhousedata.com/security/912008109) | — | $164.1M | 102.60% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $16.0B |
| 2025-12-31 | $16.6B |
| 2025-09-30 | $17.1B |
| 2025-06-30 | $16.9B |
| 2025-03-31 | $16.8B |
| 2024-12-31 | $17.1B |
| 2024-09-30 | $17.9B |
| 2024-06-30 | $16.4B |

## More

- [Registrant: MFS SERIES TRUST XI](https://search.stillhousedata.com/registrant/911637)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002499.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.