# UMBS, TBA Uniform Mortgage-Backed Security, TBA

UMBS, TBA Uniform Mortgage-Backed Security, TBA is a security (CUSIP 01F050684) tracked across SEC portfolio filings. 3 registered fund positions totaling $26.1M via N-PORT as of 2026-05-29.

## Summary

- Issuer: UMBS, TBA
- Class: Uniform Mortgage-Backed Security, TBA
- CUSIP: 01F050684
- Asset category: ABS-MBS
- 13F holders: 0
- N-PORT fund positions: 3
- N-PORT value: $26.1M
- N-PORT report: 2026-05-29

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Morgan Stanley Mortgage Securities Trust](https://search.stillhousedata.com/fund/S000002467) | MORGAN STANLEY MORTGAGE SECURITIES TRUST | $12.7M | 212.62% |
| Guggenheim Strategic Opportunities Fund | Guggenheim Strategic Opportunities Fund | $10.9M | 45.44% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $2.5M | 46.34% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/01F050684.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.