Massachusetts Water Resources Authority MA WTR RES AUTH-F-REF is a security (CUSIP 576051R81) tracked across SEC portfolio filings. 2 registered fund positions totaling $11.8M via N-PORT as of 2026-05-31; 1 money-market funds via N-MFP.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD MUNICIPAL LOW DURATION FUND | VANGUARD CMT FUNDS | $10.6M | 18.71% |
| VANGUARD TAX-MANAGED BALANCED FUND | VANGUARD TAX-MANAGED FUNDS | $1.2M | 1.06% |