Nuveen Municipal High Income Opportunity Fund
Nuveen Municipal High Income Opportunity Fund (NMZ) SEC Filings & 10-K Annual Reports
SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.
SEC EDGAR · data.sec.gov · CIK 0001266585 · NMZ · NYSE · as of Jun 8, 2026
Filing snapshot
Source: SEC EDGAR (data.sec.gov) · CIK 0001266585 · Updated hourly · Not investment advice
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SEC Filing History
About SEC Filings & 10-K Annual Reports
Nuveen Municipal High Income Opportunity Fund (NYSE: NMZ) has submitted 640 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2003. As a Financial Services sector company with CIK 0001266585, all filings are publicly accessible via the EDGAR database at no cost.
The annual 10-K report is Nuveen Municipal High Income Opportunity Fund's most comprehensive regulatory disclosure. The most recent Nuveen Municipal High Income Opportunity Fund 10-K was filed on — for fiscal year ending —. Historical NMZ 10-K annual reports are available from 2003 through —.
Investors researching Nuveen Municipal High Income Opportunity Fund SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.
Frequently Asked Questions
NMZ SEC Filings · 8 questionsNuveen Municipal High Income Opportunity Fund (NMZ) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 640 filings and access original documents at no cost. Nuveen Municipal High Income Opportunity Fund's CIK is 0001266585.