# NBN Co. Ltd.

NBN Co. Ltd. is a security (CUSIP 62878U2F8) tracked across SEC portfolio filings. 6 registered fund positions totaling $13.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: NBN Co. Ltd.
- CUSIP: 62878U2F8
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 6
- N-PORT value: $13.0M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [MFS Limited Maturity Fund](https://search.stillhousedata.com/fund/S000002495) | MFS Series Trust IX | $10.3M | 30.85% |
| MFS INTERMEDIATE INCOME TRUST | MFS INTERMEDIATE INCOME TRUST | $1.2M | 40.50% |
| [Voya Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000039383) | Voya Funds Trust | $722K | 19.44% |
| [MFS Corporate Bond Portfolio](https://search.stillhousedata.com/fund/S000002634) | MFS VARIABLE INSURANCE TRUST II | $309K | 24.60% |
| [MFS Global Alternative Strategy Fund](https://search.stillhousedata.com/fund/S000019515) | MFS Series Trust XV | $206K | 9.50% |
| MFS CHARTER INCOME TRUST | MFS CHARTER INCOME TRUST | $206K | 7.56% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/62878U2F8.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.