Rock Island County School District No 41 Rock Island/Milan ROCK ISLAND CNTY IL SCH DIST #41 ROCK ISLAND is a security (CUSIP 772436FR7) tracked across SEC portfolio filings. 1 registered fund positions totaling $135K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Short Duration Muni Fund | BlackRock Municipal Bond Fund, Inc. | $135K | 2.69% |