Massachusetts Clean Water Trust/The MASSACHUSETTS ST CLEAN WTR TRUST is a security (CUSIP 575829MQ6) tracked across SEC portfolio filings. 2 registered fund positions totaling $1.9M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| AB Massachusetts Portfolio | AB MUNICIPAL INCOME FUND II | $1.1M | 42.39% |
| Calvert Responsible Municipal Income Fund | Calvert Management Series | $759K | 18.09% |