# Pioneer Municipal High Income Opportunities Fund, Inc.

Pioneer Municipal High Income Opportunities Fund, Inc. (CIK 1864290) is an SEC-registered fund company and $3.0M in net assets as of 2026-01-30.

## Registrant

- CIK: 1864290
- File number: 811-23699
- LEI: 5493005BKX8X756MKL25
- Address: 60 State Street, Boston, US-MA, 02109
- Phone: 617-422-4947
- Net assets: $3.0M
- Total assets: $3.1M
- Latest report: 2026-01-30

## Fund series (1)

| Series | Net assets |
| --- | --- |
| Pioneer Municipal High Income Opportunities Fund, Inc. | $3.0M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [ROCHESTER MN](https://search.stillhousedata.com/security/77158CAB7) | $1.1M |

## More

- [CIK 1864290 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1864290&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1864290.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.