City of Boston MA BOSTON MA is a security (CUSIP 100853T34) tracked across SEC portfolio filings. 1 registered fund positions totaling $10.1M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Strategic Municipal Opportunities Fund | BlackRock Municipal Series Trust | $10.1M | 30.13% |