Massachusetts Bay Transportation Authority MASSACHUSETTS ST BAY TRANSPRTN AUTH SALES TAX REVENUE is a security (CUSIP 575579LJ4) tracked across SEC portfolio filings. 2 registered fund positions totaling $1.8M via N-PORT as of 2026-04-30.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Massachusetts Tax-Exempt Trust | BlackRock Massachusetts Tax-Exempt Trust | $1.0M | 306.34% |
| BlackRock MuniYield Quality Fund, Inc. | BlackRock MuniYield Quality Fund, Inc. | $793K | 4.27% |