Massachusetts Clean Water Trust (The) Massachusetts Clean Water Trust (The), Series 25B is a security (CUSIP 575829MP8) tracked across SEC portfolio filings. 1 registered fund positions totaling $422K via N-PORT as of 2025-08-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Putnam Massachusetts Tax Exempt Income Fund | Putnam Massachusetts Tax Exempt Income Fund | $422K | 16.77% |