Massachusetts Water Resources Authority MA WTR-A1-RMKT-REF is a security (CUSIP 576051BW5) tracked across SEC portfolio filings. 1 registered fund positions totaling $655K via N-PORT as of 2026-05-31; 2 money-market funds via N-MFP.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD MASSACHUSETTS TAX-EXEMPT FUND | VANGUARD MASSACHUSETTS TAX-EXEMPT FUNDS | $655K | 1.78% |