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 |
|---|---|---|---|---|---|
| Morgan Stanley | 2,665,732 | $27.7M | 0.00% | +42,983+1.6% | Added |
| Guggenheim Capital LLC | 2,043,438 | $21.2M | 0.17% | +226,583+12.5% | Added |
| UBS Group AG | 1,919,703 | $19.9M | 0.00% | −111,466−5.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,639,102 | $17.0M | 0.57% | +498,545+43.7% | Added |
| Raymond James Financial Inc | 1,119,962 | $11.6M | 0.00% | +39,539+3.7% | Added |
| Wells Fargo & Company | 878,670 | $9.12M | 0.00% | +29,183+3.4% | Added |
| LPL Financial LLC | 764,071 | $7.93M | 0.00% | +33,048+4.5% | Added |
| Van Eck Associates Corp | 674,284 | $7.00M | 0.01% | +71,060+11.8% | Added |
| Melone Private Wealth, LLC | 672,622 | $6.98M | 2.85% | +16,522+2.5% | Added |
| Cetera Investment Advisers | 397,625 | $4.13M | 0.00% | +38,638+10.8% | Added |
| Bank of America Corp | 389,199 | $4.04M | 0.00% | −33,867−8.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 340,621 | $3.54M | 0.00% | +100,680+42.0% | Added |
| Robinson Capital Management, LLC | 332,674 | $3.39M | 1.52% | +332,674 | New |
| Gridiron Partners, LLC | 319,835 | $3.32M | 2.03% | −114,943−26.4% | Reduced |
| Royal Bank of Canada | 277,517 | $2.88M | 0.00% | +9,661+3.6% | Added |
| Advisors Asset Management, Inc. | 262,394 | $2.72M | 0.05% | +94,649+56.4% | Added |
| Stifel Financial Corp | 260,916 | $2.71M | 0.00% | −260.0% | Reduced |
| Advisor Group Holdings, Inc. | 221,890 | $2.30M | 0.00% | +11,238+5.3% | Added |
| Commonwealth Equity Services, LLC | 220,069 | $2.28M | 0.00% | +10,713+5.1% | Added |
| Resources Investment Advisors, LLC. | 186,486 | $1.94M | 0.02% | +1,900+1.0% | Added |
| Platform Technology Partners | 173,235 | $1.80M | 0.35% | +10,000+6.1% | Added |
| Kestra Advisory Services, LLC | 171,598 | $1.78M | 0.01% | +18,716+12.2% | Added |
| Mariner, LLC | 159,675 | $1.66M | 0.00% | +1,862+1.2% | Added |
| AE Wealth Management LLC | 158,856 | $1.65M | 0.01% | +20,699+15.0% | Added |
| Baird Financial Group, Inc. | 157,561 | $1.64M | 0.00% | +720.0% | Added |
| High Net Worth Advisory Group LLC | 140,264 | $1.46M | 0.34% | −10,782−7.1% | Reduced |
| Truist Financial Corp | 138,994 | $1.44M | 0.00% | +9,044+7.0% | Added |
| Palogic Value Management, L.P. | 133,250 | $1.38M | 0.61% | +2,000+1.5% | Added |
| Rockefeller Capital Management L.P. | 131,227 | $1.36M | 0.00% | −6,764−4.9% | Reduced |
| PFG Investments, LLC | 127,716 | $1.33M | 0.06% | +1,315+1.0% | Added |
| HighPoint Advisor Group LLC | 125,194 | $1.30M | 0.05% | +7,847+6.7% | Added |
| Cerity Partners LLC | 118,083 | $1.23M | 0.00% | +118,083 | New |
| Ellis Investment Partners, LLC | 111,427 | $1.16M | 0.20% | +5,537+5.2% | Added |
| MFA Wealth Services | 109,546 | $1.14M | 0.75% | +892+0.8% | Added |
| Wakefield Asset Management LLLP | 101,823 | $1.06M | 0.28% | +10,447+11.4% | Added |
| Thompson David Blair | 94,242 | $978.2K | 0.56% | +94,242 | New |
| Wiley Bros.-Aintree Capital, LLC | 93,425 | $969.8K | 0.00% | +347+0.4% | Added |
| Ameriprise Financial Inc | 91,111 | $945.7K | 0.00% | −6,631−6.8% | Reduced |
| Ausdal Financial Partners, Inc. | 84,715 | $880.0K | 0.04% | +13,635+19.2% | Added |
| TCP Asset Management, LLC | 83,795 | $869.8K | 0.11% | +83,795 | New |
| Cambridge Investment Research Advisors, Inc. | 81,949 | $851.0K | 0.00% | +618+0.8% | Added |
| Envestnet Asset Management Inc | 81,601 | $847.0K | 0.00% | −697−0.8% | Reduced |
| Camelot Portfolios, LLC | 72,853 | $756.2K | 0.57% | −231−0.3% | Reduced |
| WESPAC Advisors, LLC | 72,603 | $753.6K | 0.41% | 00.0% | Unchanged |
| Worthington Financial Partners, LLC | 70,251 | $729.2K | 0.63% | +51+0.1% | Added |
| Venture Visionary Partners LLC | 70,191 | $728.6K | 0.02% | +210.0% | Added |
| Eq Wealth Advisors, LLC | 65,886 | $683.9K | 0.40% | +2,240+3.5% | Added |
| Private Advisor Group, LLC | 54,264 | $563.3K | 0.00% | +2,544+4.9% | Added |
| GWM Advisors LLC | 53,721 | $557.6K | 0.00% | −3,912−6.8% | Reduced |
| YHB Investment Advisors, Inc. | 53,055 | $550.7K | 0.04% | +53,055 | New |
| XTX Topco Ltd | 49,330 | $512.0K | 0.01% | +20,964+73.9% | Added |
| Core Wealth Partners LLC | 44,563 | $462.6K | 0.22% | +23+0.1% | Added |
| Traynor Capital Management, Inc. | 45,081 | $451.3K | 0.03% | −9,236−17.0% | Reduced |
| Smith, Moore & Co. | 42,799 | $444.3K | 0.03% | −35,746−45.5% | Reduced |
| Jane Street Group, LLC | 41,206 | $427.7K | 0.00% | −218,183−84.1% | Reduced |
| Harbour Investments, Inc. | 41,081 | $426.4K | 0.01% | −807−1.9% | Reduced |
| Mutual Advisors, LLC | 41,018 | $425.8K | 0.01% | +20,331+98.3% | Added |
| Cliftonlarsonallen Wealth Advisors, LLC | 38,418 | $398.8K | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 36,733 | $381.0K | 0.00% | +3,380+10.1% | Added |
| Colony Group, LLC | 35,229 | $365.7K | 0.00% | 00.0% | Unchanged |
| Ibex Wealth Advisors | 33,739 | $350.2K | 0.03% | 00.0% | Unchanged |
| Noble Wealth Management PBC | 33,664 | $349.4K | 0.18% | −1,303−3.7% | Reduced |
| Everstar Asset Management, LLC | 33,474 | $347.5K | 0.18% | −1,784−5.1% | Reduced |
| Capital Investment Advisors, LLC | 30,489 | $316.5K | 0.00% | 00.0% | Unchanged |
| Wedbush Securities Inc | 28,860 | $300.0K | 0.01% | +5,153+21.7% | Added |
| We Are One Seven, LLC | 27,464 | $285.1K | 0.01% | +27+0.1% | Added |
| Susquehanna International Group, LLP | 26,737 | $277.5K | 0.00% | −7,729−22.4% | Reduced |
| Ashton Thomas Private Wealth, LLC | 26,487 | $274.9K | 0.01% | +4,400+19.9% | Added |
| Plan Group Financial, LLC | 25,114 | $260.7K | 0.06% | 00.0% | Unchanged |
| Fifth Third Bancorp | 23,089 | $239.7K | 0.00% | +23,089 | New |
| Duncker Streett & Co Inc | 22,900 | $237.7K | 0.05% | 00.0% | Unchanged |
| Signal Advisors Wealth, LLC | 22,698 | $235.6K | 0.02% | +22,698 | New |
| Secure Asset Management, LLC | 22,590 | $234.5K | 0.04% | +12,065+114.6% | Added |
| Oppenheimer & Co Inc | 20,584 | $213.7K | 0.00% | +152+0.7% | Added |
| Creative Planning | 20,481 | $212.6K | 0.00% | +3,149+18.2% | Added |
| FF Advisors,LLC | 20,119 | $207.4K | 0.08% | −7,294−26.6% | Reduced |
| Melfa Wealth Management, LLC | 19,802 | $205.5K | 0.12% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 17,825 | $185.0K | 0.01% | +17,825 | New |
| Kercheville Advisors, LLC | 17,579 | $182.5K | 0.06% | +16+0.1% | Added |
| HBK Sorce Advisory LLC | 17,569 | $180.1K | 0.00% | +17,569 | New |
| LexAurum Advisors, LLC | 17,143 | $177.9K | 0.02% | +17,143 | New |
| Outlook Wealth Advisors, LLC | 16,977 | $176.2K | 0.04% | +16,977 | New |
| Steward Partners Investment Advisory, LLC | 15,695 | $162.9K | 0.00% | +6,511+70.9% | Added |
| Dynamic Advisor Solutions LLC | 15,166 | $157.4K | 0.00% | +79+0.5% | Added |
| Pacitti Group Inc. | 15,048 | $156.2K | 0.06% | +300+2.0% | 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 |
| Diversify Wealth Management, LLC | 15,000 | $151.8K | 0.00% | +5,000+50.0% | Added |
| Stratos Wealth Partners, LTD. | 14,476 | $150.3K | 0.00% | +14,476 | New |
| Cane Capital Partners, LLC | 14,400 | $149.5K | 0.07% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 14,349 | $148.9K | 0.02% | 00.0% | Unchanged |
| Citadel Advisors LLC | 13,891 | $144.2K | 0.00% | +1,423+11.4% | Added |
| Boothbay Fund Management, LLC | 13,282 | $137.9K | 0.00% | +13,282 | New |
| XML Financial, LLC | 12,700 | $131.8K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 12,583 | $130.6K | 0.00% | +2,542+25.3% | Added |
| Thrivent Financial for Lutherans | 12,530 | $130.0K | 0.00% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 12,011 | $125.5K | 0.00% | +147+1.2% | Added |
| Concurrent Investment Advisors, LLC | 11,964 | $124.2K | 0.00% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 11,930 | $123.8K | 0.00% | 00.0% | Unchanged |
| Smith Chas P & Associates Pa Cpas | 11,800 | $122.5K | 0.01% | +11,800 | New |