NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - NMZ

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
MORGAN STANLEY History Added to 2,665,732 27,670 0.0% 0.0% 1 +42,983 1.64% Q1 2026 May 15, 2026
GUGGENHEIM CAPITAL LLC History Added to 2,043,438 21,210 0.16% 0.13% 2 +226,583 12.47% Q1 2026 May 15, 2026
UBS Group AG History Reduced 1,919,703 19,926 0.0% 0.0% 3 -111,466 -5.49% Q1 2026 May 05, 2026
Hennion & Walsh Asset Management, Inc. History Added to 1,639,102 17,013 0.57% 0.4% 4 +498,545 43.71% Q1 2026 May 13, 2026
RAYMOND JAMES FINANCIAL INC History Added to 1,119,962 11,625 0.0% 0.0% 5 +39,539 3.66% Q1 2026 May 14, 2026
WELLS FARGO & COMPANY/MN History Added to 878,670 9,120 0.0% 0.0% 6 +29,183 3.44% Q1 2026 May 11, 2026
LPL Financial LLC History Added to 764,071 7,931 0.0% 0.0% 7 +33,048 4.52% Q1 2026 May 06, 2026
VAN ECK ASSOCIATES CORP History Added to 674,284 6,999 0.01% 0.01% 8 +71,060 11.78% Q1 2026 May 15, 2026
Melone Private Wealth, LLC History Added to 672,622 6,981 2.85% 2.84% 9 +16,522 2.52% Q1 2026 Apr 08, 2026
Cetera Investment Advisers History Added to 397,625 4,127 0.0% 0.0% 10 +38,638 10.76% Q1 2026 May 13, 2026
BANK OF AMERICA CORP /DE/ History Reduced 389,199 4,039 0.0% 0.0% 11 -33,867 -8.01% Q1 2026 May 15, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History Added to 340,621 3,535 0.0% 0.0% 12 +100,680 41.96% Q1 2026 May 07, 2026
ROBINSON CAPITAL MANAGEMENT, LLC History New 332,674 3,386 1.42% 13 +332,674 New Q1 2026 May 11, 2026
Gridiron Partners, LLC History Reduced 319,835 3,319 2.03% 2.52% 14 -114,943 -26.44% Q1 2026 Apr 13, 2026
ROYAL BANK OF CANADA History Added to 277,517 2,881 0.0% 0.0% 15 +9,661 3.61% Q1 2026 May 15, 2026
Advisors Asset Management, Inc. History Added to 262,394 2,723 0.05% 0.03% 16 +94,649 56.42% Q1 2026 May 15, 2026
STIFEL FINANCIAL CORP History Reduced 260,916 2,708 0.0% 0.0% 17 -26 -0.01% Q1 2026 May 12, 2026
OSAIC HOLDINGS, INC. History Added to 221,890 2,303 0.0% 0.0% 18 +11,238 5.33% Q1 2026 May 15, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Added to 220,069 2,284 0.0% 0.0% 19 +10,713 5.12% Q1 2026 Apr 27, 2026
OneDigital Investment Advisors LLC History Added to 186,486 1,935 0.02% 0.02% 20 +1,900 1.03% Q1 2026 May 08, 2026
Platform Technology Partners History Added to 173,235 1,798 0.35% 0.35% 21 +10,000 6.13% Q1 2026 Apr 27, 2026
Kestra Advisory Services, LLC History Added to 171,598 1,781 0.01% 0.01% 22 +18,716 12.24% Q1 2026 Apr 30, 2026
Mariner, LLC History Added to 159,675 1,657 0.0% 0.0% 23 +1,862 1.18% Q1 2026 May 13, 2026
AE Wealth Management LLC History Added to 158,856 1,648 0.01% 0.01% 24 +20,699 14.98% Q1 2026 May 13, 2026
Baird Financial Group, Inc. History Added to 157,561 1,635 0.0% 0.0% 25 +72 0.05% Q1 2026 May 14, 2026
High Net Worth Advisory Group LLC History Reduced 140,264 1,455 0.34% 0.35% 26 -10,782 -7.14% Q1 2026 Apr 17, 2026
TRUIST FINANCIAL CORP History Added to 138,994 1,442 0.0% 0.0% 27 +9,044 6.96% Q1 2026 Apr 27, 2026
Palogic Value Management, L.P. History Added to 133,250 1,383 0.58% 0.56% 28 +2,000 1.52% Q1 2026 May 15, 2026
Rockefeller Capital Management L.P. History Reduced 131,227 1,362 0.0% 0.0% 29 -6,764 -4.9% Q1 2026 May 14, 2026
PFG Investments, LLC History Added to 127,716 1,325 0.06% 0.06% 30 +1,315 1.04% Q1 2026 Apr 27, 2026
HighPoint Advisor Group LLC History New 125,194 1,299 0.05% 31 +125,194 New Q1 2026 May 14, 2026
Cerity Partners LLC History New 118,083 1,225 0.0% 32 +118,083 New Q1 2026 May 15, 2026
Running Point Capital Advisors, LLC History No change 116,659 1,188 0.32% 0.32% 33 0 0.0% Q4 2025 Feb 17, 2026
Ellis Investment Partners, LLC History Added to 111,427 1,156 0.2% 0.19% 34 +5,537 5.23% Q1 2026 May 12, 2026
MFA Wealth Services History Added to 109,546 1,137 0.75% 0.75% 35 +892 0.82% Q1 2026 Apr 21, 2026
Wakefield Asset Management LLLP History Added to 101,823 1,057 0.28% 0.25% 36 +10,447 11.43% Q1 2026 May 12, 2026
&PARTNERS History Added to 93,425 969 0.0% 0.0% 37 +347 0.37% Q1 2026 May 15, 2026
AMERIPRISE FINANCIAL INC History Reduced 91,111 945 0.0% 0.0% 38 -6,631 -6.78% Q1 2026 May 15, 2026
Ausdal Financial Partners, Inc. History Added to 84,715 879 0.04% 0.03% 39 +13,635 19.18% Q1 2026 May 12, 2026
TCP Asset Management, LLC History New 83,795 869 0.11% 40 +83,795 New Q1 2026 Apr 10, 2026
Cambridge Investment Research Advisors, Inc. History Added to 81,949 851 0.0% 0.0% 41 +618 0.76% Q1 2026 Apr 30, 2026
ENVESTNET ASSET MANAGEMENT INC History Reduced 81,601 847 0.0% 0.0% 42 -697 -0.85% Q1 2026 May 04, 2026
Camelot Portfolios, LLC History Reduced 72,853 756 0.56% 0.46% 43 -231 -0.32% Q1 2026 May 08, 2026
WESPAC Advisors, LLC History No change 72,603 753 0.41% 0.4% 44 0 0.0% Q1 2026 Apr 28, 2026
Worthington Financial Partners, LLC History Added to 70,251 729 0.63% 0.63% 45 +51 0.07% Q1 2026 Apr 21, 2026
Venture Visionary Partners LLC History Added to 70,191 728 0.02% 0.02% 46 +21 0.03% Q1 2026 May 14, 2026
EQ WEALTH ADVISORS, LLC History Added to 65,886 683 0.4% 0.38% 47 +2,240 3.52% Q1 2026 May 01, 2026
Private Advisor Group, LLC History Added to 54,264 563 0.0% 0.0% 48 +2,544 4.92% Q1 2026 Apr 24, 2026
YHB Investment Advisors, Inc. History New 53,055 550 0.04% 49 +53,055 New Q1 2026 Apr 10, 2026
XTX Topco Ltd History Added to 49,330 512 0.01% 0.01% 50 +20,964 73.91% Q1 2026 May 15, 2026
Core Wealth Partners LLC History Added to 44,563 462 0.21% 0.2% 51 +23 0.05% Q1 2026 May 08, 2026
Traynor Capital Management, Inc. History Reduced 45,081 451 0.03% 0.03% 52 -9,236 -17.0% Q1 2026 May 14, 2026
SMITH, MOORE & CO. History Reduced 42,799 444 0.03% 0.06% 53 -35,746 -45.51% Q1 2026 May 05, 2026
JANE STREET GROUP, LLC History Reduced 41,206 427 0.0% 0.0% 54 -218,183 -84.11% Q1 2026 May 12, 2026
HARBOUR INVESTMENTS, INC. History Reduced 41,081 426 0.01% 0.01% 55 -807 -1.93% Q1 2026 May 15, 2026
Mutual Advisors, LLC History Added to 41,018 425 0.01% 0.0% 56 +20,331 98.28% Q1 2026 May 01, 2026
CLIFTONLARSONALLEN WEALTH ADVISORS, LLC History No change 38,418 398 0.01% 0.01% 57 0 0.0% Q1 2026 Apr 09, 2026
Janney Montgomery Scott LLC History Added to 36,733 381 0.0% 0.0% 58 +3,380 10.13% Q1 2026 Apr 22, 2026
Focus Partners Wealth History No change 35,229 365 0.0% 0.0% 59 0 0.0% Q1 2026 May 14, 2026
IBEX WEALTH ADVISORS History No change 33,739 350 0.03% 0.03% 60 0 0.0% Q1 2026 Apr 30, 2026
Noble Wealth Management PBC History Reduced 33,664 349 0.18% 0.18% 61 -1,303 -3.73% Q1 2026 Apr 02, 2026
Everstar Asset Management, LLC History Reduced 33,474 347 0.18% 0.19% 62 -1,784 -5.06% Q1 2026 Apr 16, 2026
Capital Investment Advisors, LLC History No change 30,489 316 0.0% 0.0% 63 0 0.0% Q1 2026 Apr 17, 2026
WEDBUSH SECURITIES INC History Added to 28,860 300 0.01% 0.01% 64 +5,153 21.74% Q1 2026 Apr 21, 2026
MGO ONE SEVEN LLC History Added to 27,464 285 0.01% 0.01% 65 +27 0.1% Q1 2026 May 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 26,737 277 0.0% 0.0% 66 -7,729 -22.42% Q1 2026 May 15, 2026
Ashton Thomas Private Wealth, LLC History Added to 26,487 274 0.01% 0.01% 67 +4,400 19.92% Q1 2026 May 11, 2026
Plan Group Financial, LLC History No change 25,114 260 0.06% 0.07% 68 0 0.0% Q1 2026 Apr 13, 2026
FIFTH THIRD BANCORP History New 23,089 239 0.0% 69 +23,089 New Q1 2026 May 01, 2026
DUNCKER STREETT & CO INC History No change 22,900 237 0.05% 0.04% 70 0 0.0% Q1 2026 Apr 29, 2026
Signal Advisors Wealth, LLC History New 22,698 235 0.02% 71 +22,698 New Q1 2026 Apr 17, 2026
Secure Asset Management, LLC History Added to 22,590 234 0.04% 0.02% 72 +12,065 114.63% Q1 2026 Apr 09, 2026
COMERICA BANK History No change 21,189 215 0.0% 0.0% 73 0 0.0% Q4 2025 Jan 29, 2026
OPPENHEIMER & CO INC History Added to 20,584 213 0.0% 0.0% 74 +152 0.74% Q1 2026 Apr 23, 2026
Creative Planning History Added to 20,481 212 0.0% 0.0% 75 +3,149 18.17% Q1 2026 May 12, 2026
FF Advisors,LLC History Reduced 20,119 207 0.08% 0.12% 76 -7,294 -26.61% Q1 2026 Apr 27, 2026
MELFA WEALTH MANAGEMENT, INC. History No change 19,802 205 0.12% 0.12% 77 0 0.0% Q1 2026 Apr 10, 2026
Avior Wealth Management, LLC History New 17,825 185 0.01% 78 +17,825 New Q1 2026 Apr 09, 2026
Kercheville Advisors, LLC History Added to 17,579 182 0.06% 0.05% 79 +16 0.09% Q1 2026 Apr 20, 2026
HBK Sorce Advisory LLC History New 17,569 180 0.0% 80 +17,569 New Q1 2026 May 11, 2026
LexAurum Advisors, LLC History New 17,143 177 0.02% 81 +17,143 New Q1 2026 Apr 13, 2026
Outlook Wealth Advisors, LLC History New 16,977 176 0.04% 82 +16,977 New Q1 2026 Apr 17, 2026
NewEdge Advisors, LLC History Reduced 41,558 167 0.01% 0.0% 83 -16,075 -27.89% Q1 2026 May 15, 2026
Steward Partners Investment Advisory, LLC History Added to 15,695 162 0.0% 0.0% 84 +6,511 70.9% Q1 2026 May 08, 2026
Dynamic Advisor Solutions LLC History Added to 15,166 157 0.0% 0.0% 85 +79 0.52% Q1 2026 Apr 08, 2026
Ranch Capital Advisors Inc. History Added to 15,048 156 0.06% 0.06% 86 +300 2.03% Q1 2026 May 06, 2026
Florida Trust Wealth Management Co History New 15,000 155 0.0% 88 +15,000 New Q1 2026 May 14, 2026
Abel Hall, LLC History No change 15,000 155 0.03% 0.04% 87 0 0.0% Q1 2026 Apr 28, 2026
DIVERSIFY WEALTH MANAGEMENT, LLC History Added to 15,000 151 0.0% 0.0% 89 +5,000 50.0% Q1 2026 May 01, 2026
Stratos Wealth Partners, LTD. History New 14,476 150 0.0% 90 +14,476 New Q1 2026 Apr 28, 2026
Cane Capital Partners, LLC History No change 14,400 149 0.06% 0.06% 91 0 0.0% Q1 2026 Apr 24, 2026
Tyche Wealth Partners LLC History No change 14,349 148 0.02% 0.02% 92 0 0.0% Q1 2026 May 06, 2026
CITADEL ADVISORS LLC History Added to 13,891 144 0.0% 0.0% 93 +1,423 11.41% Q1 2026 May 15, 2026
BOOTHBAY FUND MANAGEMENT, LLC History New 13,282 137 0.0% 94 +13,282 New Q1 2026 May 15, 2026
XML Financial, LLC History No change 12,700 131 0.01% 0.01% 95 0 0.0% Q1 2026 Apr 16, 2026
Spire Wealth Management History Added to 12,583 130 0.0% 0.0% 97 +2,542 25.32% Q1 2026 Apr 22, 2026
THRIVENT FINANCIAL FOR LUTHERANS History No change 12,530 130 0.0% 0.0% 96 0 0.0% Q1 2026 May 01, 2026
AlphaCore Capital LLC History Added to 12,011 125 0.0% 0.0% 98 +147 1.24% Q1 2026 May 15, 2026
Concurrent Investment Advisors, LLC History No change 11,964 124 0.0% 0.0% 99 0 0.0% Q1 2026 Apr 20, 2026
D.A. DAVIDSON & CO. History No change 11,930 123 0.0% 0.0% 100 0 0.0% Q1 2026 May 05, 2026
SMITH CHAS P & ASSOCIATES PA CPAS History New 11,800 122 0.01% 101 +11,800 New Q1 2026 May 12, 2026
Berkeley Capital Partners, LLC History No change 11,573 120 0.03% 0.03% 102 0 0.0% Q1 2026 May 06, 2026
Principle Wealth Partners LLC History No change 11,000 114 0.01% 0.01% 103 0 0.0% Q1 2026 May 07, 2026
Merit Financial Group, LLC History Reduced 10,726 111 0.0% 0.0% 104 -1,146 -9.65% Q1 2026 Apr 15, 2026
Sigma Planning Corp History New 10,601 110 0.0% 105 +10,601 New Q1 2026 May 04, 2026
Focus Financial Network, Inc. History New 10,484 109 0.0% 106 +10,484 New Q1 2026 Apr 14, 2026
Sage Capital Management, LLC History No change 10,500 108 0.05% 0.05% 107 0 0.0% Q1 2026 Apr 15, 2026
HORIZON KINETICS ASSET MANAGEMENT LLC History New 10,369 107 0.0% 110 +10,369 New Q1 2026 May 15, 2026
Van Hulzen Asset Management, LLC History No change 10,312 107 0.01% 0.01% 108 0 0.0% Q1 2026 May 14, 2026
Snowden Capital Advisors LLC History No change 10,291 107 0.0% 0.0% 109 0 0.0% Q1 2026 May 14, 2026
Garton & Associates Financial Advisors LLC History Added to 10,262 106 0.09% 0.05% 111 +1,400 15.8% Q1 2026 May 11, 2026
INDEPENDENT FINANCIAL GROUP, LLC History Added to 10,063 104 0.0% 0.0% 112 +63 0.63% Q1 2026 May 15, 2026
Ceeto Capital Group, LLC History No change 10,000 104 0.03% 0.03% 113 0 0.0% Q1 2026 May 14, 2026
Intellus Advisors LLC History No change 10,000 103 0.01% 0.01% 114 0 0.0% Q1 2026 May 07, 2026
BLUELINE ADVISORS LLC History Reduced 9,314 96 0.07% 0.09% 115 -1,964 -17.41% Q1 2026 Apr 07, 2026
MAI Capital Management History No change 8,940 92 0.0% 0.0% 116 0 0.0% Q1 2026 May 15, 2026
Allworth Financial LP History Added to 8,500 88 0.0% 0.0% 117 +2,500 41.67% Q1 2026 May 14, 2026
Advisory Services Network, LLC History New 7,443 77 0.0% 118 +7,443 New Q1 2026 May 15, 2026
Global Retirement Partners, LLC History No change 6,779 69 0.0% 0.0% 119 0 0.0% Q4 2025 Feb 06, 2026
N.E.W. Advisory Services LLC History No change 6,000 62 0.0% 0.0% 120 0 0.0% Q1 2026 May 04, 2026
Arax Advisory Partners History Reduced 3,926 40 0.0% 0.01% 121 -27,284 -87.42% Q1 2026 May 13, 2026
Farther Finance Advisors, LLC History Added to 3,728 38 0.0% 0.0% 122 +7 0.19% Q1 2026 Apr 07, 2026
Geneos Wealth Management Inc. History New 3,512 36 0.0% 123 +3,512 New Q1 2026 May 04, 2026
Arkos Global Advisors History Reduced 3,090 32 0.0% 0.02% 124 -13,200 -81.03% Q1 2026 May 13, 2026
US BANCORP \DE\ History No change 3,000 31 0.0% 0.0% 125 0 0.0% Q1 2026 May 14, 2026
HUNTINGTON NATIONAL BANK History New 2,266 23 0.0% 126 +2,266 New Q1 2026 May 15, 2026
PROSPERITY BANCSHARES INC History New 2,000 20 0.02% 128 +2,000 New Q1 2026 May 12, 2026
HIGHLINE WEALTH PARTNERS LLC History No change 2,000 20 0.01% 0.01% 127 0 0.0% Q1 2026 Apr 06, 2026
CWM, LLC History No change 1,924 19 0.0% 0.0% 129 0 0.0% Q1 2026 May 14, 2026
Penserra Capital Management LLC History New 1,398 14 0.0% 130 +1,398 New Q1 2026 May 11, 2026
IFP Advisors, Inc History Added to 1,262 13 0.0% 0.0% 131 +112 9.74% Q1 2026 Apr 13, 2026
PRIVATE TRUST CO NA History No change 1,200 12 0.0% 0.0% 132 0 0.0% Q1 2026 Apr 30, 2026
Sound Income Strategies, LLC History Added to 1,131 11 0.0% 0.0% 133 +21 1.89% Q1 2026 Apr 27, 2026
TRUST CO OF TOLEDO NA /OH/ History No change 1,000 10 0.0% 0.0% 134 0 0.0% Q1 2026 Apr 15, 2026
Manchester Capital Management LLC History No change 1,000 10 0.0% 0.0% 135 0 0.0% Q1 2026 May 11, 2026
Nova Wealth Management, Inc. History No change 925 9 0.01% 0.01% 136 0 0.0% Q1 2026 Apr 14, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History No change 679 7 0.0% 0.0% 137 0 0.0% Q1 2026 May 01, 2026
CoreFirst Bank & Trust History No change 403 4 0.0% 0.0% 138 0 0.0% Q4 2025 Feb 11, 2026
MARYLAND CAPITAL ADVISORS INC. History No change 427 4 0.0% 0.0% 139 0 0.0% Q4 2025 Jan 20, 2026
ASSETMARK, INC History No change 336 3 0.0% 0.0% 140 0 0.0% Q1 2026 May 06, 2026
J.W. COLE ADVISORS, INC. History Closed out 0 0 0.02% -80,007 -100.0% Q1 2026 Apr 23, 2026
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. History Closed out 0 0 0.04% -65,058 -100.0% Q1 2026 May 12, 2026
READYSTATE ASSET MANAGEMENT LP History Closed out 0 0 0.02% -58,460 -100.0% Q1 2026 May 15, 2026
StoneX Group Inc. History Closed out 0 0 0.02% -34,622 -100.0% Q1 2026 May 14, 2026
Marex Group plc History Closed out 0 0 0.0% -27,100 -100.0% Q1 2026 May 13, 2026
WOLVERINE ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -23,586 -100.0% Q1 2026 May 04, 2026
KG Capital Management History Closed out 0 0 0.04% -17,800 -100.0% Q1 2026 Apr 22, 2026
GRIMES & Co WEALTH MANAGEMENT, LLC History Closed out 0 0 0.0% -13,767 -100.0% Q1 2026 Apr 21, 2026
WEBSTER BANK, N. A. History Closed out 0 0 0.0% -1,500 -100.0% Q1 2026 Apr 17, 2026
Turning Point Benefit Group, Inc. History Closed out 0 0 0.01% -1,004 -100.0% Q1 2026 May 12, 2026
AMERICAN NATIONAL BANK & TRUST History Closed out 0 0 0.0% -281 -100.0% Q1 2026 Apr 23, 2026
Tower Research Capital LLC (TRC) History Added to 42 0 +33 366.67% Q1 2026 May 15, 2026