Chicago O'Hare International Airport CHICAGO-D-REF is a security (CUSIP 1675936N7) tracked across SEC portfolio filings. 3 registered fund positions totaling $17.9M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD LIMITED-TERM TAX-EXEMPT FUND | VANGUARD MUNICIPAL BOND FUNDS | $11.5M | 3.33% |
| Tax Exempt Bond Fund of America | Tax Exempt Bond Fund of America | $5.6M | 2.27% |
| VANGUARD TAX-MANAGED BALANCED FUND | VANGUARD TAX-MANAGED FUNDS | $812K | 0.72% |