Nuveen Municipal High Income Opportunity Fund
NMZ- Exchange
- NYSE
- SEC CIK
- 0001266585
In the last 90 days, Nuveen Municipal High Income Opportunity Fund insiders filed 3 open-market purchases and 3 sales; 213 institutions reported holding it in 13F filings for Q2 2026, worth $358.6M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Nuveen Municipal High Income Opportunity Fund as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 213
- +76 vs. Q1 2026
- Shares held
- 33.9M
- +13.7M (+68.2%) vs. Q1 2026
- Total value
- $358.6M
- +$149.2M (+71.3%) vs. Q1 2026
- New holders
- 88
- 81 more added
- Sold out
- 12
- 20 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NMZ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 213 | $358.6M |
| Q1 2026 | 138 | $209.4M |
| Q4 2025 | 130 | $193.0M |
| Q3 2025 | 124 | $184.9M |
| Q2 2025 | 127 | $178.2M |
| Q1 2025 | 133 | $188.9M |
| Q4 2024 | 127 | $180.7M |
| Q3 2024 | 123 | $186.7M |
| Q2 2024 | 120 | $169.4M |
| Q1 2024 | 117 | $165.4M |
| Q4 2023 | 133 | $152.2M |
| Q3 2023 | 114 | $126.6M |
| Q2 2023 | 112 | $142.7M |
| Q1 2023 | 122 | $148.6M |
| Q4 2022 | 127 | $126.8M |
| Q3 2022 | 121 | $110.2M |
| Q2 2022 | 119 | $126.0M |
| Q1 2022 | 111 | $135.6M |
| Q4 2021 | 124 | $155.9M |
| Q3 2021 | 115 | $144.6M |
| Q2 2021 | 109 | $139.8M |
| Q1 2021 | 110 | $121.9M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Nuveen Municipal High Income Opportunity Fund; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| International Assets Investment Management, LLC | 1,603 | $16.9K | 0.00% | +924+136.1% | Added |
| EverSource Wealth Advisors, LLC | 1,587 | $16.8K | 0.00% | +1,587 | New |
| Assetmark, Inc | 1,173 | $12.4K | 0.00% | +837+249.1% | Added |
| IFP Advisors, Inc | 1,003 | $10.6K | 0.00% | −259−20.5% | Reduced |
| Trust Co of Toledo NA | 1,000 | $10.6K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 1,000 | $10.6K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 832 | $8.79K | 0.00% | +832 | New |
| MTM Investment Management, LLC | 574 | $6.07K | 0.00% | +574 | New |
| Maryland Capital Advisors Inc. | 427 | $4.51K | 0.00% | +427 | New |
| CoreFirst Bank & Trust | 403 | $4.26K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 231 | $2.44K | 0.00% | +231 | New |
| Delta Asset Management LLC | 171 | $1.81K | 0.00% | +171 | New |
| IMA Wealth, Inc. | 150 | $1.59K | 0.00% | +150 | New |
| Robinson Capital Management, LLC | 0 | $0 | 0.00% | −332,674−100.0% | Sold out |
| HBK Sorce Advisory LLC | 0 | $0 | 0.00% | −17,569−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −13,891−100.0% | Sold out |
| D.A. Davidson & Co. | 0 | $0 | 0.00% | −11,930−100.0% | Sold out |
| Focus Financial Network, Inc. | 0 | $0 | 0.00% | −10,484−100.0% | Sold out |
| Garton & Associates Financial Advisors LLC | 0 | $0 | 0.00% | −10,262−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −8,500−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −7,443−100.0% | Sold out |
| Archetype Wealth Partners | 0 | $0 | 0.00% | −3,090−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | – | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −1,131−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |