Massachusetts Municipal Wholesale Electric Co. Massachusetts Municipal Wholesale Electric Co., Series 2023 A is a security (CUSIP 575766BP4) tracked across SEC portfolio filings. 2 registered fund positions totaling $2.2M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Putnam Massachusetts Tax Exempt Income Fund | Putnam Massachusetts Tax Exempt Income Fund | $1.7M | 67.48% |
| VANGUARD MASSACHUSETTS TAX-EXEMPT FUND | VANGUARD MASSACHUSETTS TAX-EXEMPT FUNDS | $543K | 1.47% |