Houston Independent School District HOUSTON ISD-REF is a security (CUSIP 442403SK8) tracked across SEC portfolio filings. 2 registered fund positions totaling $16.5M via N-PORT as of 2026-05-31; 10 money-market funds via N-MFP.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD MUNICIPAL LOW DURATION FUND | VANGUARD CMT FUNDS | $14.0M | 24.70% |
| JPMorgan Ultra-Short Municipal Fund | JPMorgan Trust IV | $2.5M | 9.71% |