# City of Houston TX Combined Utility System Revenue HOUSTON UTIL-REF-B4

City of Houston TX Combined Utility System Revenue HOUSTON UTIL-REF-B4 is a security (CUSIP 442435XP3) tracked across SEC portfolio filings. 2 registered fund positions totaling $69.2M via N-PORT as of 2026-04-30; 1 money-market funds via N-MFP.

## Summary

- Issuer: City of Houston TX Combined Utility System Revenue
- Class: HOUSTON UTIL-REF-B4
- CUSIP: 442435XP3
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $69.2M
- N-PORT report: 2026-04-30
- N-MFP funds: 1

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD LIMITED-TERM TAX-EXEMPT FUND](https://search.stillhousedata.com/fund/S000002895) | VANGUARD MUNICIPAL BOND FUNDS | $69.1M | 19.96% |
| Western Asset Municipal High Income Fund Inc. | Western Asset Municipal High Income Fund Inc. | $100K | 6.53% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/442435XP3.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.