# Southwestern Illinois Development Authority Southwestern Illinois Development Authority, Series B

Southwestern Illinois Development Authority Southwestern Illinois Development Authority, Series B is a security (CUSIP 84552YTM3) tracked across SEC portfolio filings. 2 registered fund positions totaling $3.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Southwestern Illinois Development Authority
- Class: Southwestern Illinois Development Authority, Series B
- CUSIP: 84552YTM3
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $3.7M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| NYLI MacKay DefinedTerm Muni Opportunities Fund | NYLI MacKay DefinedTerm Muni Opportunities Fund | $3.2M | 102.69% |
| NYLI MacKay Muni Income Opportunities Fund | NYLI MacKay Muni Income Opportunities Fund | $539K | 52.83% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/84552YTM3.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
