Southwestern Illinois Development Authority S WSTRN IL DEV AUTH REV is a security (CUSIP 84552YRA1) tracked across SEC portfolio filings. 1 registered fund positions totaling $2.5M via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| ELFUN TAX EXEMPT INCOME FUND | ELFUN TAX EXEMPT INCOME FUND | $2.5M | 31.75% |