As of 30 Sep 2025, 122 institutional investors reported holding 17,016,350 shares of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 6,169,906 | $62,879,285 | +$3,601,100 | $10.19 | 67 |
| 2025 Q3 | 17,016,350 | $180,111,749 | +$2,944,992 | $10.59 | 122 |
| 2025 Q2 | 17,162,775 | $177,956,982 | -$1,560,938 | $10.37 | 126 |
| 2025 Q1 | 17,254,961 | $188,244,160 | +$7,315,131 | $10.91 | 130 |
| 2024 Q4 | 16,635,378 | $179,876,006 | +$4,489,269 | $10.81 | 125 |
| 2024 Q3 | 15,976,805 | $185,977,476 | +$5,735,379 | $11.66 | 120 |
| 2024 Q2 | 15,661,365 | $168,993,166 | -$44,126 | $10.79 | 119 |
| 2024 Q1 | 15,668,790 | $165,368,655 | +$3,572,346 | $10.56 | 117 |
| 2023 Q4 | 15,380,614 | $151,935,904 | +$12,847,310 | $9.88 | 132 |
| 2023 Q3 | 13,643,943 | $126,597,104 | +$1,152,440 | $9.28 | 114 |
| 2023 Q2 | 13,495,652 | $142,650,520 | -$3,211,043 | $10.57 | 112 |
| 2023 Q1 | 13,751,033 | $148,448,067 | +$14,789,882 | $10.80 | 121 |
| 2022 Q4 | 12,365,891 | $127,884,488 | +$18,483,613 | $10.34 | 123 |
| 2022 Q3 | 10,675,643 | $109,926,549 | -$1,347,034 | $10.28 | 117 |
| 2022 Q2 | 10,744,078 | $125,798,595 | -$1,137,328 | $11.70 | 117 |
| 2022 Q1 | 10,542,170 | $136,797,434 | +$5,139,012 | $13.01 | 109 |
| 2021 Q4 | 10,310,769 | $155,891,885 | +$3,550,599 | $15.12 | 121 |
| 2021 Q3 | 9,796,048 | $144,572,478 | +$8,981,724 | $14.76 | 110 |
| 2021 Q2 | 9,085,642 | $139,847,837 | +$9,897,710 | $15.39 | 108 |
| 2021 Q1 | 8,449,721 | $121,934,750 | +$5,765,007 | $14.43 | 108 |
| 2020 Q4 | 7,180,955 | $103,529,929 | +$4,944,698 | $14.42 | 108 |
| 2020 Q3 | 6,778,957 | $91,419,164 | +$3,793,990 | $13.49 | 96 |
| 2020 Q2 | 6,418,100 | $84,686,046 | -$13,116,443 | $13.19 | 86 |
| 2020 Q1 | 7,228,909 | $89,981,350 | +$15,737,435 | $12.45 | 93 |
| 2019 Q4 | 6,246,668 | $88,641,043 | +$9,757,263 | $14.19 | 94 |
| 2019 Q3 | 5,345,777 | $76,308,090 | +$4,341,303 | $14.28 | 83 |
| 2019 Q2 | 5,010,313 | $70,101,153 | -$9,276,303 | $13.96 | 75 |
| 2019 Q1 | 5,676,025 | $76,852,134 | -$9,704,264 | $13.54 | 76 |
| 2018 Q4 | 6,550,826 | $76,145,173 | +$25,101,034 | $11.64 | 74 |
| 2018 Q3 | 4,452,405 | $55,903,802 | -$711,822 | $12.55 | 67 |
| 2018 Q2 | 4,498,974 | $56,984,527 | +$427,549 | $12.67 | 71 |
| 2018 Q1 | 4,415,851 | $55,290,813 | +$11,917,246 | $12.50 | 67 |
| 2017 Q4 | 3,458,041 | $47,099,610 | -$4,147,166 | $13.61 | 55 |
| 2017 Q3 | 3,724,089 | $50,713,344 | +$2,996,044 | $13.61 | 54 |
| 2017 Q2 | 3,505,110 | $47,047,425 | +$3,466,622 | $13.42 | 51 |
| 2017 Q1 | 3,160,408 | $41,558,946 | -$5,348,706 | $13.15 | 46 |
| 2016 Q4 | 3,659,991 | $46,918,914 | +$5,998,112 | $12.81 | 53 |
| 2016 Q3 | 3,127,163 | $45,239,078 | +$3,678,563 | $14.51 | 47 |
| 2016 Q2 | 2,944,232 | $43,827,000 | -$3,378,518 | $14.87 | 44 |
| 2016 Q1 | 3,199,842 | $44,778,000 | +$10,751,944 | $13.98 | 45 |
| 2015 Q4 | 2,468,396 | $34,135,000 | +$802,434 | $13.82 | 40 |
| 2015 Q3 | 2,363,215 | $31,421,000 | -$460,433 | $13.29 | 42 |
| 2015 Q2 | 2,398,595 | $31,364,427 | -$3,080,204 | $13.06 | 46 |
| 2015 Q1 | 2,647,075 | $36,631,574 | -$3,047,369 | $13.84 | 47 |
| 2014 Q4 | 2,875,873 | $38,495,821 | -$1,329,619 | $13.40 | 49 |
| 2014 Q3 | 2,948,555 | $38,449,270 | -$2,086,641 | $13.04 | 43 |
| 2014 Q2 | 3,108,373 | $41,190,180 | +$4,476,735 | $13.25 | 43 |
| 2014 Q1 | 2,771,045 | $35,248,717 | -$6,311,717 | $12.72 | 40 |