# MFS Emerging Markets Debt Fund

MFS Emerging Markets Debt Fund is a registered fund series of MFS SERIES TRUST X (series S000002511). Net assets $7.6B as of 2026-04-30.

## Profile

- Series ID: S000002511
- Registrant: MFS SERIES TRUST X
- LEI: 509D6AOZZ4SJ08T5BZ82
- Net assets: $7.6B
- Total assets: $7.7B
- As of: 2026-04-30

## Advisers

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

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [MFS Institutional Money Market Portfolio](https://search.stillhousedata.com/security/55291X109) | — | $313.7M | 415.31% |
| [Argentina Republic Government International Bonds](https://search.stillhousedata.com/security/040114HT0) | — | $86.1M | 114.02% |
| [Argentina Republic Government International Bonds](https://search.stillhousedata.com/security/040114HV5) | — | $77.0M | 101.94% |
| Ecuador Government International Bonds | — | $73.9M | 97.81% |
| [Argentina Republic Government International Bonds](https://search.stillhousedata.com/security/040114HU7) | — | $68.3M | 90.40% |
| Paraguay Government International Bonds | — | $55.5M | 73.44% |
| [Colombia Government International Bonds](https://search.stillhousedata.com/security/195325EP6) | — | $53.8M | 71.26% |
| DOMINICAN REPUBLIC | — | $53.4M | 70.73% |
| [REPUBLIC OF VENEZUELA](https://search.stillhousedata.com/security/922646AS3) | — | $50.9M | 67.43% |
| Ecuador Government International Bonds | — | $48.5M | 64.18% |
| [COSTA RICA GOVERNMENT](https://search.stillhousedata.com/security/221597CV7) | — | $48.1M | 63.71% |
| [UKRAINE GOVERNMENT](https://search.stillhousedata.com/security/903724CH3) | — | $47.2M | 62.50% |
| Venezuela Government International Bonds | — | $45.3M | 59.98% |
| Nigeria Government International Bonds | — | $43.7M | 57.90% |
| REPUBLIC OF SRI LANKA | — | $43.7M | 57.82% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $7.6B |
| 2026-01-31 | $7.6B |
| 2025-10-31 | $7.6B |
| 2025-07-31 | $7.4B |
| 2025-04-30 | $7.0B |
| 2025-01-31 | $7.4B |
| 2024-10-31 | $7.3B |
| 2024-07-31 | $7.1B |

## More

- [Registrant: MFS SERIES TRUST X](https://search.stillhousedata.com/registrant/783740)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002511.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.