Chicago Board of Education CHICAGO BOE-D-REF is a security (CUSIP 167505SX5) tracked across SEC portfolio filings. 4 registered fund positions totaling $14.9M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD LIMITED-TERM TAX-EXEMPT FUND | VANGUARD MUNICIPAL BOND FUNDS | $11.4M | 3.30% |
| AB National Portfolio | AB MUNICIPAL INCOME FUND, INC. | $1.8M | 9.04% |
| American High-Income Municipal Bond Fund | American High-Income Municipal Bond Fund | $1.5M | 1.03% |
| BlackRock Strategic Municipal Trust | BlackRock Strategic Municipal Trust | $182K | 16.65% |