City of Columbia SC Waterworks & Sewer System Revenue COLUMBIA SC WTRWKS & SWR SYS is a security (CUSIP 198504K68) tracked across SEC portfolio filings. 1 registered fund positions totaling $6.4M via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Strategic Municipal Opportunities Fund | BlackRock Municipal Series Trust | $6.4M | 19.14% |