County of Jefferson AL Sewer Revenue JEFFERSON CO-REF is a security (CUSIP 472682YY3) tracked across SEC portfolio filings. 2 registered fund positions totaling $3.2M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD LIMITED-TERM TAX-EXEMPT FUND | VANGUARD MUNICIPAL BOND FUNDS | $1.8M | 0.53% |
| BlackRock Short Duration Muni Fund | BlackRock Municipal Bond Fund, Inc. | $1.3M | 26.47% |