# CITY OF HOUSTON TX AIRPORT SYSTEM REVENUE UNITED AIRLINES INC 4.0% 07-01-41

CITY OF HOUSTON TX AIRPORT SYSTEM REVENUE UNITED AIRLINES INC 4.0% 07-01-41 is a security (CUSIP 442349FZ4) tracked across SEC portfolio filings. 11 registered fund positions totaling $20.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CITY OF HOUSTON TX AIRPORT SYSTEM REVENUE
- Class: UNITED AIRLINES INC 4.0% 07-01-41
- CUSIP: 442349FZ4
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 11
- N-PORT value: $20.7M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [American High-Income Municipal Bond Fund](https://search.stillhousedata.com/fund/S000009229) | American High-Income Municipal Bond Fund | $13.5M | 9.15% |
| [T. Rowe Price Tax-Free High Yield Fund](https://search.stillhousedata.com/fund/S000002162) | T. ROWE PRICE TAX-FREE HIGH YIELD FUND, INC. | $1.5M | 4.19% |
| Putnam Managed Municipal Income Trust | Putnam Managed Municipal Income Trust | $1.2M | 40.41% |
| [Nomura Tax-Free USA Intermediate Fund](https://search.stillhousedata.com/fund/S000002404) | Delaware Group Tax Free Fund | $1.1M | 13.45% |
| Invesco Municipal Opportunity Trust | Invesco Municipal Opportunity Trust | $694K | 10.28% |
| Invesco Trust for Investment Grade Municipals | Invesco Trust for Investment Grade Municipals | $562K | 10.00% |
| Invesco Municipal Trust | Invesco Municipal Trust | $548K | 9.86% |
| Invesco Value Municipal Income Trust | Invesco Value Municipal Income Trust | $548K | 9.43% |
| Invesco Quality Municipal Income Trust | Invesco Quality Municipal Income Trust | $520K | 9.72% |
| Invesco Advantage Municipal Income Trust II | Invesco Advantage Municipal Income Trust II | $408K | 10.25% |
| [T. Rowe Price High Income Municipal ETF](https://search.stillhousedata.com/fund/S000095886) | T. Rowe Price Exchange-Traded Funds, Inc. | $94K | 37.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/442349FZ4.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.