# Federal National Mortgage Association Federal National Mortgage Association Variable Rate Notes, Series 2025-21, Class FB

Federal National Mortgage Association Federal National Mortgage Association Variable Rate Notes, Series 2025-21, Class FB is a security (CUSIP 3136BU3N8) tracked across SEC portfolio filings. 1 registered fund positions totaling $45K via N-PORT as of 2026-03-31.

## Summary

- Issuer: Federal National Mortgage Association
- Class: Federal National Mortgage Association Variable Rate Notes, Series 2025-21, Class FB
- CUSIP: 3136BU3N8
- Asset category: ABS-MBS
- 13F holders: 0
- N-PORT fund positions: 1
- N-PORT value: $45K
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [BATS: High Income Taxable Series](https://search.stillhousedata.com/fund/S000084041) | BlackRock Allocation Target Shares | $45K | 4.75% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/3136BU3N8.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.