County of Jefferson AL Sewer Revenue JEFFERSON CO-REF is a security (CUSIP 472682ZB2) tracked across SEC portfolio filings. 1 registered fund positions totaling $5.1M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD LIMITED-TERM TAX-EXEMPT FUND | VANGUARD MUNICIPAL BOND FUNDS | $5.1M | 1.46% |