City of Boston MA BOSTON-B-REF is a security (CUSIP 100853T42) tracked across SEC portfolio filings. 1 registered fund positions totaling $5.3M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD MASSACHUSETTS TAX-EXEMPT FUND | VANGUARD MASSACHUSETTS TAX-EXEMPT FUNDS | $5.3M | 14.27% |