Security Snapshot

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ) Institutional Ownership

CUSIP: 670682103

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

127

Shares (Excl. Options)

18,800,342

Price

$10.19

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.

Type / Class
Equity / COM
Symbol
NMZ on NYSE
Price per share
$10.38
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
18,800,342
Total reported value
$191,583,955
% of total 13F portfolios
0%
Share change
+1,334,162
Value change
+$13,474,873
Number of holders
127
Price from insider filings
$10.38
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM is tracked under CUSIP 670682103.
  • 127 institutions reported positions in Q4 2025.
  • Schedule 13D/13G significant owner rows are not currently available.

What Changed

  • Holder count moved from 127 to 33 between Q4 2025 and Q1 2026.
  • Reported value moved from $191,583,955 to $19,848,920.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 127 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 670682103?
CUSIP 670682103 identifies NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

As of 31 Dec 2025, 127 institutional investors reported holding 18,800,342 shares of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ).

Institutional Holders of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,912,161 $19,848,920 -$388,389 $10.38 33
2025 Q4 18,800,342 $191,583,955 +$13,474,873 $10.19 127
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