As of November 6, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of Nuveen Municipal High Income Opportunity Fund. The largest reported stake is Wells Fargo & Company's, at 76.84%. 3 filings are on record since December 15, 2025 (Schedule 13D/A, April 29, 2026).
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Key facts
- · Holder: Bank Of America Corp · Percent: 23.2% · SCHEDULE 13D/A
- · Holder: Wells Fargo & Company · Percent: 76.84% · SCHEDULE 13D/A
- · Holder: Bank Of America Corp · Percent: 52.4% · SCHEDULE 13D/A
Nuveen Municipal High Income Opportunity Fund has 3 Schedule 13D or 13G filings on record since 2025-12-15. 2 holders' latest filing reports 5% or more of preferred shares. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Wells Fargo & Company | 76.84% | 6,204 | SCHEDULE 13D/A, 2026-04-29 | 2026-04-27 |
| Bank Of America Corp | 23.2% | 1,870 | SCHEDULE 13D/A, 2026-04-29 | 2026-04-27 |
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More on Nuveen Municipal High Income Opportunity Fund and the records around it.
Companies that share a holder
- Wells Fargo & Company also filed stake reports on 16 other companies: Ares Dynamic Credit Allocation Fund (Oct 2026), BlackRock MuniYield PA Quality (Oct 2026), Ellsworth Growth and Income (Oct 2026)
- BANK OF AMERICA CORP /DE/ also filed stake reports on 74 other companies: BlackRock 2037 Municipal Target Term Trust (Nov 2026), TRIMAS CORP (Nov 2026), PIMCO CALIFORNIA MUNICIPAL INCOME FUND (Nov 2026)
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Purpose of Transaction (Item 4)
Wells Fargo & Company
Item 4 of the Original Schedule 13D is hereby amended by adding the following paragraph at the end thereof: "In connection with the Reorganization of NXJ and NQP into the Issuer, Capital Strategies exchanged its 1,443 Series 2 VRDP Shares of NXJ (CUSIP: 67069Y607), its 886 Series 3 VRDP Shares of NXJ (CUSIP: 67069Y706), its 1,125 Series 2 VRDP Shares of NQP (CUSIP: 670972603), and its 1,050 Series 3 VRDP Shares of NQP (CUSIP: 670972702) for 4,504 Series 1 VRDP Shares of the Issuer (CUSIP: 670682855) pursuant to that certain Initial Series 1 Variable Rate Demand Preferred Shares (VRDP) Adjustable Rate Special Rate Period Purchase Agreement dated April 27, 2026."Item 4 of the SCHEDULE 13D/A filed 2026-04-29
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-12-15 | Bank Of America Corp | 52.4% | SCHEDULE 13D/A |
| 2026-04-29 | Bank Of America Corp | 23.2% | SCHEDULE 13D/A |
| 2026-04-29 | Wells Fargo & Company | 76.84% | SCHEDULE 13D/A |
Questions about who owns Nuveen Municipal High Income Opportunity Fund
Who owns Nuveen Municipal High Income Opportunity Fund?
On this page, 2 holders' latest ownership filings report 5% or more of Nuveen Municipal High Income Opportunity Fund: Wells Fargo & Company (76.84%, Schedule 13D/A, filed 2026-04-29) and Bank Of America Corp (23.2%, Schedule 13D/A, filed 2026-04-29).
Who are the largest shareholders of Nuveen Municipal High Income Opportunity Fund?
By the share each holder's latest filing reports, the largest holders of Nuveen Municipal High Income Opportunity Fund on this page are Wells Fargo & Company (76.84%) and Bank Of America Corp (23.2%).
When did Wells Fargo & Company buy into Nuveen Municipal High Income Opportunity Fund?
The filings give report dates, not purchase dates. The earliest filing from Wells Fargo & Company on this page is the Schedule 13D/A, filed 2026-04-29, reporting 76.84%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 3 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.