# UMBS, TBA Uniform Mortgage-Backed Security, TBA

UMBS, TBA Uniform Mortgage-Backed Security, TBA is a security (CUSIP 01F030660) tracked across SEC portfolio filings. 27 registered fund positions totaling $702.1M via N-PORT as of 2026-05-31.

## Summary

- Issuer: UMBS, TBA
- Class: Uniform Mortgage-Backed Security, TBA
- CUSIP: 01F030660
- Asset category: ABS-MBS
- 13F holders: 0
- N-PORT fund positions: 27
- N-PORT value: $702.1M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 27 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Global Opportunities Portfolio](https://search.stillhousedata.com/fund/S000027417) | Global Opportunities Portfolio | $333.0M | 247.76% |
| [PIMCO Active Bond Exchange-Traded Fund](https://search.stillhousedata.com/fund/S000033233) | PIMCO ETF Trust | $189.5M | 244.81% |
| [American Funds Mortgage Fund](https://search.stillhousedata.com/fund/S000030190) | American Funds Mortgage Fund | $60.5M | 46.23% |
| [Intermediate Bond Fund of America](https://search.stillhousedata.com/fund/S000009236) | Intermediate Bond Fund of America | $38.0M | 13.31% |
| [T. Rowe Price New Income Fund, Inc.](https://search.stillhousedata.com/fund/S000002136) | T. ROWE PRICE NEW INCOME FUND, INC. | $37.0M | 21.14% |
| [U.S. Government Securities Fund](https://search.stillhousedata.com/fund/S000009235) | AMERICAN FUNDS INCOME SERIES | $29.1M | 12.00% |
| [Allspring Core Plus Bond Fund](https://search.stillhousedata.com/fund/S000007418) | ALLSPRING FUNDS TRUST | $9.3M | 8.49% |
| [Lord Abbett Total Return Fund](https://search.stillhousedata.com/fund/S000007280) | LORD ABBETT INVESTMENT TRUST | $9.0M | 24.91% |
| [Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000008437) | MORGAN STANLEY PATHWAY FUNDS | $6.2M | 33.93% |
| [PIMCO Global Managed Asset Allocation Portfolio](https://search.stillhousedata.com/fund/S000024339) | PIMCO Variable Insurance Trust | $4.5M | 161.87% |
| [BlackRock Balanced Fund, Inc.](https://search.stillhousedata.com/fund/S000002175) | BlackRock Balanced Fund, Inc. | $4.4M | 24.14% |
| [Putnam Multi-Asset Income Fund](https://search.stillhousedata.com/fund/S000067964) | Putnam Asset Allocation Funds | $4.0M | 44.85% |
| [UBS U.S. Allocation Fund](https://search.stillhousedata.com/fund/S000002487) | UBS INVESTMENT TRUST | $1.8M | 77.42% |
| [T. Rowe Price Total Return Fund](https://search.stillhousedata.com/fund/S000055582) | T. ROWE PRICE TOTAL RETURN FUND, INC. | $1.7M | 27.49% |
| [T. Rowe Price Spectrum Moderate Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002138) | T. ROWE PRICE SPECTRUM FUNDS II, INC. | $1.1M | 2.59% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/01F030660.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.
