City of Houston TX Combined Utility System Revenue HOUSTON TX UTILITY SYS REVENUE is a security (CUSIP 44244CZH3) tracked across SEC portfolio filings. 3 registered fund positions totaling $18.6M via N-PORT as of 2026-04-30; 2 money-market funds via N-MFP.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Municipal 2020 Term Trust | BlackRock Municipal 2020 Term Trust | $9.1M | 297.89% |
| Tax Exempt Bond Fund of America | Tax Exempt Bond Fund of America | $5.0M | 2.04% |
| American High-Income Municipal Bond Fund | American High-Income Municipal Bond Fund | $4.5M | 3.06% |