# Flagstar Mortgage Trust Flagstar Mortgage Trust 2021-4

Flagstar Mortgage Trust Flagstar Mortgage Trust 2021-4 is a security (CUSIP 33852FAA4) tracked across SEC portfolio filings. 4 registered fund positions totaling $3.6M via N-PORT as of 2026-03-31.

## Summary

- Issuer: Flagstar Mortgage Trust
- Class: Flagstar Mortgage Trust 2021-4
- CUSIP: 33852FAA4
- Asset category: ABS-MBS
- 13F holders: 0
- N-PORT fund positions: 4
- N-PORT value: $3.6M
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| BlackRock Core Bond Trust | BlackRock Core Bond Trust | $1.8M | 25.39% |
| BlackRock Multi-Sector Income Trust | BlackRock Multi-Sector Income Trust | $1.5M | 19.96% |
| BlackRock Enhanced Government Fund, Inc. | BlackRock Enhanced Government Fund, Inc. | $129K | 36.45% |
| BlackRock Income Trust, Inc. | BlackRock Income Trust, Inc. | $125K | 3.42% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/33852FAA4.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.