# UMBS P#CB5903 5.5% 03/01/53 FANNIE MAE POOL UMBS P#CB5903 5.50000000

UMBS P#CB5903 5.5% 03/01/53 FANNIE MAE POOL UMBS P#CB5903 5.50000000 is a security (CUSIP 3140QRRZ8) tracked across SEC portfolio filings. 3 registered fund positions totaling $8.4M via N-PORT as of 2026-05-29.

## Summary

- Issuer: UMBS P#CB5903 5.5% 03/01/53
- Class: FANNIE MAE POOL UMBS P#CB5903 5.50000000
- CUSIP: 3140QRRZ8
- Asset category: ABS-MBS
- 13F holders: 0
- N-PORT fund positions: 3
- N-PORT value: $8.4M
- N-PORT report: 2026-05-29

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Six Circles Global Bond Fund](https://search.stillhousedata.com/fund/S000068181) | SIX CIRCLES TRUST | $6.5M | 3.80% |
| [BlackRock Balanced Fund, Inc.](https://search.stillhousedata.com/fund/S000002175) | BlackRock Balanced Fund, Inc. | $1.3M | 7.15% |
| [BlackRock Balanced Portfolio](https://search.stillhousedata.com/fund/S000003863) | BlackRock Series Fund, Inc. | $655K | 14.07% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/3140QRRZ8.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.