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, Q1 2026
Institutional positions in Nuveen Municipal High Income Opportunity Fund as of Mar 31, 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
- 138
- +12 vs. Q4 2025
- Shares held
- 20.2M
- +1.38M (+7.4%) vs. Q4 2025
- Total value
- $209.4M
- +$17.8M (+9.3%) vs. Q4 2025
- New holders
- 23
- 60 more added
- Sold out
- 11
- 22 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Nuveen Municipal High Income Opportunity Fund; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Berkeley Capital Partners, LLC | 11,573 | $120.1K | 0.03% | 00.0% | Unchanged |
| Ramiah Investment Group | 11,028 | $114.5K | 0.10% | +577+5.5% | Added |
| Principle Wealth Partners LLC | 11,000 | $114.2K | 0.01% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 10,726 | $111.3K | 0.00% | −1,146−9.7% | Reduced |
| Sigma Planning Corp | 10,601 | $110.0K | 0.00% | +10,601 | New |
| Focus Financial Network, Inc. | 10,484 | $109.5K | 0.00% | +10,484 | New |
| Sage Capital Management, LLC | 10,500 | $109.0K | 0.05% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 10,369 | $107.6K | 0.00% | +10,369 | New |
| Snowden Capital Advisors LLC | 10,291 | $107.5K | 0.00% | 00.0% | Unchanged |
| Van Hulzen Asset Management, LLC | 10,312 | $107.0K | 0.01% | 00.0% | Unchanged |
| Garton & Associates Financial Advisors LLC | 10,262 | $106.5K | 0.09% | +1,400+15.8% | Added |
| Independent Financial Group, LLC | 10,063 | $104.5K | 0.00% | +63+0.6% | Added |
| Cito Capital Group, LLC | 10,000 | $104.0K | 0.03% | 00.0% | Unchanged |
| Intellus Advisors LLC | 10,000 | $103.8K | 0.01% | 00.0% | Unchanged |
| Blueline Advisors LLC | 9,314 | $96.7K | 0.07% | −1,964−17.4% | Reduced |
| MAI Capital Management | 8,940 | $92.8K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 8,500 | $88.2K | 0.00% | +2,500+41.7% | Added |
| Advisory Services Network, LLC | 7,443 | $77.3K | 0.00% | +7,443 | New |
| N.E.W. Advisory Services LLC | 6,000 | $62.3K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 3,926 | $40.8K | 0.00% | −27,284−87.4% | Reduced |
| Farther Finance Advisors, LLC | 3,728 | $38.5K | 0.00% | +7+0.2% | Added |
| Geneos Wealth Management Inc. | 3,512 | $36.5K | 0.00% | +3,512 | New |
| Archetype Wealth Partners | 3,090 | $32.0K | 0.00% | −13,200−81.0% | Reduced |
| US Bancorp | 3,000 | $31.1K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | – | $23.5K | 0.00% | – | New |
| Highline Wealth Partners LLC | 2,000 | $20.8K | 0.01% | 00.0% | Unchanged |
| Prosperity Bancshares Inc | 2,000 | $20.8K | 0.02% | +2,000 | New |
| CWM, LLC | 1,924 | $20.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 1,398 | $14.0K | 0.00% | +1,398 | New |
| IFP Advisors, Inc | 1,262 | $13.1K | 0.00% | +112+9.7% | Added |
| Private Trust Co NA | 1,200 | $12.5K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 1,131 | $11.7K | 0.00% | +21+1.9% | Added |
| Trust Co of Toledo NA | 1,000 | $10.4K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 1,000 | $10.4K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 679 | $7.02K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 403 | $4.18K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 336 | $3.49K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 42 | $436 | 0.00% | +33+366.7% | Added |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −80,007−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −65,058−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −58,460−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −34,622−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −27,100−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −23,586−100.0% | Sold out |
| KG&L Capital Management,LLC | 0 | $0 | 0.00% | −17,800−100.0% | Sold out |
| Grimes & Company, Inc. | 0 | $0 | 0.00% | −13,767−100.0% | Sold out |
| Webster Bank, N. A. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Turning Point Benefit Group, Inc. | 0 | $0 | 0.00% | −1,004−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −281−100.0% | Sold out |
| Running Point Capital Advisors, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Maryland Capital Advisors Inc. | – | – | – | – | Not filed |