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 |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 42 | $436 | 0.00% | +33+366.7% | Added |
| Assetmark, Inc | 336 | $3.49K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 403 | $4.18K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 679 | $7.02K | 0.00% | 00.0% | Unchanged |
| 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 |
| Sound Income Strategies, LLC | 1,131 | $11.7K | 0.00% | +21+1.9% | Added |
| Private Trust Co NA | 1,200 | $12.5K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1,262 | $13.1K | 0.00% | +112+9.7% | Added |
| Penserra Capital Management LLC | 1,398 | $14.0K | 0.00% | +1,398 | New |
| CWM, LLC | 1,924 | $20.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Huntington National Bank | – | $23.5K | 0.00% | – | New |
| US Bancorp | 3,000 | $31.1K | 0.00% | 00.0% | Unchanged |
| Archetype Wealth Partners | 3,090 | $32.0K | 0.00% | −13,200−81.0% | Reduced |
| Geneos Wealth Management Inc. | 3,512 | $36.5K | 0.00% | +3,512 | New |
| Farther Finance Advisors, LLC | 3,728 | $38.5K | 0.00% | +7+0.2% | Added |
| SRS Capital Advisors, Inc. | 3,926 | $40.8K | 0.00% | −27,284−87.4% | Reduced |
| N.E.W. Advisory Services LLC | 6,000 | $62.3K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 7,443 | $77.3K | 0.00% | +7,443 | New |
| Allworth Financial LP | 8,500 | $88.2K | 0.00% | +2,500+41.7% | Added |
| MAI Capital Management | 8,940 | $92.8K | 0.00% | 00.0% | Unchanged |
| Blueline Advisors LLC | 9,314 | $96.7K | 0.07% | −1,964−17.4% | Reduced |
| Intellus Advisors LLC | 10,000 | $103.8K | 0.01% | 00.0% | Unchanged |
| Cito Capital Group, LLC | 10,000 | $104.0K | 0.03% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 10,063 | $104.5K | 0.00% | +63+0.6% | Added |
| Garton & Associates Financial Advisors LLC | 10,262 | $106.5K | 0.09% | +1,400+15.8% | Added |
| Van Hulzen Asset Management, LLC | 10,312 | $107.0K | 0.01% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 10,291 | $107.5K | 0.00% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 10,369 | $107.6K | 0.00% | +10,369 | New |
| Sage Capital Management, LLC | 10,500 | $109.0K | 0.05% | 00.0% | Unchanged |
| Focus Financial Network, Inc. | 10,484 | $109.5K | 0.00% | +10,484 | New |
| Sigma Planning Corp | 10,601 | $110.0K | 0.00% | +10,601 | New |
| Merit Financial Group, LLC | 10,726 | $111.3K | 0.00% | −1,146−9.7% | Reduced |
| Principle Wealth Partners LLC | 11,000 | $114.2K | 0.01% | 00.0% | Unchanged |
| Ramiah Investment Group | 11,028 | $114.5K | 0.10% | +577+5.5% | Added |
| Berkeley Capital Partners, LLC | 11,573 | $120.1K | 0.03% | 00.0% | Unchanged |
| Smith Chas P & Associates Pa Cpas | 11,800 | $122.5K | 0.01% | +11,800 | New |
| D.A. Davidson & Co. | 11,930 | $123.8K | 0.00% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 11,964 | $124.2K | 0.00% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 12,011 | $125.5K | 0.00% | +147+1.2% | Added |
| Thrivent Financial for Lutherans | 12,530 | $130.0K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 12,583 | $130.6K | 0.00% | +2,542+25.3% | Added |
| XML Financial, LLC | 12,700 | $131.8K | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 13,282 | $137.9K | 0.00% | +13,282 | New |
| Citadel Advisors LLC | 13,891 | $144.2K | 0.00% | +1,423+11.4% | Added |
| Tyche Wealth Partners LLC | 14,349 | $148.9K | 0.02% | 00.0% | Unchanged |
| Cane Capital Partners, LLC | 14,400 | $149.5K | 0.07% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 14,476 | $150.3K | 0.00% | +14,476 | New |
| Diversify Wealth Management, LLC | 15,000 | $151.8K | 0.00% | +5,000+50.0% | Added |
| Abel Hall, LLC | 15,000 | $155.7K | 0.03% | 00.0% | Unchanged |
| Sanibel Captiva Trust Company, Inc. | 15,000 | $155.7K | 0.00% | +15,000 | New |
| Pacitti Group Inc. | 15,048 | $156.2K | 0.06% | +300+2.0% | Added |
| Dynamic Advisor Solutions LLC | 15,166 | $157.4K | 0.00% | +79+0.5% | Added |
| Steward Partners Investment Advisory, LLC | 15,695 | $162.9K | 0.00% | +6,511+70.9% | Added |
| Outlook Wealth Advisors, LLC | 16,977 | $176.2K | 0.04% | +16,977 | New |
| LexAurum Advisors, LLC | 17,143 | $177.9K | 0.02% | +17,143 | New |
| HBK Sorce Advisory LLC | 17,569 | $180.1K | 0.00% | +17,569 | New |
| Kercheville Advisors, LLC | 17,579 | $182.5K | 0.06% | +16+0.1% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 17,825 | $185.0K | 0.01% | +17,825 | New |
| Melfa Wealth Management, LLC | 19,802 | $205.5K | 0.12% | 00.0% | Unchanged |
| FF Advisors,LLC | 20,119 | $207.4K | 0.08% | −7,294−26.6% | Reduced |
| Creative Planning | 20,481 | $212.6K | 0.00% | +3,149+18.2% | Added |
| Oppenheimer & Co Inc | 20,584 | $213.7K | 0.00% | +152+0.7% | Added |
| Secure Asset Management, LLC | 22,590 | $234.5K | 0.04% | +12,065+114.6% | Added |
| Signal Advisors Wealth, LLC | 22,698 | $235.6K | 0.02% | +22,698 | New |
| Duncker Streett & Co Inc | 22,900 | $237.7K | 0.05% | 00.0% | Unchanged |
| Fifth Third Bancorp | 23,089 | $239.7K | 0.00% | +23,089 | New |
| Plan Group Financial, LLC | 25,114 | $260.7K | 0.06% | 00.0% | Unchanged |
| Ashton Thomas Private Wealth, LLC | 26,487 | $274.9K | 0.01% | +4,400+19.9% | Added |
| Susquehanna International Group, LLP | 26,737 | $277.5K | 0.00% | −7,729−22.4% | Reduced |
| We Are One Seven, LLC | 27,464 | $285.1K | 0.01% | +27+0.1% | Added |
| Wedbush Securities Inc | 28,860 | $300.0K | 0.01% | +5,153+21.7% | Added |
| Capital Investment Advisors, LLC | 30,489 | $316.5K | 0.00% | 00.0% | Unchanged |
| Everstar Asset Management, LLC | 33,474 | $347.5K | 0.18% | −1,784−5.1% | Reduced |
| Noble Wealth Management PBC | 33,664 | $349.4K | 0.18% | −1,303−3.7% | Reduced |
| Ibex Wealth Advisors | 33,739 | $350.2K | 0.03% | 00.0% | Unchanged |
| Colony Group, LLC | 35,229 | $365.7K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 36,733 | $381.0K | 0.00% | +3,380+10.1% | Added |
| Cliftonlarsonallen Wealth Advisors, LLC | 38,418 | $398.8K | 0.01% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 41,018 | $425.8K | 0.01% | +20,331+98.3% | Added |
| Harbour Investments, Inc. | 41,081 | $426.4K | 0.01% | −807−1.9% | Reduced |
| Jane Street Group, LLC | 41,206 | $427.7K | 0.00% | −218,183−84.1% | Reduced |
| Smith, Moore & Co. | 42,799 | $444.3K | 0.03% | −35,746−45.5% | Reduced |
| Traynor Capital Management, Inc. | 45,081 | $451.3K | 0.03% | −9,236−17.0% | Reduced |
| Core Wealth Partners LLC | 44,563 | $462.6K | 0.22% | +23+0.1% | Added |
| XTX Topco Ltd | 49,330 | $512.0K | 0.01% | +20,964+73.9% | Added |
| YHB Investment Advisors, Inc. | 53,055 | $550.7K | 0.04% | +53,055 | New |
| GWM Advisors LLC | 53,721 | $557.6K | 0.00% | −3,912−6.8% | Reduced |
| Private Advisor Group, LLC | 54,264 | $563.3K | 0.00% | +2,544+4.9% | Added |
| Eq Wealth Advisors, LLC | 65,886 | $683.9K | 0.40% | +2,240+3.5% | Added |
| Venture Visionary Partners LLC | 70,191 | $728.6K | 0.02% | +210.0% | Added |
| Worthington Financial Partners, LLC | 70,251 | $729.2K | 0.63% | +51+0.1% | Added |
| WESPAC Advisors, LLC | 72,603 | $753.6K | 0.41% | 00.0% | Unchanged |
| Camelot Portfolios, LLC | 72,853 | $756.2K | 0.57% | −231−0.3% | Reduced |
| Envestnet Asset Management Inc | 81,601 | $847.0K | 0.00% | −697−0.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 81,949 | $851.0K | 0.00% | +618+0.8% | Added |
| TCP Asset Management, LLC | 83,795 | $869.8K | 0.11% | +83,795 | New |
| Ausdal Financial Partners, Inc. | 84,715 | $880.0K | 0.04% | +13,635+19.2% | Added |