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 | 2,448,939 | $24,954,687 | +$3,335,553 | $10.19 | 9 |
| 2025 Q3 | 17,016,350 | $180,111,748 | +$2,944,991 | $10.59 | 122 |
| 2025 Q2 | 17,162,775 | $177,956,982 | -$1,560,934 | $10.37 | 126 |
| 2025 Q1 | 17,254,961 | $188,244,160 | +$7,315,130 | $10.91 | 130 |
| 2024 Q4 | 16,533,278 | $178,859,326 | +$3,385,020 | $10.81 | 124 |
| 2024 Q3 | 15,975,076 | $185,957,316 | +$5,726,872 | $11.66 | 118 |
| 2024 Q2 | 15,628,372 | $168,637,172 | -$44,144 | $10.79 | 117 |
| 2024 Q1 | 15,667,790 | $165,358,095 | +$1,502,592 | $10.56 | 116 |
| 2023 Q4 | 94,993 | $938,531 | +$612,491 | $9.88 | 2 |
| 2023 Q3 | 13,641,270 | $126,572,045 | +$1,136,649 | $9.28 | 113 |
| 2023 Q2 | 13,494,652 | $142,639,950 | -$3,211,044 | $10.57 | 111 |
| 2023 Q1 | 13,750,033 | $148,437,267 | +$14,534,029 | $10.80 | 120 |
| 2022 Q4 | 12,364,891 | $127,874,148 | +$18,483,616 | $10.34 | 122 |
| 2022 Q3 | 10,674,643 | $109,916,269 | -$1,395,172 | $10.28 | 116 |
| 2022 Q2 | 10,743,578 | $125,792,745 | -$1,524,596 | $11.70 | 116 |
| 2022 Q1 | 10,180,330 | $132,088,929 | +$4,993,923 | $13.01 | 107 |
| 2021 Q4 | 9,960,079 | $150,590,325 | +$3,553,042 | $15.12 | 119 |
| 2021 Q3 | 9,795,548 | $144,565,098 | +$8,981,720 | $14.76 | 109 |
| 2021 Q2 | 9,085,142 | $139,840,142 | +$9,621,167 | $15.39 | 107 |
| 2021 Q1 | 8,132,865 | $117,363,245 | +$5,527,672 | $14.43 | 106 |
| 2020 Q4 | 7,177,455 | $103,479,459 | +$4,930,461 | $14.42 | 107 |
| 2020 Q3 | 6,775,457 | $91,371,949 | +$3,793,994 | $13.49 | 95 |
| 2020 Q2 | 6,414,600 | $84,639,881 | -$13,491,392 | $13.19 | 85 |
| 2020 Q1 | 7,225,409 | $89,937,775 | +$15,801,423 | $12.45 | 92 |
| 2019 Q4 | 6,243,168 | $88,591,378 | +$9,742,233 | $14.19 | 93 |
| 2019 Q3 | 5,345,777 | $76,308,090 | +$4,331,350 | $14.28 | 83 |
| 2019 Q2 | 5,010,313 | $70,101,153 | -$9,314,305 | $13.96 | 75 |
| 2019 Q1 | 5,676,025 | $76,852,134 | -$9,704,247 | $13.54 | 76 |
| 2018 Q4 | 6,528,826 | $75,864,173 | +$24,947,735 | $11.64 | 73 |
| 2018 Q3 | 4,452,405 | $55,903,802 | -$1,441,527 | $12.55 | 67 |
| 2018 Q2 | 4,498,974 | $56,984,527 | +$428,274 | $12.67 | 71 |
| 2018 Q1 | 4,415,851 | $55,290,813 | +$12,225,253 | $12.50 | 67 |
| 2017 Q4 | 3,458,041 | $47,099,610 | -$4,147,163 | $13.61 | 55 |
| 2017 Q3 | 3,724,089 | $50,713,344 | +$2,996,038 | $13.61 | 54 |
| 2017 Q2 | 3,505,110 | $47,047,425 | +$3,687,962 | $13.42 | 51 |
| 2017 Q1 | 2,656,966 | $34,938,946 | -$5,445,227 | $13.15 | 45 |
| 2016 Q4 | 3,659,991 | $46,918,914 | +$6,000,124 | $12.81 | 53 |
| 2016 Q3 | 3,127,066 | $45,237,078 | +$3,678,558 | $14.51 | 46 |
| 2016 Q2 | 2,944,232 | $43,827,000 | -$4,263,186 | $14.87 | 44 |
| 2016 Q1 | 3,098,489 | $43,361,000 | +$10,763,316 | $13.98 | 43 |
| 2015 Q4 | 2,468,396 | $34,135,000 | +$802,442 | $13.82 | 40 |
| 2015 Q3 | 2,363,118 | $31,420,000 | -$686,437 | $13.29 | 41 |
| 2015 Q2 | 2,398,498 | $31,363,427 | -$2,789,887 | $13.06 | 45 |
| 2015 Q1 | 2,644,236 | $36,592,574 | -$3,383,573 | $13.84 | 45 |
| 2014 Q4 | 2,852,442 | $38,181,821 | -$1,297,442 | $13.40 | 48 |
| 2014 Q3 | 2,948,458 | $38,448,270 | -$2,418,342 | $13.04 | 42 |
| 2014 Q2 | 3,082,947 | $40,853,289 | +$4,475,340 | $13.25 | 42 |
| 2014 Q1 | 2,771,045 | $35,248,717 | -$5,978,745 | $12.72 | 40 |