Massachusetts Bay Transportation Authority Sales Tax Revenue MA ST BAY AUTH-SER B is a security (CUSIP 575579Z34) tracked across SEC portfolio filings. 3 registered fund positions totaling $14.3M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD MASSACHUSETTS TAX-EXEMPT FUND | VANGUARD MASSACHUSETTS TAX-EXEMPT FUNDS | $11.5M | 31.13% |
| Schwab Tax-Free Bond Fund | SCHWAB INVESTMENTS | $1.7M | 27.78% |
| MASSACHUSETTS MUNICIPAL BOND FUND | SEI TAX EXEMPT TRUST | $1.1M | 189.62% |