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, Q4 2025
Institutional positions in Nuveen Municipal High Income Opportunity Fund as of Dec 31, 2025. 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
- 130
- +10 vs. Q3 2025
- Shares held
- 18.9M
- +349.1K (+1.9%) vs. Q3 2025
- Total value
- $193.0M
- +$9.08M (+4.9%) vs. Q3 2025
- New holders
- 24
- 39 more added
- Sold out
- 14
- 41 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Nuveen Municipal High Income Opportunity Fund; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| PFG Investments, LLC | 126,401 | $1.29M | 0.06% | −49,755−28.2% | Reduced |
| Truist Financial Corp | 129,950 | $1.32M | 0.00% | −738−0.6% | Reduced |
| Palogic Value Management, L.P. | 131,250 | $1.34M | 0.57% | −450−0.3% | Reduced |
| Rockefeller Capital Management L.P. | 137,991 | $1.41M | 0.00% | −10,841−7.3% | Reduced |
| AE Wealth Management LLC | 138,157 | $1.41M | 0.01% | −951−0.7% | Reduced |
| High Net Worth Advisory Group LLC | 151,046 | $1.54M | 0.35% | −78,693−34.3% | Reduced |
| Kestra Advisory Services, LLC | 152,882 | $1.56M | 0.01% | −22,904−13.0% | Reduced |
| Baird Financial Group, Inc. | 157,489 | $1.60M | 0.00% | −43,552−21.7% | Reduced |
| Mariner, LLC | 157,813 | $1.61M | 0.00% | +67,137+74.0% | Added |
| Platform Technology Partners | 163,235 | $1.66M | 0.35% | +93,732+134.9% | Added |
| Advisors Asset Management, Inc. | 167,745 | $1.71M | 0.03% | +167,745 | New |
| Resources Investment Advisors, LLC. | 184,586 | $1.88M | 0.02% | −35,730−16.2% | Reduced |
| Commonwealth Equity Services, LLC | 209,356 | $2.13M | 0.00% | −21,518−9.3% | Reduced |
| Advisor Group Holdings, Inc. | 210,652 | $2.15M | 0.00% | −18,157−7.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 239,941 | $2.44M | 0.00% | +615+0.3% | Added |
| Jane Street Group, LLC | 259,389 | $2.64M | 0.00% | +242,223+1,411.1% | Added |
| Stifel Financial Corp | 260,942 | $2.66M | 0.00% | +374+0.1% | Added |
| Royal Bank of Canada | 267,856 | $2.73M | 0.00% | −25,673−8.7% | Reduced |
| Cetera Investment Advisers | 358,987 | $3.66M | 0.00% | −43,073−10.7% | Reduced |
| Bank of America Corp | 423,066 | $4.31M | 0.00% | −123,378−22.6% | Reduced |
| Gridiron Partners, LLC | 434,778 | $4.43M | 2.52% | −1,214,594−73.6% | Reduced |
| Van Eck Associates Corp | 603,224 | $6.15M | 0.01% | +149,902+33.1% | Added |
| Melone Private Wealth, LLC | 656,100 | $6.69M | 2.84% | +62,241+10.5% | Added |
| LPL Financial LLC | 731,023 | $7.45M | 0.00% | +128,087+21.2% | Added |
| Wells Fargo & Company | 849,487 | $8.66M | 0.00% | −4,973−0.6% | Reduced |
| Raymond James Financial Inc | 1,080,423 | $11.0M | 0.00% | −44,738−4.0% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,140,557 | $11.6M | 0.40% | +416,337+57.5% | Added |
| Guggenheim Capital LLC | 1,816,855 | $18.5M | 0.14% | +172,150+10.5% | Added |
| UBS Group AG | 2,031,169 | $20.7M | 0.00% | +72,869+3.7% | Added |
| Morgan Stanley | 2,622,749 | $26.7M | 0.00% | +132,909+5.3% | Added |
| Regatta Capital Group, LLC | 0 | $0 | 0.00% | −109,768−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −36,732−100.0% | Sold out |
| Williams Jones Wealth Management, LLC. | 0 | $0 | 0.00% | −34,963−100.0% | Sold out |
| Focus Financial Network, Inc. | 0 | $0 | 0.00% | −30,301−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −16,907−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,909−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −11,968−100.0% | Sold out |
| Hudson Valley Investment Advisors Inc | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Horizon Kinetics Asset Management LLC | 0 | $0 | 0.00% | −10,369−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −8,010−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −6,965−100.0% | Sold out |
| CX Institutional | 0 | $0 | 0.00% | −2,065−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −715−100.0% | Sold out |
| Key Financial Inc | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| LexAurum Advisors, LLC | – | – | – | – | Not filed |
| EWG Elevate Inc. | – | – | – | – | Not filed |
| Sonora Investment Management Group, LLC | – | – | – | – | Not filed |
| Guerra Advisors Inc | – | – | – | – | Not filed |